2661

UnclassifiedGeneral

What This Code Means

One or more unacknowledged Engine Shutdown Faults are active

Possible Causes

  • •One or More Unacknowledged Engine Fault Codes

Suggested Actions

  1. 1Troubleshoot Engine Fault Codes

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for 2661 on your specific Cummins unit — cited to the OEM manual, not a forum guess.

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