Fault Codes/Deep Sea Electronics/DM1 MALFUNCTIONDeep Sea ElectronicsDM1 MALFUNCTIONUnclassifiedCoolingWhat This Code MeansOil Pressure issues; Coolant Temperature issues; Missing wiring information for ECUPossible Causes•Parameter threshold reached•DSE currently does not have wiring information for this specific ECUSuggested Actions1Engine Stop (Function supported by ECU)2Contact the engine supplier for more informationRelated Deep Sea Electronics Fault CodesDM1 PROTECTDM1 REDDM1 AMBERFAILED TO STARTEMERGENCY STOPDELAYED OVER CURRENTFAIL TO STARTCOOLANT TEMPERATURE SENDER OPEN CIRCUITFAIL TO STOPBrowse all Deep Sea Electronics fault codes→ASK RUDY ABOUT THIS FAULTGet a diagnosis walkthrough for DM1 MALFUNCTION on your specific Deep Sea Electronics unit — cited to the OEM manual, not a forum guess.TRY IT FREE