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Home >> Chevrolet >> 2022 >> Tahoe PPV, RWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 10L80 (MHS MQC) - Diagnostic Information And Procedures (1 Of 2) >> Diagnostic Information and Procedures >> DTC P0658, P0659, P2812, P2814, P2815, P281B, P281D, or P281E >> Circuit/System Verification

Circuit/System Verification

  1. Engine - Running
  2. Verify the scan tool parameter:
    • High Side Driver Circuit High Test Status = Not Run or Okay
    • High Side Driver Circuit Low Test Status = Not Run or Okay
    • High Side Driver Circuit Open Test Status = Not Run or Okay
    • Transmission Control Solenoid Valve 7, 8 Control Circuit High Test Status = Not Run or Okay
    • Transmission Control Solenoid Valve 7, 8 Control Circuit Low Test Status = Not Run or Okay
    • Transmission Control Solenoid Valve 7, 8 Control Circuit Open Test Status = Not Run or Okay
    • If not the specified state 

      Refer to: Circuit/System Testing

    • Go to next step: If the specified state 
  3. 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.

    Verify the DTC does not set.

    • If the DTC sets 

      Refer to: Circuit/System Testing

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