LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2022 >> Tahoe PPV, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Engine Mechanical - 3.0L (Lm2) Diesel - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P06DA-P06DD or P13B1 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
NOTE:

The engine oil level and condition is critical to the correct operation of the system.

  1. Ignition - On / Vehicle - In Service Mode
  2. Verify there are no DTCs set related to the following component/system:
    • B35B Engine Oil Level Sensor
    • B37 Engine Oil Pressure Switch
    • B37B Engine Oil Pressure Sensor
    • Go to next step: If no other DTCs are set 
  3. Verify the condition does not exist: Engine Oil - Contaminated/Dirty/Fill Level = Low
    • If a condition exists 

      Repair as necessary

    • Go to next step: If no condition exists 
  4. Verify the scan tool parameter:
    • Engine Oil Pressure Control Valve Control Circuit High Test Status = Not Run or Okay
    • Engine Oil Pressure Control Valve Control Circuit Low Test Status = Not Run or Okay
    • Engine Oil Pressure Control Valve 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 
  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.

    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 
  6. All OK.