Overview
Diagnostic data for the MJ8F3
- Manufacturer
- Marelli
- Mapped codes
- 174
- With description
- 135
Map Decoder stores 174 distinct diagnostic trouble codes for the Marelli MJ8F3. Each one carries the address and the byte values measured on a real file, which is what lets a removal write the value the ECU actually expects instead of a guessed constant. See DTC removal for the workflow.
Code list
MJ8F3 diagnostic trouble codes
| Code | Description |
|---|---|
P0001 | — |
P0002 | Fuel volume regulator control -circuit range/performance |
P0045 | Turbo/super charger boost control solenoid -circuit open |
P0069 | Manifold absolute pressure (MAP) sensor/barometric pressure (BARO) sensor correlation |
P0087 | Fuel rail/system pressure too low |
P0089 | Fuel pressure regulator -performance problem |
P0090 | Fuel metering solenoid -open circuit |
P0095 | Intake air temperature (IAT) sensor 2 -circuit malfunction |
P0096 | Intake air temperature (IAT) sensor 2 -circuit range/performance |
P0100 | Mass air flow (MAF) sensor/volume air flow (VAF) . sensor circuit malfunction |
P0101 | Mass air flow (MAF) sensor/volume air flow (VAF) sensor range/performance problem |
P0110 | Intake air temperature (IAT) sensor -circuit malfunction |
P0111 | 'Intake air temperature (IAT) sensor''' range/performance problem' |
P0115 | Engine coolant temperature -(ECT) sensor circuit malfunction |
P0116 | Engine coolant temperature (ECT) sensor range/performance problem |
P0120 | Throttle position (TP) sensor A/accelerator pedal position (APP) sensor A -circuit malfunction |
P0127 | Intake air temperature too high |
P0130 | Heated oxygen sensor (HO2S) 1, bank 1 -circuit malfunction |
P0168 | Fuel temperature too high |
P0172 | System too rich, bank 1 |
P0180 | Fuel temperature sensor A -circuit malfunction |
P0181 | Fuel temperature sensor A -range/performance problem |
P0190 | Fuel rail pressure (FRP) sensor -circuit malfunction |
P0201 | Injector 1 -circuit malfunction |
P0202 | Injector 2 -circuit malfunction |
P0203 | Injector 3 -circuit malfunction |
P0204 | Injector 4 -circuit malfunction |
P0217 | Engine over temperature condition |
P0219 | Engine over speed condition |
P0220 | Throttle position (TP) sensor B/accelerator pedal position (APP) sensor B -circuit malfunction |
P0230 | Fuel pump relay -circuit malfunction |
P0234 | Engine boost condition -limit exceeded |
P0235 | Manifold absolute pressure (MAP) sensor A, TC system circuit malfunction |
P0236 | Manifold absolute pressure (MAP) sensor A, TC system range/performance problem |
P0237 | Manifold absolute pressure (MAP) sensor A, TC system low input |
P0238 | Manifold absolute pressure (MAP) sensor A, TC system high input |
P0262 | Injector 1 -circuit high |
P0265 | Injector 2 -circuit high |
P0268 | Injector 3 -circuit high |
P0271 | Injector 4 -circuit high |
P0335 | Crankshaft position (CKP) sensor -circuit malfunction |
P0340 | Camshaft position (CMP) sensor A, bank 1 circuit malfunction |
P0380 | Glow plugs, circuit A -malfunction |
P0383 | Glow plug control module -circuit low |
P0401 | Exhaust gas recirculation (EGR) system -insufficient flow detected |
P0402 | Exhaust gas recirculation (EGR) system -excessive flow detected |
P0404 | Exhaust gas recirculation (EGR) system range/performance problem |
P0409 | Exhaust gas recirculation (EGR) sensor A circuit malfunction |
P0480 | Engine coolant blower motor 1 -circuit malfunction |
P0481 | Engine coolant blower motor 2 -circuit malfunction |
P0482 | Engine coolant blower motor 3 -circuit malfunction |
P0486 | Exhaust gas recirculation (EGR) valve position sensor B -circuit malfunction |
P0487 | Exhaust gas recirculation (EGR) system, throttle position control -circuit malfunction |
P0488 | Exhaust gas recirculation (EGR) system, throttle position control -range/performance |
P0489 | Exhaust gas recirculation (EGA) system -circuit low |
P0490 | Exhaust gas recirculation (EGA) system -circuit high |
P0500 | Vehicle speed sensor (VSS) -circuit malfunction |
P0501 | Vehicle speed sensor (VSS) -range/performance problem |
P0504 | Brake switch -A/B correlation |
P0512 | Starter request circuit -malfunction |
P0520 | Engine oil pressure sensor/switch -circuit malfunction |
P0521 | Engine oil pressure sensor/switch -range/performance problem |
P0524 | Engine oil pressure too low |
P0530 | AC refrigerant pressure sensor -circuit malfunction |
P0555 | Brake servo pressure sensor -circuit malfunction |
P0560 | System voltage malfunction |
P0564 | Cruise control system, multi -function switch input A -circuit malfunction |
P0576 | Cruise control system -input circuit low |
P0579 | Cruise control system, multi -function switch input A circuit range/performance |
P0601 | Engine control module (ECM) -memory check sum error |
P0603 | Engine control module (ECM) -KAM error |
P0604 | Engine control module (ECM) -RAM error |
P0605 | Engine control module (ECM) -ROM error |
P060B | Internal Control Module A/D Processing Performance |
P060C | Internal Control Module Main Processor Performance |
P060E | Internal Control Module Throttle Position Performance |
P060F | Internal Control Module Coolant Temperature Performance |
P0611 | Fuel injector control module -performance problem |
P0615 | Starter motor relay -circuit malfunction |
P061D | Internal Control Module Engine Air Mass Performance |
P061F | Internal Control Module Throttle Actuator Controller Performance |
P0621 | Alternator warning lamp -circuit malfunction |
P062D | Fuel Injector Driver Circuit Performance |
P0638 | Throttle actuator control, bank 1 -range/performance problem |
P0639 | Throttle actuator control, bank 2 -range/performance |
P0641 | Sensor reference voltage A -circuit open |
P0645 | Air conditioning (AC) |
P0651 | Sensor reference voltage B -circuit open |
P0657 | Actuator supply voltage -circuit open |
P065A | Generator System Performance |
P065B | Generator Control Circuit Range/Performance |
P0670 | Glow plug control module -circuit malfunction |
P0671 | Glow plug, cylinder 1 -circuit malfunction |
P0672 | Glow plug, cylinder 2 -circuit malfunction |
P0673 | Glow plug, cylinder 3 -circuit malfunction |
P0674 | Glow plug, cylinder 4 -circuit malfunction |
P0683 | Glow plug control module/ECM/PCM communication -malfunction |
P0684 | Glow plug control module/ECM/PCM communication range/performance |
P0685 | ECM/PCM power relay -circuit open |
P068A | ECM/PCM Power Relay De-Energized Performance - Too Early |
P0697 | Sensor reference voltage C -circuit open |
P0704 | Clutch pedal position(CPP) switch -circuit malfunction |
P0805 | Clutch position sensor -circuit malfunction |
P0806 | Clutch position sensor -range/performance problem |
P080A | Clutch Position Not Learned |
P0812 | Reverse gear -input circuit malfunction |
P081D | Neutral Input Circuit |
P0A1A | Generator Control Module |
P1205 | — |
P1206 | — |
P1215 | — |
P1219 | — |
P1301 | — |
P1302 | — |
P1303 | — |
P1304 | — |
P1306 | — |
P1512 | — |
P1540 | — |
P1541 | — |
P1542 | — |
P1543 | — |
P1563 | — |
P1564 | — |
P1580 | — |
P1581 | — |
P1582 | — |
P1612 | — |
P181D | — |
P1850 | — |
P1851 | — |
P2002 | Diesel Particulate Filter Efficiency Below Threshold Bank 1 |
P2080 | Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 1 |
P2081 | Exhaust Gas Temperature Sensor Circuit Intermittent Bank 1 Sensor 1 |
P2084 | Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 2 |
P2085 | Exhaust Gas Temperature Sensor Circuit Intermittent Bank 1 Sensor 2 |
P2100 | Throttle Actuator 'A' Control Motor Circuit/Open |
P2111 | Throttle Actuator Control System - Stuck Open |
P2112 | Throttle Actuator Control System - Stuck Closed |
P2135 | Throttle/Pedal Pos Sensor/Switch A / B Voltage Correlation |
P2146 | Fuel Injector Group 'A' Supply Voltage Circuit/Open |
P2148 | Fuel Injector Group 'A' Supply Voltage Circuit High |
P2151 | Fuel Injector Group 'B' Supply Voltage Circuit High |
P2226 | Barometric Pressure Sensor 'A' Circuit |
P2231 | O2 Sensor Signal Circuit Shorted to Heater Circuit Bank 1 Sensor 1 |
P2244 | O2 Sensor Reference Voltage Performance Bank 1 Sensor 1 |
P2248 | O2 Sensor Reference Voltage Performance Bank 2 Sensor 1 |
P2264 | Water in Fuel Sensor Circuit |
P2299 | Brake Pedal Position/Accelerator Pedal Position Incompatible |
P2452 | Diesel Particulate Filter Pressure Sensor 'A' Circuit |
P2453 | Diesel Particulate Filter Pressure Sensor 'A' Circuit Range/Performance |
P2454 | Diesel Particulate Filter Pressure Sensor 'A' Circuit Low |
P2455 | Diesel Particulate Filter Pressure Sensor 'A' Circuit High |
P2456 | Diesel Particulate Filter Pressure Sensor 'A' Circuit Intermittent/Erratic |
P245B | Exhaust Gas Recirculation Cooler Bypass Control Circuit Range/Performance |
P250A | Engine Oil Level Sensor Circuit |
P253F | Engine Oil Deteriorated |
P2562 | Turbocharger Boost Control Position Sensor 'A' Circuit |
P2563 | Turbocharger Boost Control Position Sensor 'A' Circuit Range/Performance |
U0001 | — |
U0405 | — |
U0412 | — |
U0413 | — |
U0422 | — |
U0426 | — |
U0427 | — |
U1405 | — |
U1406 | — |
U1407 | — |
U1601 | — |
U1700 | — |
U1706 | — |
U1801 | — |
U3010 | — |
FAQ
Marelli MJ8F3 DTC codes — frequently asked questions
How many DTC codes does Map Decoder have for the MJ8F3?
174 distinct diagnostic trouble codes, 135 of them with a description.
Where do these codes come from?
Each entry was measured on a real file: the address, the enabled value and the disabled value were read from an original and a modified binary. Nothing here is a generic OBD-II lookup table.
Can these codes be switched off on the MJ8F3?
Yes — Map Decoder writes the value that was observed on this ECU rather than a guessed constant, and corrects the checksum afterwards.
Remove DTC codes on Marelli MJ8F3
Map Decoder analyses Marelli MJ8F3 files, detects the maps and generates a verified patch with the checksum corrected.