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Home >> Oldsmobile >> 1999 >> Eighty-Eight LS >> Repair and Diagnosis >> Brakes >> Anti-Lock Brake System With Traction Control System >> Diagnostic Tests >> DTC C1238: Brake Thermal Model Limit Exceeded

DTC C1238: Brake Thermal Model Limit Exceeded

  1. Perform diagnostic system check. See DIAGNOSTIC SYSTEM CHECK. After performing diagnostic system check, go to next step.
  2. Turn ignition on, with engine off. Using scan tool, display ABS/TCS DTCs. If any other DTC is set, go to appropriate DTC for diagnosis. If no other DTC is set, go to next step.
  3. Allow vehicle to cool for 30 minutes after being driven. Using scan tool, select ABS/TCS DATA LIST and read TCS STATUS. If brake thermal model is exceeded, go to next step. If brake thermal model is not exceeded, go to step 5)  .
  4. Replace EBCM/EBTCM.
  5. Check brake switch adjustment. Switch is located on brake pedal. See appropriate DISC & DRUM article. If switch is properly adjusted, see INTERMITTENTS & POOR CONNECTIONS  under DIAGNOSIS & TESTING. If switch is not properly adjusted, adjust brake switch.
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