Fault Codes/Power Solutions International/1326Power Solutions International1326UnclassifiedStartingWhat This Code MeansMalfunction Indicator Lamp (MIL) ON during active fault; Engine retarding the ignition timingPossible Causes•Knock spark retard is above 50% of the maximum retard due to engine detonation or knockSuggested Actions1See Diagnostic Information for DTC 13252If other DTCs exist, diagnose these first3Refer to the engine manufacturer's service manual for additional informationRelated Power Solutions International Fault CodesDTC 6DTC 71325DTC 16616DTC 11216TMAP DTC713301351Browse all Power Solutions International fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for 1326 on your specific Power Solutions International unit — cited to the OEM manual, not a forum guess.TRY IT FREE