Circuit/System Testing

2010 GMC Savana Special 4.8 ASECTION Circuit/System Testing
IMPORTANT: Allow brakes to cool down before performing test.
  1. With scan tool clear the DTC.
  2. With scan tool connected test drive the vehicle under normal braking conditions and without causing TC or ABS activation. Verify DTC C0179 resets.
    • If the DTC resets replace the EBCM.
  3. Refer to Diagnostic Aids.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.