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Home >> Chevrolet >> 2011 >> Caprice >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 6.0L - DTC Diagnostics And Troubleshooting >> Diagnostic Information and Procedures >> DTC P0335 >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON, observe the DTC information with scan tool. Verify that DTC P0641 or P0651 is not set.
  2. Clear the DTC information with a scan tool. Attempt to start the engine. Observe the DTC information with a scan tool. DTC P0335 should not set.
  3. Engine idling, observe the scan tool Crankshaft Position Resync Counter parameter. The parameter should always display zero. Move the related harnesses/connectors of the B26 crankshaft position sensor while observing the parameter. Verify the engine does not stumble or stall, and the parameter does not increment.
  4. Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not set. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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