LEMON Manuals: Even more car manuals for everyone
Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Controls And Fuel - 2.7L (L3B) - Diagnostic Information And Procedures (2 Of 2)) >> Diagnostic Information and Procedures >> DTC P30BE, P30BF, P30C2, P30C3, P30C6, P30C7, P30CA, or P30CB >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition - On / Vehicle - In Service Mode
  2. Verify DTC P0651 is not set.
    • Go to next step: If the DTC is not set 
  3. Engine - Idling
  4. Verify DTC P30BE, P30BF, P30C2, P30C3, P30C6, P30C7, P30CA, P30CB is not set.
    • If any of the DTCs are set 

      Refer to: Circuit/System Testing

    • Go to next step: If none of the DTCs are set 
  5. Perform the following action:
    • Wiggle the harness and connector: B338 Intake Camshaft Profile Sleeve Position Sensor
    • Wiggle the harness and connector: B339 Exhaust Camshaft Profile Sleeve Position Sensor
    • Wiggle the harness and connector: K20 Engine Control Module

      Verify the DTC does not set.

    • If the DTC sets 

      Repair as necessary - Wiring / Terminal(s) / Electrical Connector(s)

    • Go to next step: If the DTC does not set 
  6. 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 
  7. All OK.