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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> Brakes >> Traction Control >> Antilock Brake System >> Diagnostic Information and Procedures >> DTC C0265 or C0266: EBCM Relay Circuit >> Test Description

Test Description

The numbers below refer to the step numbers on the diagnostic table.

  1. 4. This step tests if the battery positive voltage circuit can supply adequate power to the system relay.
  2. 7. A shorted ABS pump motor or shorted motor circuitry may damage the contacts within the system relay. Follow this step to prevent damage to a replacement EBCM.
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