Fault Codes/Power Solutions International/DTC 1628Power Solutions InternationalDTC 1628UnclassifiedGeneralWhat This Code MeansDTC 1628 resets with the engine idlingPossible Causes•CAN Address Conflict•Intermittent problem•CAN address conflict•Intermittent CAN device problemSuggested Actions1Perform the On-Board (OBD) System Check2Disconnect CAN devices one at a time to isolate the conflicting device3Contact the CAN device manufacturer for additional CAN address information4Replace the conflicting CAN device5Resolve the CAN address conflict6Clear DTC information from the ECM using the Diagnostic Scan Tool (DST)7Perform On-Board (OBD) System Check8Replace the conflicting CAN device or resolve the address conflict9Clear DTC information from the ECM using the Diagnostic Scan Tool (DST), cycle the ignition, and operate the engine to verify repairRelated Power Solutions International Fault CodesDTC 2135DTC1173DTC 1616SPN 520260:FMI 31DTC 1615DTC 1614DTC 1613DTC 1612DTC 1552DTC 1173DTC 1028DTC 1026Browse all Power Solutions International fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for DTC 1628 on your specific Power Solutions International unit — cited to the OEM manual, not a forum guess.TRY IT FREE