DTC 337

UnclassifiedGeneral

What This Code Means

MIL ON; Engine shutdown

Possible Causes

  • ECM sees six cam pulses without crank activity
  • Crankshaft position sensor not securely connected to harness
  • Crankshaft position sensor not securely installed in bracket, or bracket loose/misaligned with the crankshaft position wheel
  • Open circuit in crankshaft position sensor circuit wiring

Suggested Actions

  1. 1Check that the crankshaft position sensor is securely connected to harness
  2. 2Check that the crankshaft position sensor is securely installed in bracket, and bracket is tight and properly aligned with the crankshaft position wheel
  3. 3Check crankshaft position sensor circuit wiring for open circuit

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for DTC 337 on your specific Power Solutions International, Inc. unit — cited to the OEM manual, not a forum guess.

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