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Home >> Chevrolet >> 2024 >> Tahoe Commercial, 4WD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 10L80 (MHS MHU MQC) - Diagnostic Information And Procedures (1 Of 2) >> Diagnostic Information and Procedures >> DTC P0960, P0962-P0964, P0966-P0968, P0970, P0971, P2670, P2671, P2718, P2720, P2721, P2727, P2729, P2730, P2736, P2738, P2739, P2824, P2826, or P2827 >> Circuit/System Verification

Circuit/System Verification

  1. Engine - Running
  2. Verify the scan tool parameter:
    • High Side Driver 2 Circuit High Test Status = Not Run or Okay
    • High Side Driver 2 Circuit Low Test Status = Not Run or Okay
    • High Side Driver 2 Circuit Open Test Status = Not Run or Okay
    • Transmission Control Solenoid Valve 1-6, 9 Control Circuit High Test Status = Not Run or Okay
    • Transmission Control Solenoid Valve 1-6, 9 Control Circuit Low Test Status = Not Run or Okay
    • Transmission Control Solenoid Valve 1-6, 9 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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