Cummins

234

UnclassifiedGeneral

What This Code Means

Engine Speed High (Shutdown); Engine speed signals indicate an engine speed greater than shutdown threshold

Possible Causes

  • •Critical shutdown fault generated
  • •Fault simulation feature is enabled
  • •Faulty engine harness - general
  • •Faulty engine speed sensor connections
  • •Incorrect fuel type setting
  • •Incorrect threshold setting

Suggested Actions

  1. 1Connect InPower and verify that fault simulation is not enabled for the engine speed sensor
  2. 2Connect InPower and verify the fuel source set is the same fuel used by the generator
  3. 3Disconnect engine harness connector from extension harness and inspect engine harness connector pins for corroded, bent, broken, pushed back, or expanded pins
  4. 4Disconnect engine harness connector from the engine speed sensor and inspect connector pins for corroded, bent, broken, pushed back, or expanded pins
  5. 5Inspect engine speed sensor connector for evidence of moisture, missing or damaged seals, and dirt or debris
  6. 6Recalibrate the base board (PCC) to reset threshold settings
  7. 7Use service tool to connect to the base board (PCC), verify fault threshold settings, and compare to specifications in the engine manual
  8. 8Verify PCC calibration number and revision is correct

Related Cummins Fault Codes

2363791159112491200-04591300-04291400-040915
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