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Home >> GMC >> 2012 >> Yukon Hybrid, RWD >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Electric Converters and Controllers >> Hybrid/EV Control System >> Diagnostic Information and Procedures >> DTC P0A2F >> Circuit/System Verification

Circuit/System Verification

  1. Verify that DTC P0A2C is not set.
  2. Ignition ON, observe the scan tool ECM engine coolant temperature (ECT) parameter in freeze frame data. The reading should be below 125°C (257°F).
  3. Ignition ON, observe the scan tool motor 1 temperature and motor 2 temperature parameters in freeze frame data. The reading should be above 200°C (392°F). If greater than the specified value, go to Automatic Transmission Overheating . If the transmission tests normal, replace M15A drive motor 1 generator.