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Home >> Chevrolet >> 2017 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Hybrid/EV Control System) >> Diagnostic Information and Procedures >> DTC P0AB9: Hybrid/EV System Performance >> Circuit/System Verification

Circuit/System Verification

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  1. Vehicle ON. Operate the hood release to open the hood. Under normal operation, the engine should start and run.
  2. Verify the engine starts and runs for at least 20 seconds.
    • If the engine fails to start and run for at least 20 seconds 

      Diagnose the engine and transmission systems. Perform Line Pressure Check. Refer to Line Pressure Check .

    • If the engine starts and runs for at least 20 seconds 
  3. Verify DTC P0AB9 is not set.
    • If the DTC is set 
    1. Program the T6 Power Inverter Module.
    2. Verify the DTC does not set.
      • If the DTC sets, replace the T6 Power Inverter Module.
      • If the DTC does not set.
    3. All OK
    • If the DTC is not set 
  4. All OK
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