Fault Codes/Power Solutions International/DTC 6Power Solutions InternationalDTC 6UnclassifiedStartingWhat This Code MeansIntermittent engine operation; Engine fails to start and runPossible Causes•Intermittent wiring fault•Short to ground in the harness between the ECM and lockoff•Open circuit in the harness between the ECM and the lockoff•Open circuit in the harness between the lockoff and the lockoff power source•Blown fuses or faulty relays associated with the power to the lockoffSuggested Actions1Perform On-Board (OBD) System Check2Check the harness between the ECM and lockoff for a short to ground3Check the harness for an open between the ECM and the lockoff4Check the harness for an open between the lockoff and the lockoff power source5Check fuses and relays associated with the power to the lockoffRelated Power Solutions International Fault CodesDTC 7DTC 161326DTC 1121325TMAP DTC616167DTC 11DTC 2 99Browse all Power Solutions International fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for DTC 6 on your specific Power Solutions International unit — cited to the OEM manual, not a forum guess.TRY IT FREE