Fault Codes/Power Solutions, Inc./653Power Solutions, Inc.653UnclassifiedGeneralWhat This Code MeansMIL on during active fault; ECM shuts off spark to the enginePossible Causes•Engine RPM greater than 4100 for 2 seconds continuouslyRelated Power Solutions, Inc. Fault CodesDTC 112DTC 122651DTC 244638DTC 512637DTC 513636DTC 514635DTC 516Browse all Power Solutions, Inc. fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for 653 on your specific Power Solutions, Inc. unit — cited to the OEM manual, not a forum guess.Your question about 653GET THE ANSWERFree account required — we'll bring your question with you.