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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (Engine Controls And Fuel - 2.4L - DTC P0114 To DTC P0604) >> Diagnostic Information and Procedures >> DTC P0335 or P0336: Crankshaft Position Sensor >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different variant/trim than selected.
  1. Ignition ON.
  2. Verify DTC P0651 is not set.
    • If the DTC is not set 
  3. Engine running.
  4. Verify the scan tool Crankshaft Position Active Counter parameter increments.
    • If the counter does not increment 

      Refer to Circuit/System Testing.

    • If the counter increments 
  5. Verify the scan tool Crankshaft Position Resync Counter parameter displays 0 counts and the engine does not stumble or stall while moving the related harness/connectors of the B26 Crankshaft Position Sensor.
    • If greater than 0 counts and the engine stumbles or stalls 

      Refer to Circuit/System Testing.

    • If 0 counts and the engine does not stumble or stall 
  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.
  7. Verify the DTC does not set.
    • If the DTC sets 

      Refer to Circuit/System Testing.

    • If the DTC does not set 
  8. All OK.