July 17, 2023 NHTSA CAMPAIGN NUMBER: 23V494000
Unintentional acceleration can increase the risk of a crash.
NHTSA Campaign Number: 23V494
Manufacturer Nissan North America, Inc.
Components VEHICLE SPEED CONTROL
Potential Number of Units Affected 66,159
Summary
Nissan North America, Inc. (Nissan) is recalling certain 2018-2023 LEAF vehicles. The vehicle may accelerate unintentionally if the driving mode is changed (“D” to “B”; e-Pedal “On”; or “ECO” mode) after disengaging the cruise control.
Remedy
Dealers will reprogram the vehicle control module (VCM), free of charge. Owner notification letters are expected to be mailed August 30, 2023. Owners may contact Nissan’s customer service at 1-800-867-7669. Nissan’s number for this recall is R23A6.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.
Check if your Nissan has a Recall
Vehicle Control Module (VCM) Reprogram
Voluntary Recall Campaign
Reference: R23A6
Date: July 18, 2023
Affected Models/Years: | Affected Population: | Dealer Inventory: | SERVICE COMM Activation date: | Stop Sale In Effect |
MY2018-2023 LEAF (ZE1) | 66,077 | 369 | July 18, 2023 |
YES |
***** Campaign Summary *****
Nissan is issuing a Voluntary Safety Recall Campaign to reprogram the Vehicle Control Module (VCM) on certain 2018-2023 LEAF vehicles identified in Service Comm and DBS National Service History.
On vehicles with affected VCM software, there is a risk of sustained motor torque if a driver takes both of the following actions within 8 seconds after deactivating cruise control, Intelligent Cruise Control or ProPILOT Assist functions: (a) switches driving mode (i.e. from ‘D’ to ‘B’ position, or ‘ECO’ mode, or e-Pedal ‘ON’); and (b) then applies and releases the accelerator pedal. If this condition occurs, in certain operating conditions the vehicle may continue acceleration unless the brake is applied or may not slow down as expected following release of the accelerator, which may increase the risk of a crash.
Dealers will reprogram the VCM with updated software to remedy this potential issue.
***** Release Schedule *****
Parts
The remedy involves reprogramming by CONSULT III+. No parts are required.
Special Tools
- CONSULT III+
Repair
Owner Notification
Nissan will notify the owners of potentially affected vehicles beginning August 30, 2023.
Frequently Asked Questions (FAQ):
Is this a recall?
Yes.
Is this a Stop Sale?
Yes.
What is the reason for the recall?
There is a risk of sustained motor torque if a driver takes both of the following actions within 8 seconds after deactivating cruise control, Intelligent Cruise Control or ProPILOT Assist functions: (a) switches driving mode (i.e. from ‘D’ to ‘B’ position, or ‘ECO’ mode, or e-Pedal ‘ON’); and (b) then applies and releases the accelerator pedal.
What is the possible effect of the condition?
If this occurs, in certain operating conditions the vehicle may continue acceleration unless the brake is applied or may not slow down as expected following release of the accelerator, which may increase the risk of a crash.
What will be the corrective action for this voluntary recall campaign?
Your Nissan dealer will reprogram the VCM with updated software to remedy this issue.
How long will the corrective action take?
This service, which is conducted at no charge to you for parts and labor, could take up to one (1) hour to complete. However, your Nissan dealer may require your vehicle for a longer period of time based upon their work schedule.
When will vehicle owners be notified?
Nissan will begin sending notifications to affected owners beginning August 30, 2023, via U.S. Mail.
Is my vehicle safe to drive?
If your vehicle is subject to this campaign, you will receive an Owner Notification letter from Nissan, which will instruct owners to bring their vehicles to a Nissan dealer to have their vehicles remedied as soon as possible.
Is there anything owners can do to mitigate this condition?
No.
Will a rental vehicle be provided while the dealer is servicing the vehicle?
Please consult your dealer for alternate transportation availability while your vehicle is being serviced. If parts replacement is necessary, rental is available upon customer request while parts are on order.
EXPENSE CODE | DESCRIPTION | AMOUNT |
502 | Rental Expense | $156 (Max) |
Contact the Warranty claims call center 1-800-258-7008 Option 7, if additional expense is required. Please refer to the Goodwill Rental Guidelines in the APRM for detailed information regarding application of rental reimbursement including policy modifications outlined in WBP20-018. |
Are parts readily available?
The remedy involves reprogramming the Vehicle Control Module (VCM) with updated software. No parts are required.
Is there any charge for this service?
No. The remedy will be performed for the customer free of charge.
Will I have to take my vehicle back to the selling dealer to have the service performed?
No, any authorized Nissan dealer is able to perform the recall campaign.
I have lost confidence in the vehicle. Will Nissan replace or repurchase the vehicle?
The remedy will fully correct this condition. As the condition will be corrected, there is no basis for repurchasing or replacing your vehicle.
What model year vehicles are involved?
Model year 2018-2023 Nissan LEAF vehicles manufactured from September 29, 2017 to April 6, 2023.
Are you experiencing this condition on any other Nissan (or INFINITI) models?
No.
Description of the Defect:
On LEAF vehicles with affected VCM software, there is a risk of sustained engine torque if a driver takes both of the following actions within 8 seconds after deactivating cruise control, Intelligent Cruise Control or ProPILOT Assist functions: (a) switches driving mode (i.e. from ‘D’ to ‘B’ position, or ‘ECO’ mode, ore-Pedal ‘ON’); and (b) then applies and releases the accelerator pedal. If this condition occurs, in certain operating conditions the vehicle may continue accelerating unless the brake is applied or may not slow down as expected following release of the accelerator pedal; which may increase the risk of a crash.
Chronology of Principal Events:
In December 2021, internal testing on a trial vehicle observed a motor torque deceleration delay following deactivation of Intelligent Cruise Control. Nissan investigated but was unable to recreate the condition.
In early 2022, Nissan conducted computer simulations in an effort to replicate the reported condition by analyzing data from the incident test vehicle. After repeated testing of multiple parameters, Nissan identified a specific sequence of actions that it believed could potentially lead to the reported phenomenon. However, Nissan had been unable to recreate the condition on an actual vehicle.
Spring 2022 through Summer 2022 – Nissan continued to attempt to replicatethe phenomenon under real-world conditions. After extensive on-track testing, Nissan had limited success in reproducing the incident condition.
Late 2022 through Spring 2023 – After extensive computer simulation and on-track testing, Nissan identified the following sequence of actions are required to be completed in under eight (8) seconds for the phenomenon to occur:
1. Cruise Control, Intelligent Cruise Control or ProPILOT Assist is disengaged; and
2. Immediately:
a. Shift drive modes from ‘D’ to ‘B’ or ‘ECO’ ore-Pedal ‘ON’; and
b. Press accelerator pedal and then release
For Reference, the B mode engages the regenerative braking system more aggressively on downhill slopes, and helps reduce brake use. The mode is selected by manually shifting from ‘D’ to ‘B’ using the shift lever.
July 11, 2023 – Nissan assessed that the risk of the issue occurring under real-world conditions is very low. This issue has not occurred outside of controlled track or simulated test environments. However, out of an abundance of caution, Nissan decided to conduct a recall campaign to reprogram the VCM.
Nissan is not aware of any warranty claims, accidents, or injuries attributed to this condition.
Description of Corrective Action:
Dealers will be notified beginning July 18, 2023. Owners of all potentially affected vehicles will be notified beginning August 30, 2023. Dealers will be instructed to reprogram the vehicle control module. All repairs will be performed free of charge for parts and labor and may take up to thirty minutes to complete.
Nissan will include a statement in the Part 577 owner notification concerning reimbursement for the cost of obtaining a pre-notification remedy since the subject vehicles are no longer under warranty.
Chronology :
In December 2021, internal testing on a trial vehicle observed a motor torque deceleration delay following deactivation of Intelligent Cruise Control. Nissan investigated but was unable to recreate the condition.
In early 2022, Nissan conducted computer simulations in an effort to replicate the reported condition by analyzing data from the incident test vehicle. After repeated testing of multiple parameters, Nissan identified a specific sequence of actions that it believed could potentially lead to the reported phenomenon. However, Nissan had been unable to recreate the condition on an actual vehicle.
Spring 2022 through Summer 2022 – Nissan continued to attempt to replicate the phenomenon under real-world conditions. After extensive on-track testing, Nissan had limited success in reproducing the incident condition.
Late 2022 through Spring 2023 – After extensive computer simulation and on-track testing, Nissan identified the following sequence of actions are required to be completed in under eight (8) seconds for the phenomenon to occur:
1. Cruise Control, Intelligent Cruise Control or ProPILOT Assist is disengaged; and
2. Immediately:
a. Shift drive modes from ‘D’ to ‘B’ or ‘ECO’ or e-Pedal ‘ON’; and
b. Press accelerator pedal and then release
For Reference, the B mode engages the regenerative braking system more aggressively on downhill slopes, and helps reduce brake use. The mode is selected by manually shifting from ‘D’ to ‘B’ using the shift lever.
July 11, 2023 – Nissan assessed that the risk of the issue occurring under real-world conditions is very low. This issue has not occurred outside of controlled track or simulated test environments. However, out of an abundance of caution, Nissan decided to conduct a recall campaign to reprogram the VCM.
Nissan is not aware of any warranty claims, accidents, or injuries attributed to this condition.
NTB23-057 – 2018-2023 Nissan LEAF; VCM Reprogram
NTB23-057 – 2018-2023 Nissan LEAF; VCM Reprogram
6 Affected Products
Vehicle
MAKE | MODEL | YEAR |
NISSAN | LEAF | 2018-2023 |
5 Associated Documents
Recall Acknowledgement
RCAK-23V494-1728.pdf 707.687KB
RCAK-23V494-1728
Defect Notice 573 Report
RCLRPT-23V494-5340.PDF 219.889KB
RCLRPT-23V494-5340
Remedy Instructions and TSB
RCRIT-23V494-7385.pdf 7448.119KB
RCRIT-23V494-7385
Nissan – Defect Investigation Report – July 2023
RMISC-23V494-4650.pdf 942.167KB
RMISC-23V494-4650
Nissan – Leaf Vehicle Control Module Reprogram – July 2023
RCMN-23V494-8420.pdf 129.868KB
Latest Recalls Documents
https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=23V494&docType=RCL
J2534-1 Re/Programming
Tutorial for Purchasing NERS Software
Software updated April 26, 2019 to version # 04.03.00. It is recommended the latest version of NERS be installed before connecting to a vehicle.
This NERS software supports reprogrammable Engine and Transmission control units from 1999 to 2019 model year vehicles, and 2005 MY and later VIN writing into ECUs, when using a Nissan validated pass-through device. Click the Reprogramming Tab for additional information on reprogramming. This software only provides ECU reprogramming, blank programming and VIN writing capability. It does not provide diagnostic or key programming capability. For Engine and Transmission control unit reprogramming and VIN writing capability on 2020 MY & newer, please use CONSULT-III plus or CONSULT-III plus R2R software.
Vehicle reprogramming requires the use of the following:
- Nissan validated J2534-1 device
- Nissan ECU Reprogramming Software (NERS)
- Personal computer running Windows XP (SP2 or later) or Windows 7 or 10 64Bit
- Applicable reprogram file
Nissan tested and validated the below listed devices. Nissan does not recommend the use of any other J2534-1 device not listed here.
Manufacturer | Models |
Actia | PassThru +XS |
Autel | MaxiFlash Elite (with firmware v3.01) |
Bosch | Mastertech VCI (SFP v5.11.9) |
Dearborn Group | VSI-2534 |
Drew Technologies/OPUS IVS | CarDAQ Plus, CarDAQ M, Mongoose ISO/CAN |
Hella Gutmann Solutions | Mega Macs 42 SE (DT VCI), Mega Macs 66 (DT66) |
Texa | TEXA Navigator TXTs Series |
Click the below link to purchase NERS diagnostic software.
Download Purchased ECU Data File(s)
Once you have purchased ECU data file(s) and your order is completed, your ECU files can be downloaded. Please verify that you are logged in to your account before proceeding.
Purchase of ECU data enables file download access for a period of 24 hours, after which time the file will no longer appear in your list of purchased data files. Be sure to download all data files immediately following your purchase.
When you purchase a J-2534 reprogramming file, you will get a zip file containing a data file (.dat, .pdx, .xcal, .7z), a .csv or .xml file and a Reprog_readme.pdf. Please review the readme file for information on where to place the files in your PC.
Please Note that J2534-1 supports reprogramming on 1999 MY and later vehicles.
How to find the proper J-2534 Reprogramming ECU file:
In order for you to locate the proper ECU file, you will need to look up the applicable Technical Services Bulletin(TSB) for your vehicle. Instructions in the TSB will pinpoint and advise you of the ECU part # to enter below.
Download Purchased ECU Data File(s)
Once you have purchased ECU data file(s) and your order is completed, your ECU files can be downloaded. Please verify that you are logged in to your account before proceeding.
Purchase of ECU data enables file download access for a period of 24 hours, after which time the file will not longer appear in your list of purchased data files. Be sure to download all data files immediately following your purchase.
Special Note: Nissan and Infiniti vehicle uses a high level of security when Re/programming or Configuration is performed to the vehicle ECUs. With the release of NERS software version 04.00.01 or greater, technicians will be required to login with their Nissan or Infiniti Techinfo website user ID and password to perform Re/programming and Configuration in NERS.
Login Instruction Guide
September 2013, Nissan and Infiniti began the phase in of “Blank” Service Parts ECUs and TCMs. Depending upon the model and model year, replacement modules come WITHOUT software. When a replacement module is installed in an applicable vehicle for any reason, it will need to be programmed.
When you purchase a J-2534 Blank programming file, you will get a zip file containing a data file (.dat, .pdx, .xcal, .7z), a .csv or .xml file and a Reprog_readme.pdf. Please review the readme file for information on where to place the files in your PC.
How to find the proper J-2534 Blank Programming ECU file:
- Obtain the blank ECU part number when you purchase the replacement ECU. Nissan’s and Infiniti’s parts catalog provides both the blank ECU part number and the ROM-DATA ID part number (after programming part number) to be used. Enter this blank ECU part number in the field below.
or
- Using C-III plus software, retrieve the blank ECU part number from the new ECU. Enter this blank ECU part number in the field below.
Please note: Take care after making your selection that the listed vehicle information matches the vehicle you are programming.
- Special Note: NERS Version 03.08 or higher supports Blank RWD, 5 speed TCM programming.
Download Purchased ECU Data File(s)
Once you have purchased ECU data file(s) and your order is completed, your ECU files can be downloaded. Please verify that you are logged in to your account before proceeding.
Purchase of ECU data enables file download access for a period of 24 hours, after which time the file will not longer appear in your list of purchased data files. Be sure to download all data files immediately following your purchase.
Special Note: Nissan and Infiniti vehicle uses a high level of security when Re/programming or Configuration is performed to the vehicle ECUs. With the release of NERS software version 04.00.01 or greater, technicians will be required to login with their Nissan or Infiniti Techinfo website user ID and password to perform Re/programming and Configuration in NERS.
Login Instruction Guide
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Last update on 2023-09-25 / Affiliate links / Images from Amazon Product Advertising API
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OMB Control No.: 2127-0004 Part 573 Safety Recall Report 23V-494 The information contained in this report was submitted pursuant to 49 CFR §573 Manufacturer Name : Nissan North America, Inc. Submission Date : JUL 17, 2023 NHTSA Recall No. : 23V-494 Manufacturer Recall No. : R23A6 Manufacturer Information : Manufacturer Name : Nissan North America, Inc. Address : P. O. BOX 685001 Franklin TN 37068-5009 Company phone : 800-647-7261 Population : Number of potentially involved : 66,159 Estimated percentage with defect : 100 % Vehicle Information : Vehicle 1 : 2018-2023 Nissan LEAF Vehicle Type : LIGHT VEHICLES Body Style : HATCHBACK Power Train : HYBRID ELECTRIC Descriptive Information : Based on NNA-Smyrna production records, the subject programming logic for the Vehicle Control Module (VCM) was used in vehicle production for MY 2018 – 2023 LEAF vehicles, manufactured during the specified time period outlined above. No other Nissan or INFINITI vehicles in the US market are affected. Nissan is recalling other models outside of the U.S. for a similar issue. However, these are e-POWER equipped models that are not substantially similar to vehicles offered in the U.S. Nissan does not offer e-POWER vehicles in the U.S. market. Production Dates : SEP 29, 2017 – MAR 15, 2023 VIN Range 1 : Begin : NR End : NR Not sequential Description of Defect : Description of the Defect : On LEAF vehicles with affected VCM software, there is a risk of sustained engine torque if a driver takes both of the following actions within 8 seconds after deactivating cruise control, Intelligent Cruise Control or ProPILOT Assist functions: (a) switches driving mode (i.e. from ‘D’ to ‘B’ position, or ‘ECO’ mode, or e-Pedal ‘ON’); and (b) then applies and releases the accelerator pedal. FMVSS 1 : NR FMVSS 2 : NR Description of the Safety Risk : If this condition occurs, in certain operating conditions the vehicle may continue accelerating unless the brake is applied or may not slow down as expected following release of the accelerator pedal; which may increase the risk of a crash. Part 573 Safety Recall Report 23V-494 Page 2 The information contained in this report was submitted pursuant to 49 CFR §573 Description of the Cause : NR Identification of Any Warning that can Occur : There is no preceding warning to the customer. Involved Components : Component Name 1 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2018 Component Part Number : 237D0-5SA2A Component Name 2 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2018 Component Part Number : 237D0-5SA2B Component Name 3 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2018 Component Part Number : 237D0-5SA3A Component Name 4 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2018 Component Part Number : 237D0-5SA3B Component Name 5 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2018 Component Part Number : 237D0-5SA4A Component Name 6 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2018 Component Part Number : 237D0-5SA4B Part 573 Safety Recall Report 23V-494 Page 3 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 7 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2018 Component Part Number : 237D0-5SA5A Component Name 8 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2018 Component Part Number : 237D0-5SA5B Component Name 9 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2019 – MY2023 Component Part Number : 237D0-5SG4A Component Name 10 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2019 – MY2023 Component Part Number : 237D0-5SG4B Component Name 11 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2019 – MY2023 Component Part Number : 237D0-5SG4C Component Name 12 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2019 – MY2023 Component Part Number : 237D0-5SG4D Component Name 13 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2019 – MY2023 Component Part Number : 237D0-5SG5A Part 573 Safety Recall Report 23V-494 Page 4 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 14 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2019 – MY2023 Component Part Number : 237D0-5SG5B Component Name 15 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2019 – MY2023 Component Part Number : 237D0-5SG5C Component Name 16 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2019 – MY2023 Component Part Number : 237D0-5SG5D Component Name 17 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2019 – MY2023 Component Part Number : 237D0-5SG6A Component Name 18 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2019 – MY2023 Component Part Number : 237D0-5SG6B Component Name 19 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2019 – MY2023 Component Part Number : 237D0-5SG6C Component Name 20 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2019 – MY2023 Component Part Number : 237D0-5SG6D Part 573 Safety Recall Report 23V-494 Page 5 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 21 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2019 – MY2023 Component Part Number : 237D0-5SG0A Component Name 22 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2019 – MY2023 Component Part Number : 237D0-5SG0B Component Name 23 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2019 – MY2023 Component Part Number : 237D0-5SG0C Component Name 24 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2019 – MY2023 Component Part Number : 237D0-5SG0D Component Name 25 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2019 – MY2023 Component Part Number : 237D0-5SG1A Component Name 26 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2019 – MY2023 Component Part Number : 237D0-5SG1B Component Name 27 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2019 – MY2023 Component Part Number : 237D0-5SG1C Part 573 Safety Recall Report 23V-494 Page 6 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 28 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2019 – MY2023 Component Part Number : 237D0-5SG1D Component Name 29 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2019 – MY2023 Component Part Number : 237D0-5SG2A Component Name 30 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2019 – MY2023 Component Part Number : 237D0-5SG2B Component Name 31 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2019 – MY2023 Component Part Number : 237D0-5SG2C Component Name 32 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2019 – MY2023 Component Part Number : 237D0-5SG2D Component Name 33 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2019 – MY2023 Component Part Number : 237D0-5SG3A Component Name 34 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2019 – MY2023 Component Part Number : 237D0-5SG3B Part 573 Safety Recall Report 23V-494 Page 7 The information contained in this report was submitted pursuant to 49 CFR §573 Component Name 35 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2019 – MY2023 Component Part Number : 237D0-5SG3C Component Name 36 : CONTROL MODULE – PWR TR Component Description : VCM ROM Data MY 2019 – MY2023 Component Part Number : 237D0-5SG3D Supplier Identification : Component Manufacturer Name : NR Address : NR NR Country : NR Chronology : In December 2021, internal testing on a trial vehicle observed a motor torque deceleration delay following deactivation of Intelligent Cruise Control. Nissan investigated but was unable to recreate the condition. In early 2022, Nissan conducted computer simulations in an effort to replicate the reported condition by analyzing data from the incident test vehicle. After repeated testing of multiple parameters, Nissan identified a specific sequence of actions that it believed could potentially lead to the reported phenomenon. However, Nissan had been unable to recreate the condition on an actual vehicle. Spring 2022 through Summer 2022 – Nissan continued to attempt to replicate the phenomenon under realworld conditions. After extensive on-track testing, Nissan had limited success in reproducing the incident condition. Late 2022 through Spring 2023 – After extensive computer simulation and on-track testing, Nissan identified the following sequence of actions are required to be completed in under eight (8) seconds for the phenomenon to occur: 1. Cruise Control, Intelligent Cruise Control or ProPILOT Assist is disengaged; and 2. Immediately: a. Shift drive modes from ‘D’ to ‘B’ or ‘ECO’ or e-Pedal ‘ON’; and b. Press accelerator pedal and then release Part 573 Safety Recall Report 23V-494 Page 8 The information contained in this report was submitted pursuant to 49 CFR §573 For Reference, the B mode engages the regenerative braking system more aggressively on downhill slopes, and helps reduce brake use. The mode is selected by manually shifting from ‘D’ to ‘B’ using the shift lever. July 11, 2023 – Nissan assessed that the risk of the issue occurring under real-world conditions is very low. This issue has not occurred outside of controlled track or simulated test environments. However, out of an abundance of caution, Nissan decided to conduct a recall campaign to reprogram the VCM. Nissan is not aware of any warranty claims, accidents, or injuries attributed to this condition. Description of Remedy : Description of Remedy Program : Dealers will be instructed to reprogram the vehicle control module. All repairs will be performed free of charge for parts and labor and may take up to thirty minutes to complete. Nissan will include a statement in the Part 577 owner notification concerning reimbursement for the cost of obtaining a pre-notification remedy since the subject vehicles are no longer under warranty. How Remedy Component Differs from Recalled Component : NR Identify How/When Recall Condition was Corrected in Production : NR Recall Schedule : Description of Recall Schedule : Dealers will be notified beginning July 18, 2023. Owners of all potentially affected vehicles will be notified beginning August 30, 2023. Planned Dealer Notification Date : JUL 18, 2023 – NR Planned Owner Notification Date : AUG 30, 2023 – NR * NR – Not Reported
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.r’\__ NISSAN “-…/ July 77, 2023 Dr. Cem Hatipoglu Acting Associate Administrator for Enforcement National Highway Traffic Safety Administration Attn: Recall Management Division (NVS-275) Room W48-302 7200 New Jersey Avenue, SE Washington, D.C. 20590 Dear Dr. Hatipoglu: Nissan North America, Inc. One Nissan Way Franklin, TN 37067 Mailing Address: PO Box 685001 Franklin, TN 37068 We are transmitting the enclosed Defect Information Report in accordance with 49 CFR Part 573. A voluntary recall campaign will be initiated and your office provided with the notices. Very truly, Will Swindell Manager, Technical Compliance Encl. DEFECT INFORMATION REPORT 1. Manufacturer: Nissan North America, Inc., Smyrna Plant 2. Vehicles Potentially Involved: Model Year 2018 – 2023 Nissan LEAF vehicles as shown in the table below: Model Dates of Manufacture Plant MY 2018 – 2023 Nissan LEAF September 29, 2017 to March 15, 2023 Smyrna Based on NNA-Smyrna production records, the subject programming logic for the Vehicle Control Module (VCM) was used in vehicle production for MY 2018 – 2023 LEAF vehicles, manufactured during the specified time period outlined above. No other Nissan or INFINITI vehicles in the US market are affected. Nissan is recalling other models outside of the U.S. for a similar issue. However, these are e-POWER equipped models that are not substantially similar to vehicles offered in the U.S. Nissan does not offer e-POWER vehicles in the U.S. market. The name, description and part number of the subject VCM software versions are below: Part Name Part Descri~tion Part Number CONTROL MODULE – PWR TR VCM ROM Data MY 2018 237D0-5SA2A CONTROL MODULE – PWR TR VCM ROM Data MY 2018 237D0-5SA2B CONTROL MODULE – PWR TR VCM ROM Data MY 2018 237D0-5SA3A CONTROL MODULE – PWR TR VCM ROM Data MY 2018 237D0-5SA3B CONTROL MODULE – PWR TR VCM ROM Data MY 2018 237D0-5SA4A CONTROL MODULE – PWR TR VCM ROM Data MY 2018 237D0-5SA4B CONTROL MODULE – PWR TR VCM ROM Data MY 2018 237D0-5SA5A CONTROL MODULE – PWR TR VCM ROM Data MY 2018 237D0-5SA5B CONTROL MODULE – PWR TR VCM ROM Data MY 2019 – MY2023 237D0-5SG4A CONTROL MODULE – PWR TR VCM ROM Data MY 2019 – MY2023 237D0-5SG4B CONTROL MODULE – PWR TR VCM ROM Data MY 2019 – MY2023 237D0-5SG4C CONTROL MODULE – PWR TR VCM ROM Data MY 2019 – MY2023 237D0-5SG4D CONTROL MODULE – PWR TR VCM ROM Data MY 2019 – MY2023 237D0-5SG5A CONTROL MODULE – PWR TR VCM ROM Data MY 2019 – MY2023 237D0-5SG5B CONTROL MODULE – PWR TR VCM ROM Data MY 2019 – MY2023 237D0-5SG5C CONTROL MODULE – PWR TR VCM ROM Data MY 2019 – MY2023 237D0-5SG5D CONTROL MODULE – PWR TR VCM ROM Data MY 2019 – MY2023 237D0-5SG6A CONTROL MODULE – PWR TR VCM ROM Data MY 2019 – MY2023 237D0-5SG6B CONTROL MODULE – PWR TR VCM ROM Data MY 2019 – MY2023 237D0-5SG6C CONTROL MODULE – PWR TR VCM ROM Data MY 2019 – MY2023 237D0-55G6D CONTROL MODULE – PWR TR VCM ROM Data MY 2019 – MY2023 237D0-55G0A CONTROL MODULE – PWR TR VCM ROM Data MY 2019 – MY2023 237D0-55G0B CONTROL MODULE – PWR TR VCM ROM Data MY 2019 – MY2023 237D0-55G0C CONTROL MODULE – PWR TR VCM ROM Data MY 2019 – MY2023 237D0-55G0D CONTROL MODULE – PWR TR VCM ROM Data MY 2019 – MY2023 237D0-55G1A CONTROL MODULE – PWR TR VCM ROM Data MY 2019 – MY2023 237D0-55G1 B CONTROL MODULE – PWR TR VCM ROM Data MY 2019 – MY2023 237D0-55G1C CONTROL MODULE – PWR TR VCM ROM Data MY 2019 – MY2023 237D0-55G1 D CONTROL MODULE – PWR TR VCM ROM Data MY 2019 – MY2023 237D0-55G2A CONTROL MODULE – PWR TR VCM ROM Data MY 2019 – MY2023 237D0-55G2B CONTROL MODULE – PWR TR VCM ROM Data MY 2019 – MY2023 237D0-55G2C CONTROL MODULE – PWR TR VCM ROM Data MY 2019 – MY2023 237D0-55G2D CONTROL MODULE – PWR TR VCM ROM Data MY 2019 – MY2023 237D0-55G3A CONTROL MODULE – PWR TR VCM ROM Data MY 2019 – MY2023 237D0-55G3B CONTROL MODULE – PWR TR VCM ROM Data MY 2019 – MY2023 237D0-55G3C CONTROL MODULE – PWR TR VCM ROM Data MY 2019 – MY2023 237D0-55G3D 3. Total Number of Vehicles Potentially Involved: Approximately 66,159 MY 2018 – 2023 Nissan LEAF vehicles total. Model Volume of Production MY 2018 Nissan LEAF 13,361 MY 2019 Nissan LEAF 16,053 MY 2020 Nissan LEAF 10,029 MY 2021 Nissan LEAF 6,611 MY 2022 Nissan LEAF 12,533 MY 2023 Nissan LEAF 7,572 4. Percentage of Vehicles Estimated to Actually Contain the Defect: Approximately 100%. 5. Description of the Defect: On LEAF vehicles with affected VCM software, there is a risk of sustained engine torque if a driver takes both of the following actions within 8 seconds after deactivating cruise control, Intelligent Cruise Control or ProPILOT Assist functions: (a) switches driving mode (i.e. from ‘D’ to ‘B’ position, or ‘ECO’ mode, ore-Pedal ‘ON’); and (b) then applies and releases the accelerator pedal. If this condition occurs, in certain operating conditions the vehicle may continue accelerating unless the brake is applied or may not slow down as expected following release of the accelerator pedal; which may increase the risk of a crash. 6. Chronology of Principal Events: In December 2021, internal testing on a trial vehicle observed a motor torque deceleration delay following deactivation of Intelligent Cruise Control. Nissan investigated but was unable to recreate the condition. In early 2022, Nissan conducted computer simulations in an effort to replicate the reported condition by analyzing data from the incident test vehicle. After repeated testing of multiple parameters, Nissan identified a specific sequence of actions that it believed could potentially lead to the reported phenomenon. However, Nissan had been unable to recreate the condition on an actual vehicle. Spring 2022 through Summer 2022 – Nissan continued to attempt to replicate the phenomenon under real-world conditions. After extensive on-track testing, Nissan had limited success in reproducing the incident condition. Late 2022 through Spring 2023 – After extensive computer simulation and ontrack testing, Nissan identified the following sequence of actions are required to be completed in under eight (8) seconds for the phenomenon to occur: 1. Cruise Control, Intelligent Cruise Control or ProPILOT Assist is disengaged; and 2. Immediately: a. Shift drive modes from ‘D’ to ‘B’ or ‘ECO’ ore-Pedal ‘ON’; and b. Press accelerator pedal and then release For Reference, the B mode engages the regenerative braking system more aggressively on downhill slopes, and helps reduce brake use. The mode is selected by manually shifting from ‘D’ to ‘B’ using the shift lever. July 11, 2023 – Nissan assessed that the risk of the issue occurring under realworld conditions is very low. This issue has not occurred outside of controlled track or simulated test environments. However, out of an abundance of caution, Nissan decided to conduct a recall campaign to reprogram the VCM. Nissan is not aware of any warranty claims, accidents, or injuries attributed to this condition. 7. Description of Corrective Action: Dealers will be notified beginning July 18, 2023. Owners of all potentially affected vehicles will be notified beginning August 30, 2023. Dealers will be instructed to reprogram the vehicle control module. All repairs will be performed free of charge for parts and labor and may take up to thirty minutes to complete. Nissan will include a statement in the Part 577 owner notification concerning reimbursement for the cost of obtaining a pre-notification remedy since the subject vehicles are no longer under warranty. 8. Copy of Notices: Copies of all notices will be provided to NHTSA as they become available.
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CAMPAIGN BULLETIN Vehicle Control Module (VCM) Reprogram Voluntary Recall Campaign Reference: R23A6 Date: July 18, 2023 Attention: Dealer Principal, Sales, Service & Parts Managers SAFETY RECALL CAMPAIGN ID: R23A6 | Original Document IMPORTANT: It is a violation of Federal law for dealers to sell or deliver vehicles in their inventory covered by this notification until the campaign action is performed. ***** Campaign Summary ***** Nissan is issuing a Voluntary Safety Recall Campaign to reprogram the Vehicle Control Module (VCM) on certain 2018-2023 LEAF vehicles identified in Service Comm and DBS National Service History. On vehicles with affected VCM software, there is a risk of sustained motor torque if a driver takes both of the following actions within 8 seconds after deactivating cruise control, Intelligent Cruise Control or ProPILOT Assist functions: (a) switches driving mode (i.e. from ‘D’ to ‘B’ position, or ‘ECO’ mode, or e-Pedal ‘ON’); and (b) then applies and releases the accelerator pedal. If this condition occurs, in certain operating conditions the vehicle may continue acceleration unless the brake is applied or may not slow down as expected following release of the accelerator, which may increase the risk of a crash. Dealers will reprogram the VCM with updated software to remedy this potential issue. ***** What Dealers Should Do**** 1. Verify if vehicles are affected by this Voluntary Recall using Service Comm or DBS National Service history – Open Campaign I.D. R23A6 2. Dealers must not sell, lease, trade, rent or loan any vehicles in dealer inventory subject to this recall campaign until after the vehicle has been remedied. 3. If a retailed vehicle affected by one of these Campaign ID’s visits the dealer for service, the dealer should inform the customer about the recall and communicate that the software update is available. 4. Once repaired, dealers should submit the claim using the claims coding provided, and release the vehicle. Affected Models/Years: Affected Population: Dealer Inventory: SERVICE COMM Activation date: Stop Sale In Effect MY2018-2023 LEAF (ZE1) 66,077 369 July 18, 2023 YES CAMPAIGN ID: R23A6 | Original Document ***** Release Schedule ***** Parts The remedy involves reprogramming by CONSULT III+. No parts are required. Special Tools • CONSULT III+ Repair • NTB23-057 Owner Notification Nissan will notify the owners of potentially affected vehicles beginning August 30, 2023. ***** Dealer Responsibility ***** It is the dealer’s responsibility to check Service Comm or DBS National Service History using the appropriate Campaign I.D. for the campaign status on each vehicle falling within the range of this voluntary recall campaign, which for any reason enters the service department. This includes vehicles purchased from private parties or presented by transient (tourist) owners and vehicles in new vehicle inventory. If a VIN subject to this recall campaign was part of a dealer trade, the letter associated with that VIN should be forwarded to the appropriate dealer for service completion. NISSAN NORTH AMERICA, INC. Total Customer Satisfaction Frequently Asked Questions (FAQ): Q. Is this a recall? A. Yes. Q. Is this a Stop Sale? A. Yes. Q. What is the reason for the recall? A. There is a risk of sustained motor torque if a driver takes both of the following actions within 8 seconds after deactivating cruise control, Intelligent Cruise Control or ProPILOT Assist functions: (a) switches driving mode (i.e. from ‘D’ to ‘B’ position, or ‘ECO’ mode, or e-Pedal ‘ON’); and (b) then applies and releases the accelerator pedal. CAMPAIGN ID: R23A6 | Original Document Q. What is the possible effect of the condition? A. If this occurs, in certain operating conditions the vehicle may continue acceleration unless the brake is applied or may not slow down as expected following release of the accelerator, which may increase the risk of a crash. Q. What will be the corrective action for this voluntary recall campaign? A. Your Nissan dealer will reprogram the VCM with updated software to remedy this issue. Q. How long will the corrective action take? A. This service, which is conducted at no charge to you for parts and labor, could take up to one (1) hour to complete. However, your Nissan dealer may require your vehicle for a longer period of time based upon their work schedule. Q. When will vehicle owners be notified? A. Nissan will begin sending notifications to affected owners beginning August 30, 2023, via U.S. Mail. Q. Is my vehicle safe to drive? A. If your vehicle is subject to this campaign, you will receive an Owner Notification letter from Nissan, which will instruct owners to bring their vehicles to a Nissan dealer to have their vehicles remedied as soon as possible. Q. Is there anything owners can do to mitigate this condition? A. No. Q. Will a rental vehicle be provided while the dealer is servicing the vehicle? A. Please consult your dealer for alternate transportation availability while your vehicle is being serviced. If parts replacement is necessary, rental is available upon customer request while parts are on order. EXPENSE CODE DESCRIPTION AMOUNT 502 Rental Expense $156 (Max) CAMPAIGN ID: R23A6 | Original Document Contact the Warranty claims call center 1-800-258-7008 Option 7, if additional expense is required. Please refer to the Goodwill Rental Guidelines in the APRM for detailed information regarding application of rental reimbursement including policy modifications outlined in WBP20-018. Q. Are parts readily available? A. The remedy involves reprogramming the Vehicle Control Module (VCM) with updated software. No parts are required. Q. Is there any charge for this service? A. No. The remedy will be performed for the customer free of charge. Q. Will I have to take my vehicle back to the selling dealer to have the service performed? A. No, any authorized Nissan dealer is able to perform the recall campaign. Q. I have lost confidence in the vehicle. Will Nissan replace or repurchase the vehicle? A. The remedy will fully correct this condition. As the condition will be corrected, there is no basis for repurchasing or replacing your vehicle. Q. What model year vehicles are involved? A. Model year 2018-2023 Nissan LEAF vehicles manufactured from September 29, 2017 to April 6, 2023. Q. Are you experiencing this condition on any other Nissan (or INFINITI) models? A. No. Revision History: Date Announcement Purpose July 18, 2023 Voluntary Safety Recall Campaign New Campaign Announcement
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