Fault Codes/Power Solutions International, Inc./563Power Solutions International, Inc.563UnclassifiedGeneralWhat This Code MeansMIL (Malfunction Indicator Lamp) ON during active fault; Adaptive learn disabledPossible Causes•Battery voltage exceeds 33V for 3 seconds while the engine is running or cranking•Faulty ECM•Faulty battery•Faulty charging system•Intermittent faultSuggested Actions1Check battery voltage in DST2Key ON, Engine On, System Mode = 'Running', Operate engine at Idle3Key Off, disconnect wire harness header from ECM, and using a DMM measure the voltage potential across battery (+) and (-)4Perform On-Board (OBD) System Check5Using a DVM measure the voltage potential across battery (+) and (-)Related Power Solutions International, Inc. Fault Codes606643524685520686326891 422311112221171Browse all Power Solutions International, Inc. fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for 563 on your specific Power Solutions International, Inc. unit — cited to the OEM manual, not a forum guess.TRY IT FREE