Fault Codes/Power Solutions, Inc./636Power Solutions, Inc.636UnclassifiedGeneralWhat This Code MeansMIL light on for remainder of key on cycle; Engine shut downPossible Causes•TPS1 lower than TPS2 by 20% difference or more•Throttle out of specification•Problem with the TPS signal circuitRelated Power Solutions, Inc. Fault Codes637638635651556653555DTC 112516DTC 122511DTC 244Browse all Power Solutions, Inc. fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for 636 on your specific Power Solutions, Inc. unit — cited to the OEM manual, not a forum guess.Your question about 636GET THE ANSWERFree account required — we'll bring your question with you.