Traction Control Indicator Always On/Inoperative

If Anti-Lock Brake System (ABS) diagnostic system check has been performed, go to next step. If ABS diagnostic system check has not been performed, go to appropriate ABS diagnostic system check in appropriate ANTI-LOCK article in BRAKES.
Inspect ground connection G110 for Electronic Brake Control Module (EBCM) and ensure ground is clean and tight. G110 is located in left front of engine compartment, on left side of radiator support. If connection is okay, go to next step. If faulty connection is found and repaired, go to step 9 .
Using scan tool, select DRP/ABS/TCS data list. Monitor TCS WARNING INDICATOR/MESSAGE status. If TCS WARNING INDICATOR/MESSAGE status is OFF, go to next step. If TCS WARNING INDICATOR/MESSAGE status is not OFF, go to step 5 .
Turn ignition off and back on. This will activate Instrument Panel Cluster (IPC) bulb check. Observe TRACTION CONTROL indicator during bulb check. If TRACTION CONTROL indicator illuminates during bulb check and then turns off, go to next step. If TRACTION CONTROL indicator does not illuminate during bulb check, go to step 6 .
Check for poor connections at Electronic Brake Control Module (EBCM) connector. See Figure . If connections are okay, go to step 7 . If faulty connections are found and repaired, go to step 9 .
Check for poor connections at Instrument Panel Cluster (IPC) connector. If connections are okay, go to step 8 . If faulty connections are found and repaired, go to step 9 .
Replace EBCM. See ELECTRONIC BRAKE CONTROL MODULE under REMOVAL & INSTALLATION in BODY CONTROL MODULES - DEVILLE article. After repairs, go to step 9 .
Replace IPC. See INSTRUMENT PANEL CLUSTER under REMOVAL & INSTALLATION. After repairs, go to next step.
After repairs, recheck operation of indicator. If indicator operates properly, repair is complete. If indicator does not operate properly, go to step 2 .