Engine Control System

VOLVO ECM CODE LIST AND DEFINITIONS
ECM-112C Atmospheric pressure sensor. Signal too high
ECM-112D Atmospheric pressure sensor. Signal too low
ECM-1130 Atmospheric pressure sensor. Faulty signal
ECM-113B Atmospheric pressure sensor. Signal missing
ECM-113C Atmospheric pressure sensor. Signal too high
ECM-113D Atmospheric pressure sensor. Signal too low
ECM-120C Mass air flow. Signal too high
ECM-120D Mass air flow. Signal too low
ECM-1210 Mass air flow (MAF) sensor. Flow too high
ECM-121B Mass air flow (MAF) sensor. Flow too low
ECM-121C Mass air flow (MAF) sensor. Signal too high
ECM-121D Mass air flow (MAF) sensor. Signal too low
ECM-125C Boost pressure sensor. Signal too high
ECM-125D Boost pressure sensor. Signal too low
ECM-1260 Boost pressure sensor. Faulty signal
ECM-126B Boost pressure sensor. Signal missing
ECM-126C Boost pressure sensor. Signal too high
ECM-126D Boost pressure sensor. Signal too low
ECM-131C Intake air temperature (IAT) sensor. Signal too high
ECM-131D Intake air temperature (IAT) sensor. Signal too low
ECM-1320 Intake Air Temperature (IAT) Sensor. Faulty signal
ECM-132C Intake air temperature (IAT) sensor. Signal too high
ECM-132D Intake air temperature (IAT) sensor. Signal too low
ECM-133C Intake air temperature (IAT) sensor inlet. Signal too high
ECM-133D Intake air temperature (IAT) sensor inlet. Signal too low
ECM-140C Outside temperature sensor. Signal too high
ECM-140D Outside temperature sensor. Signal too low
ECM-1410 Outside temperature sensor. Faulty signal
ECM-141B Outside temperature sensor. Signal missing
ECM-142C Outside temperature sensor. Signal too high
ECM-142D Ambient temperature sensor. Signal too low
ECM-143C Outside temperature sensor. Signal too high
ECM-143D Outside temperature sensor. Signal too low
ECM-200B Injector cyl 1. Signal missing
ECM-200C Injector cyl 1. Signal too high
ECM-200D Injector cyl 1. Signal too low
ECM-201B Injector cyl 2. Signal missing
ECM-201C Injector cyl 2. Signal too high
ECM-201D Injector cyl 2. Signal too low
ECM-202B Injector cyl 3. Signal missing
ECM-202C Injector cyl 3. Signal too high
ECM-202D Injector cyl 3. Signal too low
ECM-203B Injector cyl 4. Signal missing
ECM-203C Injector cyl 4. Signal too high
ECM-203D Injector cyl 4. Signal too low
ECM-204B Injector cyl 5. Signal missing
ECM-204C Injector cyl 5. Signal too high
ECM-204D Injector cyl 5. Signal too low
ECM-210C Long-term fuel trim, bank 1. Signal too high
ECM-210D Long-term fuel trim, bank 1. Signal too low
ECM-212C Long-term fuel trim, bank 1. Signal too high
ECM-212D Long-term fuel trim, bank 1. Signal too low
ECM-216C Long-term fuel trim, bank 1. Signal too high
ECM-216D Long-term fuel trim, bank 1. Signal too low
ECM-217C Long-term fuel trim, bank 2. Signal too high
ECM-21E0 Long-term fuel trim, bank 1. Faulty signal
ECM-21EB Long-term fuel trim, bank 1. Signal missing
ECM-21EC Long-term fuel trim, bank 1. Signal too high
ECM-21ED Long-term fuel trim, bank 1. Signal too low
ECM-2200 Rear heated oxygen sensor (HO2S), bank 1, heating. Faulty signal
ECM-221B Rear heated oxygen sensor (HO2S), aging, bank 1. Signal missing
ECM-221C Rear heated oxygen sensor (HO2S) aging, bank 1. Signal too high
ECM-221D Rear heated oxygen sensor (HO2S) aging, bank 1. Signal too low
ECM-2220 Rear heated oxygen sensor (HO2S), bank 1. Faulty signal
ECM-222B Rear heated oxygen sensor (HO2S), bank 1. Signal missing
ECM-222C Rear heated oxygen sensor (HO2S), bank 1. Signal too high
ECM-222D Rear heated oxygen sensor (HO2S), bank 1. Signal too low
ECM-223B Rear heated oxygen sensor (HO2S), bank 1. Signal missing
ECM-223C Rear heated oxygen sensor (HO2S), bank 1. Signal too high
ECM-223D Rear heated oxygen sensor (HO2S), bank 1. Signal too low
ECM-2240 Rear heated oxygen sensors (HO2S), switched. Faulty signal
ECM-2400 Front heated oxygen sensor (HO2S), bank 1, heating. Faulty signal
ECM-240B Front heated oxygen sensor (HO2S), bank 1, heating. Signal missing
ECM-240C Front heated oxygen sensor (HO2S), bank 1, heating. Signal too high
ECM-242D Front heated oxygen sensor (HO2S), bank 1. Signal missing
ECM-243B Front heated oxygen sensor (HO2S), bank 1. Signal missing
ECM-243C Front heated oxygen sensor (HO2S), bank 1 heating. Signal too high
ECM-244B Front heated oxygen sensor (HO2S), bank 1, heating. Signal missing
ECM-244C Front heated oxygen sensor (HO2S), bank 1, heating. Signal too high
ECM-244D Front heated oxygen sensor (HO2S), bank 1, heating. Signal too low
ECM-2450 Front heated oxygen sensor (HO2S), bank 1. Faulty signal
ECM-245B Front heated oxygen sensor (HO2S), bank 1. Signal missing
ECM-245C Front heated oxygen sensor (HO2S), bank 1. Signal too high
ECM-245D Front heated oxygen sensor (HO2S), bank 1. Signal too low
ECM-246B Front heated oxygen sensor (HO2S), bank 1. Signal missing
ECM-2470 Front heated oxygen sensor (HO2S), bank 1. Faulty signal
ECM-247B Front heated oxygen sensor (HO2S), bank 1. Signal missing
ECM-247C Front heated oxygen sensor (HO2S), bank 1. Signal too high
ECM-248C Front heated oxygen sensor (HO2S), bank 1. Signal too high
ECM-248D Front heated oxygen sensor (HO2S), bank 1. Signal too low
ECM-249B Front heated oxygen sensor (HO2S), bank 1. Signal missing
ECM-24A0 Switched front heated oxygen sensors (HO2S). Faulty signal
ECM-24AB Front heated oxygen sensor (HO2S), bank 1. Signal missing
ECM-24B0 Front heated oxygen sensor (HO2S), bank 1. Faulty signal
ECM-24BB Front heated oxygen sensor (HO2S), bank 1. Signal missing
ECM-24BC Front heated oxygen sensor (HO2S), bank 1. Signal too high
ECM-24BD Front heated oxygen sensor (HO2S), bank 1. Signal too low
ECM-24C0 Front heated oxygen sensor (HO2S), bank 1. Faulty signal
ECM-273D Engine coolant temperature (ECT) sensor. Signal too low
ECM-2740 Engine coolant temperature (ECT) sensor. Faulty signal
ECM-274C Engine coolant temperature (ECT) sensor. Signal too high
ECM-274D Engine coolant temperature (ECT) sensor. Signal too low
ECM-275C Engine coolant temperature (ECT) sensor. Signal too high
ECM-275D Engine coolant temperature (ECT) sensor. Signal too low
ECM-2800 Fuel pressure sensor. Signal too low
ECM-280B Fuel pressure sensor. Signal missing
ECM-280C Fuel pressure sensor. Signal too high
ECM-280D Fuel pressure sensor. Signal too low
ECM-2900 Fuel pressure. Faulty signal
ECM-290B Fuel pressure. Signal missing
ECM-290C Fuel pressure. Signal too high
ECM-290D Fuel pressure. Signal too low
ECM-291B Fuel pump control module. Signal missing
ECM-291C Fuel pump control module. Signal too high
ECM-291D Fuel pump control module. Signal too low
ECM-2A00 Fuel temperature sensor. Faulty signal
ECM-2A0B Fuel temperature sensor. Signal missing
ECM-2A0C Fuel temperature sensor. Signal too high
ECM-2A0D Fuel temperature sensor. Signal too low
ECM-2A10 Fuel temperature sensor. Signal too high
ECM-2A1B Fuel temperature sensor. Signal too low
ECM-2A1C Fuel temperature sensor. Signal too high
ECM-2A1D Fuel temperature sensor. Signal too low
ECM-2B00 Thermostat. Faulty signal
ECM-3000 Engine control module (ECM), internal fault. Faulty signal
ECM-3010 Engine control module (ECM), internal fault. Faulty signal
ECM-3020 Engine control module (ECM), internal fault. Faulty signal
ECM-303C Front knock sensor (KS). Signal too high
ECM-303D Front knock sensor (KS). Signal too low
ECM-304C Rear knock sensor (KS). Signal too high
ECM-304D Rear knock sensor (KS). Signal too low
ECM-3100 Misfire, at least one cylinder. Start up
ECM-310C Misfire, at least one cylinder. Catalytic converter damage
ECM-310D Misfire, at least one cylinder. Affects emissions
ECM-3110 Misfire cylinder 1. Start up
ECM-311C Misfire cylinder 1. Catalytic converter damage
ECM-311D Misfire cylinder 1. Emissions impact
ECM-3120 Misfire cylinder 2. Start up
ECM-312C Misfire cylinder 2. Catalytic converter damage
ECM-312D Misfire cylinder 2. Emissions impact
ECM-3130 Misfire cylinder 3. Start up
ECM-313C Misfire cylinder 3. Catalytic converter damage
ECM-313D Misfire cylinder 3. Emissions impact
ECM-3140 Misfire cylinder 4. Start up
ECM-314C Misfire cylinder 4. Catalytic converter damage
ECM-314D Misfire cylinder 4. Emissions impact
ECM-3150 Misfire cylinder 5. Start up
ECM-315C Misfire cylinder 5. Catalytic converter damage
ECM-315D Misfire cylinder 5. Emissions impact
ECM-330B Engine speed (RPM) sensor. Signal missing
ECM-3400 Camshaft position (CMP) sensor, intake. Faulty signal
ECM-340B Camshaft position (CMP) sensor, intake. Signal missing
ECM-340C Camshaft position sensor, intake. Signal too high
ECM-340D Camshaft position sensor, intake. Signal too low
ECM-3410 Camshaft position (CMP) sensor, exhaust. Faulty signal
ECM-341B Camshaft position (CMP) sensor, exhaust. Signal missing
ECM-341C Camshaft position sensor, exhaust. Signal too high
ECM-341D Camshaft position sensor, exhaust. Signal too low
ECM-350B Ignition coil cylinder 1, signal. Signal missing
ECM-350C Ignition coil cylinder 1, signal. Signal too high
ECM-350D Ignition coil cylinder 1, signal. Signal too low
ECM-351B Ignition coil cylinder 2, signal. Signal missing
ECM-351C Ignition coil cylinder 2, signal. Signal too high
ECM-351D Ignition coil cylinder 2, signal. Signal too low
ECM-352B Ignition coil cylinder 3, signal. Signal missing
ECM-352C Ignition coil cylinder 3, signal. Signal too high
ECM-352D Ignition coil cylinder 3, signal. Signal too low
ECM-353B Ignition coil cylinder 4, signal. Signal missing
ECM-353C Ignition coil cylinder 4, signal. Signal too high
ECM-353D Ignition coil cylinder 4, signal. Signal too low
ECM-354B Ignition coil cylinder 5, signal. Signal missing
ECM-354C Ignition coil cylinder 5, signal. Signal too high
ECM-354D Ignition coil cylinder 5, signal. Signal too low
ECM-400C Three-way catalytic converter (TWC) efficiency, bank 1. Signal too high
ECM-401C Three-way catalytic converter (TWC) efficiency, bank 2. Signal too high
ECM-420C Evaporative emission system (EVAP) valve. Open
ECM-420D Evaporative emission system (EVAP). Closed
ECM-421B Canister purge (CP) valve. Signal missing
ECM-421C Evaporative emission system (EVAP) valve. Signal too high
ECM-421D Evaporative emission system (EVAP) valve. Signal too low
ECM-430C Fuel tank system, leakage. Fuel tank filler cap missing
ECM-431B Leak diagnostic unit, preheating. Signal missing
ECM-431C Leak diagnostic unit, preheating. Signal too high
ECM-431D Leak diagnostic unit, preheating. Signal too low
ECM-432B Leak diagnostic unit, valve. Signal missing
ECM-432C Leak diagnostic unit, preheating. Signal too high
ECM-432D Leak diagnostic unit, preheating. Signal too low
ECM-433B Leak diagnostic unit, pump. Signal missing
ECM-433C Leak diagnostic unit, pump. Signal too high
ECM-433D Leak diagnostic unit, pump. Signal too low
ECM-434C Fuel tank system, leakage. Minor leak
ECM-4360 Leak diagnostic unit. Faulty signal
ECM-436B Leak diagnostic unit. Signal missing
ECM-436C Leak diagnostic unit. Signal too high
ECM-436D Leak diagnostic unit. Signal too low
ECM-4380 Fuel tank filler cap. Missing
ECM-439C Fuel tank system, leakage. Major leak
ECM-4400 Fuel level sensor. Faulty signal
ECM-440B Fuel level sensor. Signal missing
ECM-440C Fuel level sensor. Signal too high
ECM-440D Fuel level sensor. Signal too low
ECM-4420 Fuel level sensor. Faulty signal
ECM-443B Fuel level sensor. Signal too low
ECM-443C Fuel level sensor. Signal too high
ECM-443D Fuel level sensor. Signal missing
ECM-5000 Engine speed (RPM) sensor signal. Faulty signal
ECM-500B Engine speed (RPM) sensor signal. Signal missing
ECM-500C Engine speed (RPM) sensor signal. Signal too high
ECM-500D Engine speed (RPM) sensor signal. Signal too low
ECM-5100 Malfunction indicator lamp (MIL), TCM. Faulty signal
ECM-5110 Malfunction indicator lamp (MIL), CEM. Faulty signal
ECM-512B Malfunction indicator lamp (MIL) communication. Signal missing
ECM-5130 Malfunction indicator lamp (MIL), TCM. Faulty signal
ECM-513B Malfunction indicator lamp (MIL), transmission control module (TCM). Signal missing
ECM-5200 Air conditioning (A/C) pressure sensor. Faulty signal
ECM-520B Air conditioning (A/C) pressure sensor. Signal missing
ECM-520C Air conditioning (A/C) pressure sensor. Signal too high
ECM-520D Air conditioning (A/C) pressure sensor. Signal too low
ECM-5300 Vehicle speed signal. Faulty signal
ECM-530B Vehicle speed signal. Signal missing
ECM-530C Speed signal. Signal too high
ECM-530D Speed signal. Signal too low
ECM-540B Oil grade, level and temperature sensor. Faulty signal
ECM-540C Oil grade, level and temperature sensor. Signal too high
ECM-540D Oil grade, level and temperature sensor. Signal too low
ECM-5500 Oil level. Faulty signal
ECM-550D Oil level. Signal too low
ECM-600B Turbocharger (TC) control valve. Signal missing. Intermittent fault
ECM-600B Turbocharger (TC) control valve. Signal missing. Permanent fault
ECM-600C Turbocharger (TC) control valve. Signal too high. Intermittent fault
ECM-600C Turbocharger (TC) control valve. Signal too high. Permanent fault
ECM-600D Turbocharger (TC) control valve. Signal too low. Intermittent fault
ECM-600D Turbocharger (TC) control valve. Signal too low. Permanent fault
ECM-601C Turbocharger (TC) control system, boost pressure fault. Signal too high
ECM-602D Turbocharger (TC) control system, flow fault. Signal too low
ECM-6110 Camshaft position control, intake. Slow
ECM-611B Camshaft control, intake. Faulty
ECM-612B Camshaft reset valve, intake. Signal missing
ECM-612C Camshaft reset valve, intake. Signal too high
ECM-612D Camshaft reset valve, intake. Signal too low
ECM-6140 Camshaft control, exhaust. Slow
ECM-614B Camshaft control, exhaust. Faulty
ECM-616B Camshaft reset valve, exhaust. Signal missing
ECM-616C Camshaft reset valve, exhaust. Signal too high
ECM-616D Camshaft reset valve, exhaust. Signal too low
ECM-6200 Engine cooling fan (FC) control module. Faulty signal
ECM-620B Engine cooling fan control module. Signal too low
ECM-620C Engine cooling fan (FC) control module. Signal too high
ECM-620D Engine cooling fan (FC) control module. Signal too low
ECM-6220 Engine cooling fan (FC). Faulty signal
ECM-630B A/C relay. Signal missing. Intermittent fault
ECM-630B A/C relay. Signal missing. Permanent fault
ECM-630C A/C relay. Signal too high. Intermittent fault
ECM-630C A/C relay. Signal too high. Permanent fault
ECM-630D A/C relay. Signal too low. Intermittent fault
ECM-630D A/C relay. Signal too low. Permanent fault
ECM-640C Turbocharger (TC) control system. Signal too high
ECM-640D Turbocharger (TC) control system. Signal too low
ECM-650B Engine cooling fan (FC). Signal missing
ECM-650C Engine cooling fan (FC). Signal too high
ECM-650D Engine cooling fan (FC). Signal too low
ECM-660B Malfunction indicator lamp (MIL). Signal missing
ECM-660C Malfunction indicator lamp (MIL). Signal too high
ECM-660D Malfunction indicator lamp (MIL). Signal too low
ECM-670C Camshaft position, intake. High
ECM-670D Camshaft position, intake. Low
ECM-671C Camshaft position, exhaust. High
ECM-671D Camshaft position, exhaust. Low
ECM-680B Engine cooling fan (FC) control modules. Signal missing
ECM-680C Engine cooling fan (FC) control modules. Signal too high
ECM-680D Engine cooling fan (FC) control modules. Signal too low
ECM-700C Engine control module (ECM), internal fault. Signal too high
ECM-700D Engine control module (ECM), internal fault. Signal too low
ECM-7010 Engine control module (ECM), high temperature. Faulty signal
ECM-7020 Engine control module (ECM), high temperature. Faulty signal
ECM-7100 Immobilizer communication. Faulty signal
ECM-710B Immobilizer communication. Signal missing
ECM-720B Engine control module (ECM) internal fault. Signal missing
ECM-7300 Gear position sensor. Faulty signal
ECM-800B System relay. Signal too low
ECM-810C 5 volt power supply. Signal too high
ECM-810D 5 volt power supply. Signal too low
ECM-8200 Battery voltage. Faulty signal
ECM-820C Battery voltage. Signal too high
ECM-820D Battery voltage. Signal too low
ECM-8210 System relay. Faulty signal
ECM-821B System relay. Signal missing
ECM-9000 Brake pedal sensor. Faulty signal
ECM-900B Brake pedal sensor. Signal missing
ECM-900C Brake pedal sensor. Signal too high
ECM-9100 Clutch pedal position sensor. Faulty signal
ECM-910B Clutch pedal sensor. Signal missing
ECM-910C Clutch pedal sensor. Signal too high
ECM-910D Clutch pedal sensor. Signal too low
ECM-9200 Throttle position (TP) sensor. Faulty signal
ECM-9210 Electronic throttle unit, potentiometer 1. Faulty signal
ECM-921C Electronic throttle unit, potentiometer 1. Signal too high
ECM-921D Electronic throttle unit, potentiometer 1. Signal too low
ECM-9220 Electronic throttle unit, potentiometer 2. Faulty signal
ECM-922C Electronic throttle unit, potentiometer 2. Signal too high
ECM-922D Electronic throttle unit, potentiometer 2. Signal too low
ECM-9240 Engine control module (ECM). Faulty signal
ECM-925C Electronic throttle unit. Signal too high
ECM-925D Electronic throttle unit. Signal too low
ECM-926C Electronic throttle unit. Signal too high
ECM-926D Electronic throttle unit. Signal too low
ECM-9270 Throttle unit. Faulty signal
ECM-9280 Throttle unit. Faulty signal
ECM-9290 Engine control module (ECM). Faulty signal
ECM-929C Engine control module (ECM). Signal too high
ECM-929D Engine control module (ECM). Signal too low
ECM-92B0 Electronic throttle unit. Faulty signal
ECM-92CC Electronic throttle unit. Signal too high
ECM-92CD Electronic throttle unit. Signal too low
ECM-92D0 Electronic throttle unit. Faulty signal
ECM-92E0 Engine control module (ECM). Internal fault
ECM-9300 Control module communication problems. Faulty signal
ECM-930B Control module communication problems. Signal missing
ECM-930C Control module, communication problems. Signal too high
ECM-930D Control module communication problems. Signal too low
ECM-9400 Accelerator pedal (AP) position sensor, analog signal. Faulty signal
ECM-940C Accelerator pedal (AP) position sensor, analog signal. Signal too high
ECM-940D Accelerator pedal (AP) position sensor, analog signal. Signal too low
ECM-941C Accelerator pedal (AP) position sensor, digital signal. Signal too high
ECM-941D Accelerator pedal (AP) position sensor, digital signal. Signal too low
ECM-951C Engine control module (ECM), idle air trim. Signal too high
ECM-951D Engine control module (ECM), idle air trim. Signal too low
ECM-960C Engine control module (ECM), torque signal. Internal fault
ECM-9700 Accelerator pedal (AP) position sensor, digital signal. Faulty signal
ECM-970B Accelerator pedal (AP) position sensor, digital signal. Signal missing
ECM-9800 Engine control module (ECM), torque signal. Internal fault
ECM-9810 Engine control module (ECM), engine speed (RPM). Internal fault
ECM-9820 Engine control module (ECM), load signal. Internal fault
ECM-983B Engine control module (ECM). Internal fault
ECM-983C Engine control module (ECM). Internal fault
ECM-983D Engine control module (ECM). Internal fault
ECM-9840 Engine control module (ECM). Internal fault
ECM-984B Engine control module (ECM). Internal fault
ECM-9850 Engine control module (ECM). Internal fault
ECM-9860 Engine control module (ECM). Internal fault
ECM-9970 Memory fault in RAM. Faulty signal
ECM-9980 Memory fault in ROM. Faulty signal
ECM-9990 Engine control module (ECM). Faulty signal
ECM-A12B Speed signal. Signal missing
ECM-A12C Speed signal. Signal too high
ECM-A130 Control module communication
ECM-E000 Control module communication. Internal fault
ECM-E003 Configuration fault. Faulty signal
ECM-XXXX Unknown diagnostic trouble code (DTC) for the current control module version