Power Solutions, Inc.

124

UnclassifiedGeneral

What This Code Means

DST displays ECT temperature of 235 degrees F. or greater with the engine running over 650 rpm; Temperature gauge indicates 230 degrees F. or greater

Possible Causes

  • •Cooling system issue
  • •ECT circuit malfunction
  • •Engine Coolant temperature reading or estimate greater than 250 deg. F and engine RPM greater than 650
  • •Intermittent problem

Suggested Actions

  1. 1Connect Diagnostic Scan Tool (DST) in System Data Mode, warm engine to normal operating temperature, then run the engine above 1000 rpm for 60 seconds
  2. 2Perform the On-Board (OBD) System Check
  3. 3Refer to Intermittent section for troubleshooting
  4. 4Repair Cooling system
  5. 5Verify ECT circuit function and follow diagnostic test procedure for DTC-122 ECT Low Voltage
  6. 6Verify engine coolant temperature with a temperature gauge

Related Power Solutions, Inc. Fault Codes

134-BP135-BP115142114211212221224262511516
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