261

UnclassifiedElectrical

What This Code Means

MIL-On for active fault and for 5 seconds after active fault; Adaptive learn disabled for remainder of key on cycle; ECM shut down with internal protection; ECM fuse open

Possible Causes

  • •Faulty ECM
  • •Faulty charging system
  • •Intermittent electrical problem
  • •Switched battery voltage at ECM greater than 18 volts for 3 seconds while cranking or running
  • •System voltage exceeds 26 volts

Suggested Actions

  1. 1Clear DTC information from ECM using Diagnostic Scan Tool (DST) and retest
  2. 2Perform On-Board (OBD) System Check
  3. 3Repair the charging system
  4. 4Replace ECM

Related Power Solutions, Inc. Fault Codes

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