Back to 1998 Buick Century

1998 BUICK CENTURY

3.1L V6FWDAUTOMATICgas
4 active safety recalls on this vehicle — view recalls
Repairs0Labor473Torque2471Fluid6DTC687Battery0Maintenance0Recalls4
P1884low severityPowertrain

TCC Enable / Shift Light Circuit

on 1998 Buick Century 3.1L V6 · FWD

What this code means

The TCM detected a fault in the TCC enable or shift indicator light circuit.

Symptoms

  • Shift light not working
  • Check Engine Light
  • TCC not engaging properly

Common causes

  • Burnt out shift indicator bulb
  • Wiring issue to indicator light
  • TCM driver failure

Diagnostic steps

  1. Test shift light bulb
  2. Check circuit wiring
  3. Test TCM output for shift light

Repair notes

Replace shift indicator bulb or repair wiring.

Other Powertrain codes on this vehicle

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