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Home >> Chevrolet >> 2018 >> Suburban 3500 HD LT >> Repair and Diagnosis >> External Pages >> Different car >> Section 21 (Automatic Transmission - 10L80 (MF6) - Diagnostic Information And Procedures) >> Diagnostic Information And Procedures >> DTC P0960, P0962, P0963, P0964, P0966, P0967, P0968, P0970, P0971, P2670, P2671, P2718, P2720, P2721, P2727, P2729, P2730, P2736, P2738, P2739, P2824, P2826 Or P2827: Transmission Control Solenoid Valve 1-6 Control Circuit >> Circuit/System Verification

Circuit/System Verification

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  1. Ignition - On
  2. Engine - Running
  3. Verify the scan tool parameter:
    • High Side Driver 2 Circuit Open Test Status = OK or Not Run
    • High Side Driver 2 Circuit Low Voltage Test Status = OK or Not Run
    • High Side Driver 2 Circuit High Voltage Test Status = OK or Not Run
    • Transmission Control Solenoid Valve 1-6 Control Circuit Open Test Status = OK or Not Run
    • Transmission Control Solenoid Valve 1-6 Control Circuit Low Voltage Test Status = OK or Not Run
    • Transmission Control Solenoid Valve 1-6 Control Circuit High Voltage Test Status = OK or Not Run
    • If not the specified state 

      Refer to Circuit/System Testing

    • Go to next step: If the specified state 
  4. 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 
  5. All OK.
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