C 1500 Truck 2WD V6-4.3L VIN X (2003)
Traction Control Indicator Lamp: Testing and Inspection
Traction Off Indicator Always on
Antilock Brake System
Diagnostic Information and Procedures
Traction Off Indicator Always On
Circuit Description
The instrument panel cluster (IPC) illuminates the traction off indicator by supplying ground to the lamp. The electronic brake control module
(EBCM) sends serial data messages to the IPC to command the indicator ON or OFF.
Diagnostic Aids
The malfunction must be present during diagnosis in order to prevent unnecessary parts replacement. Always begin diagnosis with Diagnostic System
Check - ABS.
Test Description
The number below refers to the step number on the diagnostic table.
3. This step tests if the IPC is able to turn OFF the traction off indicator.
Traction Off Indicator Always On Steps 1 - 5
