DTC 522

UnclassifiedGeneral

What This Code Means

MIL (Malfunction Indicator Light) ON; Engine shuts down

Possible Causes

  • Voltage on terminal 44 is less than 0.2v for more than 1 second

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Get a diagnosis walkthrough for DTC 522 on your specific Power Solutions International unit — cited to the OEM manual, not a forum guess.

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