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Home >> Chevrolet >> 2022 >> Camaro LS, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 30 (Engine Controls And Fuel - 6.2L (LT1/LT4) - Diagnostic Information And Procedures (3 Of 3)) >> Diagnostic Information and Procedures >> DTC P129D >> Circuit/System Verification

Circuit/System Verification

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  1. Ignition - Crank
    • Engine = Cranking
    • M64 Starter Motor = Activated - Rotate(s)
    • Go to next step: If the component works as specified 
  2. Ignition - On/Vehicle - In Service Mode
  3. Verify DTC P0562 is not set.
    • Go to next step: If the DTC is not set 
  4. Verify DTC P129D is not set.
    • If the DTC is set 

      Refer to: Circuit/System Testing

    • Go to next step: If the DTC is not set 
  5. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
  6. Verify DTC P129D is not set.
    • If the DTC is set 

      Refer to: Circuit/System Testing

    • Go to next step: If the DTC is not set 
  7. All OK.