Fault Codes/Rehlko/ECM MISMATCH SHUTDWNRehlkoECM MISMATCH SHUTDWNUnclassifiedGeneralWhat This Code MeansECM mismatchRelated Rehlko Fault CodesECMMISMATCH SHUTDWNEMERGENCY PUSH BUTTON ENGAGED FAULTECM COMM ERR SHUTDWNEMERGENCY STOPECM ADDR ERR SHUTDWNESCONCHECKINGEXER NOT SCHCOMMON WARNGEXER NOT SCH WCOMMON FAULT SHUTDWNFAILURE TO ACQUIRE STANDBYBrowse all Rehlko fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for ECM MISMATCH SHUTDWN on your specific Rehlko unit — cited to the OEM manual, not a forum guess.Your question about ECM MISMATCH SHUTDWNGET THE ANSWERFree account required — we'll bring your question with you.