Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2003 Volvo XC70FACTORY OEM SERVICE PROCEDURE
Engine Control Module (ECM) DTCS - B5254T2
ENGINE CONTROL MODULE (ECM) - DTC INDEX
| OBD-II Code | DTC | Description |
|---|---|---|
| P0107 P0108 | ECM-1000 | Control module. Signal too high/Signal too low. Intermittent fault |
| P0107 P0108 | ECM-1000 | Control module. Signal too high/Signal too low. Permanent fault |
| P0071 P0072 | ECM-1100 | Outside temperature sensor. Faulty signal |
| P0073 | ECM-1100 | Outside temperature sensor. Signal too high |
| P0072 | ECM-1100 | Outside temperature sensor. Signal too low |
| P0112 | ECM-1200 | Intake Air Temperature (IAT) Sensor. Signal too high |
| P0113 | ECM-1200 | Intake Air Temperature (IAT) Sensor. Signal too low |
| P0111 | ECM-1200 | Intake air temperature (IAT). Faulty signal |
| P0103 | ECM-1300 | Mass air flow (MAF) sensor. Flow too high. Intermittent fault |
| P0103 | ECM-1300 | Mass air flow (MAF) sensor. Flow too high. Permanent fault |
| P0102 | ECM-1300 | Mass air flow (MAF) sensor. Flow too low. Intermittent fault |
| P0102 | ECM-1300 | Mass air flow (MAF) sensor. Flow too low. Permanent fault |
| P0101 | ECM-130A | Intake air leakage. Faulty signal |
| P0235 P0237 | ECM-1600 | Boost pressure sensor. Faulty signal |
| P0238 | ECM-1600 | Boost pressure sensor. Signal too high |
| P0237 | ECM-1600 | Boost pressure sensor. Signal too low |
| P0236 | ECM-170F | Atmospheric pressure sensor/boost pressure sensor range check. Faulty signal |
| P0125 | ECM-2000 | Engine coolant temperature (ECT) sensor. Faulty signal |
| P0117 | ECM-2000 | Engine coolant temperature (ECT) sensor. Signal too high |
| P0118 | ECM-2000 | Engine coolant temperature (ECT) sensor. Signal too low |
| P0128 | ECM-201A | Thermostat. Faulty signal |
| P0201 | ECM-2310 | Injector 1. Signal missing. Intermittent fault |
| P0201 | ECM-2310 | Injector 1. Signal missing. Permanent fault |
| P0201 | ECM-2310 | Injector 1. Signal to high. Intermittent fault |
| P0201 | ECM-2310 | Injector 1. Signal to high. Permanent fault |
| P0201 | ECM-2310 | Injector 1. Signal to low. Intermittent fault |
| P0201 | ECM-2310 | Injector 1. Signal to low. Permanent fault |
| P0202 | ECM-2320 | Injector 2. Signal missing. Intermittent fault |
| P0202 | ECM-2320 | Injector 2. Signal missing. Permanent fault |
| P0202 | ECM-2320 | Injector 2. Signal to high. Intermittent fault |
| P0202 | ECM-2320 | Injector 2. Signal to high. Permanent fault |
| P0202 | ECM-2320 | Injector 2. Signal to low. Intermittent fault |
| P0202 | ECM-2320 | Injector 2. Signal to low. Permanent fault |
| P0203 | ECM-2330 | Injector 3. Signal missing. Intermittent fault |
| P0203 | ECM-2330 | Injector 3. Signal missing. Permanent fault |
| P0203 | ECM-2330 | Injector 3. Signal to high. Intermittent fault |
| P0203 | ECM-2330 | Injector 3. Signal to high. Permanent fault |
| P0203 | ECM-2330 | Injector 3. Signal to low. Intermittent fault |
| P0203 | ECM-2330 | Injector 3. Signal to low. Permanent fault |
| P0204 | ECM-2340 | Injector 4. Signal missing. Intermittent fault |
| P0204 | ECM-2340 | Injector 4. Signal missing. Permanent fault |
| P0204 | ECM-2340 | Injector 4. Signal to high. Intermittent fault |
| P0204 | ECM-2340 | Injector 4. Signal to high. Permanent fault |
| P0204 | ECM-2340 | Injector 4. Signal to low. Intermittent fault |
| P0204 | ECM-2340 | Injector 4. Signal to low. Permanent fault |
| P0205 | ECM-2350 | Injector 5. Signal missing. Intermittent fault |
| P0205 | ECM-2350 | Injector 5. Signal missing. Permanent fault |
| P0205 | ECM-2350 | Injector 5. Signal to high. Intermittent fault |
| P0205 | ECM-2350 | Injector 5. Signal to high. Permanent fault |
| P0205 | ECM-2350 | Injector 5. Signal to low. Intermittent fault |
| P0205 | ECM-2350 | Injector 5. Signal to low. Permanent fault |
| P0230 | ECM-2400 | Fuel pump (FP) relay. Signal missing. Intermittent fault |
| P0230 | ECM-2400 | Fuel pump (FP) relay. Signal missing. Permanent fault |
| P0232 | ECM-2400 | Fuel pump (FP) relay. Signal too high. Intermittent fault |
| P0232 | ECM-2400 | Fuel pump (FP) relay. Signal too high. Permanent fault |
| P0231 | ECM-2400 | Fuel pump (FP) relay. Signal too low. Intermittent fault |
| P0231 | ECM-2400 | Fuel pump (FP) relay. Signal too low. Permanent fault |
| P2192 | ECM-260A | Long-term fuel trim. Lower limit |
| P2191 | ECM-260A | Long-term fuel trim. Upper limit |
| P2178 | ECM-261A | Long-term fuel trim. Lower limit |
| P2177 | ECM-261A | Long-term fuel trim. Upper limit |
| P2188 | ECM-262A | Long-term fuel trim. Lower limit |
| P2187 | ECM-262A | Long-term fuel trim. Upper limit |
| P1179 | ECM-268A | Long-term fuel trim. Faulty signal |
| P1178 | ECM-268A | Long-term fuel trim. Lower limit |
| P1177 | ECM-268A | Long-term fuel trim. Upper limit |
| P0130 P0133 P0134 | ECM-280A | Front heated oxygen sensor (HO2S), bank 1. Faulty signal. Intermittent fault |
| P0130 P0133 P0134 | ECM-280A | Front heated oxygen sensor (HO2S), bank 1. Faulty signal. Permanent fault |
| P0130 | ECM-280A | Front heated oxygen sensor (HO2S), bank 1. Signal missing. Intermittent fault |
| P0130 | ECM-280A | Front heated oxygen sensor (HO2S), bank 1. Signal missing. Permanent fault |
| P0132 | ECM-280A | Front heated oxygen sensor (HO2S), bank 1. Signal too high. Intermittent fault |
| P0132 | ECM-280A | Front heated oxygen sensor (HO2S), bank 1. Signal too high. Permanent fault |
| P0133 | ECM-280A | Front heated oxygen sensor (HO2S), bank 1. Signal too low. Intermittent fault |
| P0133 | ECM-280A | Front heated oxygen sensor (HO2S), bank 1. Signal too low. Permanent fault |
| P0030 P0031 | ECM-2810 | Front heated oxygen sensor (HO2S), bank 1 heating. Faulty signal. Intermittent fault |
| P0030 P0031 | ECM-2810 | Front heated oxygen sensor (HO2S), bank 1 heating. Faulty signal. Permanent fault |
| P0030 | ECM-2810 | Front heated oxygen sensor (HO2S), bank 1 heating. Signal missing. Intermittent fault |
| P0030 | ECM-2810 | Front heated oxygen sensor (HO2S), bank 1 heating. Signal missing. Permanent fault |
| P0032 | ECM-2810 | Front heated oxygen sensor (HO2S), bank 1 heating. Signal too high. Intermittent fault |
| P0032 | ECM-2810 | Front heated oxygen sensor (HO2S), bank 1 heating. Signal too high. Permanent fault |
| P0031 | ECM-2810 | Front heated oxygen sensor (HO2S), bank 1 heating. Signal too low. Intermittent fault |
| P0031 | ECM-2810 | Front heated oxygen sensor (HO2S), bank 1 heating. Signal too low. Permanent fault |
| P0137 | ECM-2A0A | Rear heated oxygen sensor (HO2S). Faulty signal |
| P0137 | ECM-2A0A | Rear heated oxygen sensor (HO2S). Signal missing |
| P0137 | ECM-2A0A | Rear heated oxygen sensor (HO2S). Signal too high |
| P0137 | ECM-2A0A | Rear heated oxygen sensor (HO2S). Signal too low |
| P0140 | ECM-2A1A | Rear heated oxygen sensor (HO2S) aging Faulty signal |
| P0140 | ECM-2A1A | Rear heated oxygen sensor (HO2S) aging Signal missing |
| P0140 | ECM-2A1A | Rear heated oxygen sensor (HO2S) aging Signal too low |
| P0140 | ECM-2A1A | Rear heated oxygen sensor (HO2S) aging Signal too high |
| P0036 | ECM-2A20 | Heated oxygen sensor (HO2S) bank 1, preheating. Signal missing |
| P0038 | ECM-2A20 | Heated oxygen sensor (HO2S) bank 1, preheating. Signal too high |
| P0037 | ECM-2A20 | Heated oxygen sensor (HO2S) bank 1, preheating. Signal too low |
| P0340 P0344 | ECM-3000 | Camshaft position (CMP) sensor, intake. Faulty signal or signal missing |
| P0343 | ECM-3000 | Camshaft position (CMP) sensor, intake. Signal too high |
| P0342 | ECM-3000 | Camshaft position (CMP) sensor, intake. Signal too low |
| P0345 P0347 P0349 | ECM-3010 | Camshaft position (CMP) sensor, exhaust. Faulty signal or signal missing |
| P0348 | ECM-3010 | Camshaft position (CMP) sensor, exhaust. Signal too high |
| P0347 | ECM-3010 | Camshaft position (CMP) sensor, exhaust. Signal too low |
| P0300 | ECM-3100 | Engine speed (RPM) sensor. Signal missing |
| P2300 | ECM-3300 | Ignition coil cylinder 1, signal. Signal too low. Permanent fault |
| P0351 | ECM-3300 | Ignition coil cylinder 1, signal. Signal missing. Intermittent fault |
| P0351 | ECM-3300 | Ignition coil cylinder 1, signal. Signal missing. Permanent fault |
| P2301 | ECM-3300 | Ignition coil cylinder 1, signal. Signal too high. Intermittent fault |
| P2301 | ECM-3300 | Ignition coil cylinder 1, signal. Signal too high. Permanent fault |
| P2300 | ECM-3300 | Ignition coil cylinder 1, signal. Signal too low. Intermittent fault |
| P0352 | ECM-3310 | Ignition coil cylinder 2, signal. Signal missing. Intermittent fault |
| P0352 | ECM-3310 | Ignition coil cylinder 2, signal. Signal missing. Permanent fault |
| P2304 | ECM-3310 | Ignition coil cylinder 2, signal. Signal too high. Intermittent fault |
| P2304 | ECM-3310 | Ignition coil cylinder 2, signal. Signal too high. Permanent fault |
| P2303 | ECM-3310 | Ignition coil cylinder 2, signal. Signal too low. Intermittent fault |
| P2303 | ECM-3310 | Ignition coil cylinder 2, signal. Signal too low. Permanent fault |
| P0353 | ECM-3320 | Ignition coil cylinder 3, signal. Signal missing. Intermittent fault |
| P0353 | ECM-3320 | Ignition coil cylinder 3, signal. Signal missing. Permanent fault |
| P2307 | ECM-3320 | Ignition coil cylinder 3, signal. Signal too high. Intermittent fault |
| P2307 | ECM-3320 | Ignition coil cylinder 3, signal. Signal too high. Permanent fault |
| P2306 | ECM-3320 | Ignition coil cylinder 3, signal. Signal too low. Intermittent fault |
| P2306 | ECM-3320 | Ignition coil cylinder 3, signal. Signal too low. Permanent fault |
| P0354 | ECM-3330 | Ignition coil cylinder 4, signal. Signal missing. Intermittent fault |
| P2310 | ECM-3330 | Ignition coil cylinder 4, signal. Signal too high. Intermittent fault |
| P2310 | ECM-3330 | Ignition coil cylinder 4, signal. Signal too high. Permanent fault |
| P2309 | ECM-3330 | Ignition coil cylinder 4, signal. Signal too low. Intermittent fault |
| P2309 | ECM-3330 | Ignition coil cylinder 4, signal. Signal too low. Permanent fault |
| P0354 | ECM-3330 | Ignition coil cylinder 4, signal. Signal missing. Permanent fault |
| P0355 | ECM-3340 | Ignition coil cylinder 5, signal. Signal missing. Intermittent fault |
| P0355 | ECM-3340 | Ignition coil cylinder 5, signal. Signal missing. Permanent fault |
| P2313 | ECM-3340 | Ignition coil cylinder 5, signal. Signal too high. Intermittent fault |
| P2313 | ECM-3340 | Ignition coil cylinder 5, signal. Signal too high. Permanent fault |
| P2312 | ECM-3340 | Ignition coil cylinder 5, signal. Signal too low. Intermittent fault |
| P2312 | ECM-3340 | Ignition coil cylinder 5, signal. Signal too low. Permanent fault |
| P0324 | ECM-3400 | Knock sensor (KS), test pulse. Signal too high/Signal too low. Intermittent fault |
| P0324 | ECM-3400 | Knock sensor (KS), test pulse. Signal too high/Signal too low. Permanent fault |
| P0328 | ECM-3410 | Knock sensor (KS) front. Signal too high. Intermittent fault |
| P0328 | ECM-3410 | Knock sensor (KS) front. Signal too high. Permanent fault |
| P0327 | ECM-3410 | Knock sensor (KS) front. Signal too low. Intermittent fault |
| P0327 | ECM-3410 | Knock sensor (KS) front. Signal too low. Permanent fault |
| P0333 | ECM-3420 | Knock sensor (KS) rear. Signal too high. Intermittent fault |
| P0333 | ECM-3420 | Knock sensor (KS) rear. Signal too high. Permanent fault |
| P0332 | ECM-3420 | Knock sensor (KS) rear. Signal too low. Intermittent fault |
| P0332 | ECM-3420 | Knock sensor (KS) rear. Signal too low. Permanent fault |
| P0324 | ECM-34E0 | Knock sensor (KS), offset. Signal too high/Signal too low. Intermittent fault |
| P0324 | ECM-34E0 | Knock sensor (KS), offset. Signal too high/Signal too low. Permanent fault |
| P0324 | ECM-34F0 | Knock sensor (KS), test pulse. Signal too high/Signal too low. Intermittent fault |
| P0324 | ECM-34F0 | Knock sensor (KS), test pulse. Signal too high/Signal too low. Permanent fault |
| P0300 | ECM-3503 | Misfire, at least one cylinder. Emissions impact / catalytic converter damage |
| P0301 | ECM-3513 | Misfire cylinder 1. Emissions impact / catalytic converter damage |
| P0302 | ECM-3523 | Misfire cylinder 2. Emissions impact / catalytic converter damage |
| P0303 | ECM-3533 | Misfire cylinder 3. Emissions impact / catalytic converter damage |
| P0304 | ECM-3543 | Misfire cylinder 4. Emissions impact / catalytic converter damage |
| P0305 | ECM-3553 | Misfire cylinder 5. Emissions impact / catalytic converter damage |
| P0443 | ECM-4000 | Canister purge (CP) valve. Signal missing. Intermittent fault |
| P0443 | ECM-4000 | Canister purge (CP) valve. Signal missing. Permanent fault |
| P0444 | ECM-4000 | Canister purge (CP) valve. Signal too high. Intermittent fault |
| P0444 | ECM-4000 | Canister purge (CP) valve. Signal too high. Permanent fault |
| P0445 | ECM-4000 | Canister purge (CP) valve. Signal too low. Intermittent fault |
| P0445 | ECM-4000 | Canister purge (CP) valve. Signal too low. Permanent fault |
| P0496 | ECM-4007 | Evaporative emission (EVAP) system. Signal too high |
| P0497 | ECM-4007 | Evaporative emission (EVAP) system. Signal too low |
| P0455 P0456 | ECM-400C | Fuel tank system, leakage |
| P0447 | ECM-4010 | Leak diagnostic unit, valve. Signal missing |
| P0446 | ECM-4010 | Leak diagnostic unit, valve. Signal too high |
| P0448 | ECM-4010 | Leak diagnostic unit, valve. Signal too low |
| P2400 | ECM-4024 | Leak diagnostic unit, pump. Signal missing |
| P2402 | ECM-4024 | Leak diagnostic unit, pump. Signal too high |
| P2401 | ECM-4024 | Leak diagnostic unit, pump. Signal too low |
| NA | ECM-404C | Fuel tank system, leakage. Major leak |
| P0461 P0462 P0464 | ECM-4050 | Fuel level sensor. Faulty signal |
| P0464 | ECM-4050 | Fuel level sensor. Signal missing |
| P0463 | ECM-4050 | Fuel level sensor. Signal too high |
| P0462 | ECM-4050 | Fuel level sensor. Signal too low |
| P0460 | ECM-405C | fuel level sensor |
| NA | ECM-406C | Fuel tank system, leakage. Fuel tank filler cap missing |
| P2404 P2405 P2407 | ECM-431D | Leak diagnostic unit. Faulty signal |
| P2407 | ECM-431D | Leak diagnostic unit. Signal missing |
| P2406 | ECM-431D | Leak diagnostic unit. Signal too high |
| P2405 | ECM-431D | Leak diagnostic unit. Signal too low |
| P0457 | ECM-4338 | Fuel tank filler cap missing |
| P0420 | ECM-4801 | Three-way catalytic converter (TWC) efficiency. Intermittent fault |
| P0420 | ECM-4801 | Three-way catalytic converter (TWC) efficiency. Permanent fault |
| P0530 | ECM-5000 | Air conditioning (A/C) pressure sensor. Signal missing. Intermittent fault |
| P0530 | ECM-5000 | Air conditioning (A/C) pressure sensor. Signal missing. Permanent fault |
| P0533 | ECM-5000 | Air conditioning (A/C) pressure sensor. Signal too high. Intermittent fault |
| P0533 | ECM-5000 | Air conditioning (A/C) pressure sensor. Signal too high. Permanent fault |
| P0532 | ECM-5000 | Air conditioning (A/C) pressure sensor. Signal too low. Permanent fault |
| P0532 | ECM-5000 | Air conditioning (A/C) pressure sensor. Signal too low. Intermittent fault |
| P0500 | ECM-510F | Vehicle speed signal |
| P0335 P0336 P0337 | ECM-5200 | Engine speed (RPM) sensor. Faulty signal |
| P0335 | ECM-5200 | Engine speed (RPM) sensor. Signal missing |
| P0338 | ECM-5200 | Engine speed (RPM) sensor. Signal too high |
| P0337 | ECM-5200 | Engine speed (RPM) sensor. Signal too low |
| P0863 | ECM-530B | Control module communication |
| P0700 | ECM-530D | Diagnostic Trouble Code (DTC) in another control module |
| P0602 | ECM-531D | Control module, internal fault |
| P0645 | ECM-6000 | Air conditioning (A/C) relay signal. Signal missing. Intermittent fault |
| P0645 | ECM-6000 | Air conditioning (A/C) relay signal. Signal missing. Permanent fault |
| P0647 | ECM-6000 | Air conditioning (A/C) relay signal. Signal too high. Intermittent fault |
| P0647 | ECM-6000 | Air conditioning (A/C) relay signal. Signal too high. Permanent fault |
| P0646 | ECM-6000 | Air conditioning (A/C) relay signal. Signal too low. Intermittent fault |
| P0646 | ECM-6000 | Air conditioning (A/C) relay signal. Signal too low. Permanent fault |
| P0483 P0484 P0485 P1480 | ECM-6100 | Engine cooling fan control module. Faulty signal. Intermittent fault |
| P0483 P0484 P0485 P1480 | ECM-6100 | Engine cooling fan control module. Faulty signal. Permanent fault |
| P0480 | ECM-6110 | Electric cooling fan relay. No signal. Intermittent fault |
| P0480 | ECM-6110 | Electric cooling fan relay. No signal. Permanent fault |
| P1482 | ECM-6110 | Electric cooling fan relay. Signal too high. Intermittent fault |
| P1482 | ECM-6110 | Electric cooling fan relay. Signal too high. Permanent fault |
| P1481 | ECM-6110 | Electric cooling fan relay. Signal too low. Intermittent fault |
| P1481 | ECM-6110 | Electric cooling fan relay. Signal too low. Permanent fault |
| P1723 | ECM-6220 | ECU-box cooling fan. Signal missing |
| P1721 | ECM-6220 | ECU-box cooling fan. Signal too high |
| P1722 | ECM-6220 | ECU-box cooling fan. Signal too low |
| NA | ECM-6400 | Camshaft reset valve, intake Signal too high |
| P0010 P2088 P2089 | ECM-6400 | Camshaft reset valve, intake Signal too low or signal missing |
| P0011 | ECM-640A | Camshaft control, intake. Faulty signal |
| NA | ECM-6410 | Camshaft reset valve, exhaust. Signal too high |
| P0013 P2090 P2091 | ECM-6410 | Camshaft reset valve, exhaust. Signal too low or signal missing |
| P0014 | ECM-641A | Camshaft control, exhaust. Faulty signal |
| P0016 | ECM-643A | Camshaft position, intake. Signal too high |
| P0016 | ECM-643A | Camshaft position, intake. Signal too low |
| P0017 | ECM-644A | Camshaft position, exhaust. Signal too high |
| P0017 | ECM-644A | Camshaft position, exhaust. Signal too low |
| P0243 | ECM-6800 | Turbocharger (TC) control valve. Signal missing. Permanent fault |
| P0246 | ECM-6800 | Turbocharger (TC) control valve. Signal too high. Intermittent fault |
| P0246 | ECM-6800 | Turbocharger (TC) control valve. Signal too high. Permanent fault |
| P0245 | ECM-6800 | Turbocharger (TC) control valve. Signal too low. Intermittent fault |
| P0245 | ECM-6800 | Turbocharger (TC) control valve. Signal too low. Permanent fault |
| P0243 | ECM-6800 | Turbocharger (TC) control valve. Signal missing. Intermittent fault |
| P0234 | ECM-6805 | Turbocharger (TC) control valve, boost pressure fault. Pressure too high |
| P0299 | ECM-6806 | Turbocharger (TC) control valve, flow fault. Pressure too low |
| P0299 | ECM-6806 | Turbocharger (TC) control valve, flow fault. Pressure too low |
| P1234 | ECM-6814 | Turbocharger (TC) control. Signal too high |
| P0650 | ECM-6B00 | Malfunction indicator lamp (MIL) signal. Signal missing. Intermittent fault |
| P0650 | ECM-6B00 | Malfunction indicator lamp (MIL) signal. Signal missing. Permanent fault |
| P0650 | ECM-6B00 | Malfunction indicator lamp (MIL) signal. Signal too high. Intermittent fault |
| P0650 | ECM-6B00 | Malfunction indicator lamp (MIL) signal. Signal too high. Permanent fault |
| P0650 | ECM-6B00 | Malfunction indicator lamp (MIL) signal. Signal too low. Intermittent fault |
| P0650 | ECM-6B00 | Malfunction indicator lamp (MIL) signal. Signal too low. Permanent fault |
| P0607 | ECM-711A | Engine control module (ECM), internal fault. Signal too high / signal too low. Intermittent fault |
| P0607 | ECM-711A | Engine control module (ECM), internal fault. Signal too high / signal too low. Permanent fault |
| P1638 | ECM-715D | Engine control module (ECM), temperature too high |
| P0634 | ECM-716D | Engine control module (ECM), temperature too high |
| P0668 P0669 | ECM-7180 | Temperature sensor control module. Signal too high/Signal too low. Intermittent fault |
| P0668 P0669 | ECM-7180 | Temperature sensor control module. Signal too high/Signal too low. Permanent fault |
| P0630 P1680 | ECM-720A | Immobilizer communication. Faulty signal. Intermittent fault |
| P1680 | ECM-720A | Immobilizer communication. Signal missing. Intermittent fault |
| P1680 | ECM-720A | Immobilizer communication. Signal missing. Permanent fault |
| P0630 P1680 | ECM-720A | Immobilizer communication. Faulty signal. Permanent fault |
| P0560 P0562 | ECM-8010 | Battery voltage. Faulty signal |
| P0563 | ECM-8010 | Battery voltage. Signal too high |
| P0562 | ECM-8010 | Battery voltage. Signal too low |
| P1554 P1555 | ECM-801A | System relay. Faulty signal or signal missing |
| P0643 | ECM-8410 | 5 volt power supply. Signal too high |
| P0642 | ECM-8410 | 5 volt power supply. Signal too low |
| P2135 | ECM-903C | Throttle position (TP) sensor. Faulty signal |
| P0604 | ECM-9050 | Memory fault in RAM. Internal fault. Intermittent fault |
| P0604 | ECM-9050 | Memory fault in RAM. Internal fault. Permanent fault |
| P0605 | ECM-9060 | Memory fault in ROM. Internal fault. Intermittent fault |
| P0605 | ECM-9060 | Memory fault in ROM. Internal fault. Permanent fault |
| P0606 | ECM-9070 | Engine control module (ECM). Internal fault. Intermittent fault |
| P0606 | ECM-9070 | Engine control module (ECM). Internal fault. Permanent fault |
| P2101 | ECM-9100 | Engine control module (ECM). Faulty signal |
| P2119 | ECM-9117 | Throttle unit. Faulty signal |
| P1286 P1287 | ECM-913C | Throttle unit. Faulty signal |
| P1285 | ECM-913F | Throttle unit. Faulty signal |
| P1293 | ECM-914F | Throttle unit. Faulty signal |
| P0121 P0122 | ECM-9150 | Throttle unit, potentiometer 1. Faulty signal |
| P0123 | ECM-9150 | Throttle unit, potentiometer 1. Signal too high |
| P0122 | ECM-9150 | Throttle unit, potentiometer 1. Signal too low |
| P0221 P0222 | ECM-9160 | Throttle unit, potentiometer 2. Faulty signal |
| P0222 | ECM-9160 | Throttle unit, potentiometer 2. Signal too low |
| P0223 | ECM-9160 | Throttle unit, potentiometer 2. Signal too high |
| P1729 | ECM-9170 | Throttle unit. Faulty signal |
| P2109 | ECM-918A | Engine control module (ECM). Internal fault. Intermittent fault |
| P2109 | ECM-918A | Engine control module (ECM). Internal fault. Permanent fault |
| P2108 | ECM-919A | Engine control module (ECM). Faulty signal |
| P0638 | ECM-91A7 | Throttle unit. Faulty signal |
| P2111 | ECM-91B7 | Throttle unit. Faulty signal |
| P2112 | ECM-91C7 | Throttle unit. Faulty signal |
| P0564 P0579 P0580 P0581 | ECM-928C | Control module, communication problems. Faulty signal |
| P0805 P0807 | ECM-9300 | Clutch pedal position sensor. Faulty signal |
| P0808 | ECM-9300 | Clutch pedal position sensor. Signal too high |
| P0807 | ECM-9300 | Clutch pedal position sensor. Signal too low |
| P0571 P2131 | ECM-9400 | Brake pedal sensor. Faulty signal |
| P0571 | ECM-9400 | Brake pedal sensor. Signal missing |
| P0573 | ECM-9400 | Brake pedal sensor. Signal too high |
| P2126 P2127 | ECM-9520 | Accelerator pedal (AP) position sensor, analog signal. Faulty signal |
| P2128 | ECM-9520 | Accelerator pedal (AP) position sensor, analog signal. Signal too high |
| P2127 | ECM-9520 | Accelerator pedal (AP) position sensor, analog signal. Signal too low |
| P2123 | ECM-9530 | Accelerator pedal (AP) position sensor, digital signal. Signal too high |
| P2122 | ECM-9530 | Accelerator pedal (AP) position sensor, digital signal. Signal too low |
| P2121 | ECM-9540 | Accelerator pedal (AP) position sensor, digital signal. Faulty signal |
| P1526 | ECM-980A | Engine control module (ECM). Internal fault. Intermittent fault |
| P1526 | ECM-980A | Engine control module (ECM). Internal fault. Permanent fault |
| P1651 | ECM-981A | Engine control module (ECM). Internal fault. Intermittent fault |
| P1651 | ECM-981A | Engine control module (ECM). Internal fault. Permanent fault |
| P1652 | ECM-982A | Engine control module (ECM). Internal fault. Intermittent fault |
| P1652 | ECM-982A | Engine control module (ECM). Internal fault. Permanent fault |
| P0506 P0507 | ECM-990A | Idle air trim. Faulty signal |
| U0001. U0002 | ECM-E000 | Control module communication. Faulty communication |
| U0073 | ECM-E003 | Configuration fault. Faulty configuration |
| NA | ECM-XXXX | Unknown diagnostic trouble code (DTC) for the current control module version |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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