Brake Warning, Slip Indicator, & VDC "OFF" Lights Are On

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Classification:	Reference:	Date:
BR07-004	ITB07-027	August 1, 2007

M / G35 SEDAN / QX56; BRAKE WARNING, SLIP INDICATOR, & VDC “OFF” LIGHTS ARE ON

APPLIED VEHICLES:

2006-2007 M35/45 (Y50) with Intelligent Cruise Control (ICC) Only
2004-2007 QX56 (JA60) with Intelligent Cruise Control (ICC) Only
2007 G35 Sedan (V36) with Intelligent Cruise Control (ICC) Only

IF YOU CONFIRM:

The Brake Warning Light, Slip Indicator Light, and Vehicle Dynamic Control (VDC) “OFF” Light are all ON.

ACTION:

If you have a BR FLUID LEVEL LOW [C1155] DTC stored:

Check the brake linings for wear. This code is typically stored because of low brake fluid level caused by worn brake linings. With brake application and vehicle movement code C1155 may be detected as fluid level nears the low level line in the brake fluid reservoir.

If the brake linings are worn, this condition may be a normal Maintenance Service Expense and not covered under the New Vehicle Limited Warranty (including checking and erasing the DTC).
If the brake linings are not worn, proceed with diagnosis using standard Warranty Repair Practices.

If you have a PRESS SEN CIRCUIT [C1142] DTC stored:

Check the adjustment of the Brake Pedal Lamp Switch. Proceed with diagnosis using standard Warranty Repair Practices.

IMPORTANT NOTES:

If you also have ACC CONT [C1185], ECD MODE MALF [C1A26] or VDC CONTROL UNIT, and ABS/TCS/VDC CIRC [C1A04] codes all stored in combination, they may have been stored as a result of the C1155/C1142 code storing and require no diagnosis or repair.

The BR FLUID LEVEL LOW [C1155] or PRESS SEN CIRCUIT [C1142] codes may be causing the other three DTCs to store without any actual incidents in the other three circuits.