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Home >> GMC >> 2010 >> Terrain SLT, 2.4 W, AWD >> Repair and Diagnosis >> Brakes >> Antilock Brake System With Traction Control System & Stability Control System >> Diagnostic Information and Procedures >> DTC P0856 >> Circuit/System Testing

Circuit/System Testing

  1. Verify that no DTCs except P0856 00 are present in the ECM.
  2. Replace the K20 Engine Control Module (ECM) and verify the DTC does not reset.
    • If the DTC resets, replace the K17 Electronic Brake Control Module (EBCM).
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