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Home >> Buick >> 2000 >> Century Custom >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System With Traction Control System - DELPHI 7 >> Symptom Tests >> Test F: Traction Control Indicator Always On

Test F: Traction Control Indicator Always On

  1. Perform diagnostic system check. See DIAGNOSTIC SYSTEM CHECK  under DIAGNOSIS & TESTING. After performing diagnostic system check, go to next step.
  2. Turn ignition on, with engine off. Using scan tool check for BCM DTC(s). If DTC B2747 is present, diagnose affected DTC. If DTC B2747 is not present, go to next step.
  3. Install scan tool. Turn ignition on, with engine off. Using scan tool, go to OUTPUT CONTROLS in instrument panel display. Using scan tool, in the WOW mode to turn instrument panel indicators on and off. If TRAC OFF indicator turns on and off when commanded, go to next step. If TRAC OFF indicator does not turn on and off, go to step  5 .
  4. Replace EBCM. After replacing EBCM, go to step  6 .
  5. Repair or replace instrument panel cluster. After repairs, go to next step.
  6. Using scan tool, clear DTCs. Recheck DTCs. If DTC resets, go to step  2 . If DTC does not reset, system is okay.
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