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Massey Ferguson fault codes & repair guides

All 5,541 codes· 50 per page · page 77 of 111

Massey Ferguson fault codes with controller, issue summary and a link to the full repair manual
CodeControllerIssue summaryRepair manual
521000.02HCU, HCC, or SCOExternal Hitch Switch Circuit FaultFull repair manual for code 521000.02, HCU, HCC, or SCO
E521000.08Engine Control Unit (ECU)DEF Pump Control Issue (ECU)Full repair manual for code E521000.08, Engine Control Unit (ECU)
521000.08Engine ECU (AGCO SISU POWER EEM4)DEF pump temperature signal duty cycle in failure rangeFull repair manual for code 521000.08, Engine ECU (AGCO SISU POWER EEM4)
E521001.03Engine Control Unit (ECU)High Voltage Issue With DEF Heater Relay Latching Supply Voltage (ECU)Full repair manual for code E521001.03, Engine Control Unit (ECU)
521001.03Engine ECU (AGCO SISU POWER EEM4)High Voltage Issue With DEF Heater Relay Latching Supply VoltageFull repair manual for code 521001.03, Engine ECU (AGCO SISU POWER EEM4)
E521001.04ECULow Voltage Issue With DEF Heater Relay Latching Supply Voltage / DEF Module Heater Resistance Is LowFull repair manual for code E521001.04, ECU
521001.04Engine Control Unit (ECU)DEF Module Heater Resistance Is Low (ECU) / Low Voltage Issue With DEF Heater Relay Latching Supply Voltage (ECU)Full repair manual for code 521001.04, Engine Control Unit (ECU)
521001.05Engine ECUDEF Module Heater Resistance Is High (ECU)Full repair manual for code 521001.05, Engine ECU
521001.14ECUDEF Module Heater High Voltage (ECU)Full repair manual for code 521001.14, ECU
521002.03Engine Control Unit (ECU)DEF Reverse Flow Solenoid Valve High Voltage (ECU) / DEF pump direction valve high side short circuit to HIGH SOURCEFull repair manual for code 521002.03, Engine Control Unit (ECU)
E521002.03Engine ECUThe DEF Reverse Flow Solenoid Valve High VoltageFull repair manual for code E521002.03, Engine ECU
521002.04ECUThe DEF Reverse Flow Solenoid Valve Low Voltage (ECU)Full repair manual for code 521002.04, ECU
E521002.04Engine ECU (AGCO SISU POWER EEM4)DEF Reverse Flow Solenoid Valve Low Voltage / DEF pump direction valve high side short circuit to GROUNDFull repair manual for code E521002.04, Engine ECU (AGCO SISU POWER EEM4)
E521002.05Engine Control Unit (ECU)The DEF Reverse Flow Solenoid Valve Low AmpsFull repair manual for code E521002.05, Engine Control Unit (ECU)
521002.05Engine ECU (EEM4 / Aftertreatment Control Module)Aftertreatment Diesel Exhaust Fluid (DEF) Return Valve / Reverse Flow Solenoid - Current Below Normal or Open CircuitFull repair manual for code 521002.05, Engine ECU (EEM4 / Aftertreatment Control Module)
E521002.31ECUSCR Heating Issue SCR System Shutdown (ECU)Full repair manual for code E521002.31, ECU
521002.31Engine Control Unit (ECU)SCR Heating Issue SCR System Shutdown (ECU)Full repair manual for code 521002.31, Engine Control Unit (ECU)
E521003.03Engine Control Unit (ECU)High Voltage Issue With DEF Heater Relay Latching Supply Voltage (ECU)Full repair manual for code E521003.03, Engine Control Unit (ECU)
521003.03Engine Control Unit (ECU) / EEM4DEF Module Heater Resistance Is Low (ECU) / DEF heater main relay control circuit short circuit to HIGH SOURCEFull repair manual for code 521003.03, Engine Control Unit (ECU) / EEM4
521003.04Engine Control Unit (ECU)DEF Module Heater Resistance Is Low (ECU) / Low Voltage Issue With DEF Heater Relay Latching Supply Voltage (ECU)Full repair manual for code 521003.04, Engine Control Unit (ECU)
E521003.04Engine ECU (EEM4)Low Voltage Issue With DEF Heater Relay Latching Supply Voltage (ECU) / DEF heater main relay control circuit short circuit to GROUNDFull repair manual for code E521003.04, Engine ECU (EEM4)
E521004.02Engine Control Unit (ECU)NOx Sensor Top Of Exhaust Signal IssueFull repair manual for code E521004.02, Engine Control Unit (ECU)
521004.02Engine ECUNOx Sensor Top Of Exhaust Signal Issue / Downstream NOx Sensor Value ImplausibleFull repair manual for code 521004.02, Engine ECU
E521004.11Engine Control Unit (ECU) / EEM4Downstream NOx Sensor MissingFull repair manual for code E521004.11, Engine Control Unit (ECU) / EEM4
521004.11Engine ECUDownstream NOx Sensor Missing / Exhaust Outlet NOx Sensor MissingFull repair manual for code 521004.11, Engine ECU
E521004.12Engine Control Unit (ECU)NOx Sensor Top Of Exhaust Signal Issue / Downstream NOx sensor stability time exceeded.Full repair manual for code E521004.12, Engine Control Unit (ECU)
521005.02Engine Control Unit (ECU)NOx Sensor Before DOC Signal IssueFull repair manual for code 521005.02, Engine Control Unit (ECU)
E521005.02Engine Control Unit (ECU) / EEM4NOx Sensor Before DOC Signal Issue / Upstream NOx sensor value implausibleFull repair manual for code E521005.02, Engine Control Unit (ECU) / EEM4
521005.11Engine Control Unit (ECU) / EEM4NOx Sensor Before DOC Signal IssueFull repair manual for code 521005.11, Engine Control Unit (ECU) / EEM4
521005.12Engine Control Unit (ECU) / EEM4Upstream NOx sensor stability time exceededFull repair manual for code 521005.12, Engine Control Unit (ECU) / EEM4
E521005.12Engine ECUNOx Sensor Before DOC Signal IssueFull repair manual for code E521005.12, Engine ECU
E521006.12Engine ECU (EEM4)NOx sensor Common control error / NOx conversion implausibleFull repair manual for code E521006.12, Engine ECU (EEM4)
521007.1ECUDEF Pressure IssueFull repair manual for code 521007.1, ECU
521007.10—DEF Pressure Issue (ECU)Full repair manual for code 521007.10
E521007.10Engine ECU (EEM4)SCR system ERROR: DEF backflow line blocked or implausibleFull repair manual for code E521007.10, Engine ECU (EEM4)
521007.14Engine Control Unit (ECU)DEF Pressure Issue (ECU) / DEF Pump/Pressure IssueFull repair manual for code 521007.14, Engine Control Unit (ECU)
E521007.14Engine ECUDEF Pressure Issue (ECU)Full repair manual for code E521007.14, Engine ECU
521007.31Engine Control Unit (ECU)DEF Pressure Issue (ECU)Full repair manual for code 521007.31, Engine Control Unit (ECU)
E521007.31Engine ECU (EEM4)SCR system ERROR: DEF pressure stabilisation failureFull repair manual for code E521007.31, Engine ECU (EEM4)
521008Engine ECU (EEM4)SCR system ERROR: DEF pressure reduction failureFull repair manual for code 521008, Engine ECU (EEM4)
521008.00—DEF Pressure Issue (ECU)Full repair manual for code 521008.00
E521008.00Engine Control Unit (ECU)AdBlue™ or DEF system Pressure relief faultFull repair manual for code E521008.00, Engine Control Unit (ECU)
521008.01Engine Control Unit (ECU)DEF Pressure Issue (ECU)Full repair manual for code 521008.01, Engine Control Unit (ECU)
E521008.01Engine ECU (EEM4)DEF Pressure Issue (ECU) / SCR system ERROR: DEF pressure build up failureFull repair manual for code E521008.01, Engine ECU (EEM4)
E521010.03Engine Control Unit (ECU)The DEF Tank Heater Solenoid Valve High VoltageFull repair manual for code E521010.03, Engine Control Unit (ECU)
521010.03Engine ECU (EEM4)DEF Tank Heater Coolant Valve Solenoid Low Side Short Circuit to HIGH SOURCEFull repair manual for code 521010.03, Engine ECU (EEM4)
E521010.04Engine Control Unit (ECU)The DEF Tank Heater Solenoid Valve High AmpsFull repair manual for code E521010.04, Engine Control Unit (ECU)
521010.04Engine ECU (AGCO SISU POWER EEM4)DEF Tank Heater Solenoid Valve High AmpsFull repair manual for code 521010.04, Engine ECU (AGCO SISU POWER EEM4)
521010.05Engine Control Unit (ECU) / EEM4DEF Tank Heater Coolant Valve Solenoid Low Side Open CircuitFull repair manual for code 521010.05, Engine Control Unit (ECU) / EEM4
E521010.06Engine Control Unit (ECU)The DEF Tank Heater Solenoid Valve High AmpsFull repair manual for code E521010.06, Engine Control Unit (ECU)