Defect summary
REAR WHEEL ANTILOCK BRAKE (RWAL) FEATURE COULD BECOME DISABLED BY AN ELECTRICAL MALFUNCTION.
Consequence
BRAKE WARNING INDICATOR LAMP ON INSTRUMENT PANEL WILLNOT LIGHT TO INFORM THE DRIVER OF RWAL DISABLEMENT AND THUS NOT COMPLY WITHFMVSS 105.
Remedy
INSTALL A JUMPER WIRE HARNESS BETWEEN THE TRANSMISSION CONNECTION AND ENGINE WIRE HARNESS.
Notes
SYSTEM: BRAKE WARNING LAMP/FMVSS 105.VEHICLE DESCRIPTION: LIGHT DUTY TRUCKS EQUIPPED WITH 6.2L DIESEL ENGINES ANDTHM 770 R4 AUTOMATIC TRANSMISSION.
Source: NHTSA ODI recalls file, campaign 88V081000. Text as published by NHTSA.