LEMON Manuals: Even more car manuals for everyone
Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 6T70 - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P2719, P2720, P2721: Pressure Control Solenoid Valve 4 >> Circuit/System Verification

Circuit/System Verification

  1. Operate the vehicle in second gear long enough to ensure at least a 3°C (5°F) rise in TCM temperature, then operate the vehicle in Park for 5s.
  2. Operate the vehicle in Drive range. Allow the transmission to shift through all forward gear ranges.
  3. Verify the scan tool parameters listed below do not display Malfunction:
    • Pressure Control Solenoid Valve 4 Performance Test Status
    • Pressure Control Solenoid Valve 4 Control Circuit Low Voltage Test Status
    • Pressure Control Solenoid Valve 4 Control Circuit High Voltage Test Status
    • If Malfunction is displayed 

      Refer to Circuit/System Testing.

    • If Malfunction is displayed 
  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.
  5. Verify the DTC does not set.
    • If the DTC sets 

      Refer to Circuit/System Testing

    • If the DTC does not set 
  6. All OK.
scientia non olet · About LEMON Manuals