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Home >> Cadillac >> 2019 >> CTS Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 6.2L (LT4) - DTC P0010 To P0455 >> Diagnostic Information and Procedures >> DTC P0016 >> Circuit/System Verification
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Circuit/System Verification

  1. Ignition - On / Vehicle - In Service Mode
  2. Verify DTC P0010, P0335, P0336, P0340, P0341 is not set.
    • Go to next step: If none of the DTCs are set 
  3. Engine - Idling - At normal operating temperature.
  4. Verify DTC P0016 is not set.
    • If the DTC is set 
    1. Ignition/Vehicle - Off
    2. Verify the following conditions do not exist:
      • B23 Camshaft Position Sensor - Incorrect installation
      • B26 Crankshaft Position Sensor - Incorrect installation
      • Q6 Camshaft Position Actuator Solenoid Valve - Incorrect installation/Stuck Closed/Stuck Open
      • Reluctor Ring - Misaligned@Crankshaft
      • Timing BeltorTiming Chain - Excessive play
      • Timing Belt TensionerorTiming Chain Tensioner - Incorrect installation
      • If a condition exists - Repair or replace as necessary
      • If none of the conditions exists - Refer to step 2.
    • Go to next step: If the DTC is not set 
  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 

      One of the above conditions still exist.

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