512

UnclassifiedFuel

What This Code Means

MIL on until code is cleared by technician; Adaptive disabled for the remainder of the key-on cycle; Power Derate (level 2) enforced; Maximum throttle position limited to 20%; ECM resets itself

Possible Causes

  • •Internal microprocessor error

Suggested Actions

  1. 1Erase fault after diagnosis by removing battery power
  2. 2Manually clear the fault code

ASK RUDY ABOUT THIS FAULT

Get a diagnosis walkthrough for 512 on your specific Power Solutions, Inc. unit — cited to the OEM manual, not a forum guess.

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