Power Solutions International, Inc.

1439

UnclassifiedCooling

What This Code Means

MIL: ON; Engine Shutdown; Engine oil temperature exceeds 235°F for over 3 seconds; Increase in power output

Possible Causes

  • •Low engine oil level
  • •Faulty oil temperature sensor switch
  • •Switch wiring shorted to ground (terminal K on the Vehicle Interface Connector)
  • •Containment buildup reducing the efficiency of the oil cooler
  • •Non-leak-based failures reducing the efficiency of the oil cooler
  • •Damages in the rotating assembly causing excessive heat buildup and extra friction

Suggested Actions

  1. 1Check the engine oil level and refill if necessary
  2. 2Disconnect the switch, clear the fault, run the engine again, and inspect the oil temperature sensor switch if the fault does not return
  3. 3Disconnect the Vehicle Interface Connector (VIC) and use an ohmmeter to check for a short to ground from pin K on both the engine side and OEM side of the VIC, then locate and repair the short
  4. 4Check for containment buildup or other non-leak-based failures that reduce the efficiency of the oil cooler
  5. 5Check for damages in the rotating assembly causing excessive heat buildup

Related Power Solutions International, Inc. Fault Codes

DTC 18 7DTC 111217DTC 116116DTC 217160216031360161213521613
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