OBDII Mazda Code Definitions.
Be sure to double check the codes. Anything P1000 to P1999 or P3000 to P3400 will be Manufacturer specific and may not match the ones listed here. Check specific manufacturer pages on the site, as some of them, we list the OBD2 codes on those pages for those specific vehicles.
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| Mazda Codes | ||
|---|---|---|
| Trouble Code | Fault Location | Probable Cause |
| C1306 | Steering angle sensor | Improper replacement or recalibration procedure, Wheel alignment, Wiring, Steering angle sensor, Low system voltage, Fuses, BCM failure | P1000 – P1099 (Fuel and air metering and auxiliary emission control) |
| P1000 | OBD-11 monitor testing not complete | Wiring, VSS, mechanical fault, ECM |
| P1001 | Data link connector (DLC) – self-test terminated | Incorrect operator input, DLC, ECM | P1100 – P1199 (Fuel and air metering) |
| P1100 | Mass air flow (MAF) sensor – intermittent sensing | Wiring, MAF sensor, ECM |
| P1101 | Mass air flow (MAF) sensor – out of self-test range | Wiring, MAF sensor, ECM |
| P1102 | Mass air flow (MAF) sensor – incomparable with TP sensor signal – signal low | Wiring, MAF sensor, TP sensor |
| P1103 | Mass air flow (MAF) sensor – incomparable with RPM signal – signal high | Wiring, MAF sensor |
| P1110 | Intake air temperature (IAT) sensor (engine)- short/open circuit | Wiring, IAT sensor, ECM |
| P1112 | Intake air temperature (IAT) sensor – intermittent sensing | Wiring, IAT sensor, ECM |
| P1113 | Intake air temperature (IAT) sensor (supercharger) – short/open circuit | Wiring, IAT sensor, ECM |
| P1114 | Intake air temperature (IAT) sensor – voltage low | Wiring, IAT sensor, ECM |
| P1115 | Intake air temperature (IAT) sensor- voltage high | Wiring, IAT sensor, ECM |
| P1116 | Engine coolant temperature (ECT) sensor- out of self-test range | Wiring, ECT sensor, ECM |
| P1117 | Engine coolant temperature (ECT) sensor – intermittent sensing | Wiring, ECT sensor, ECM |
| P1120 | Throttle position (TP) sensor – out of range “low” | Wiring, TP sensor, ECM |
| P1121 | Throttle position (TP) sensor – incomparable with MAF sensor signal | Wiring, TP sensor, ECM |
| P1122 | Throttle position (TP) sensor – stuck closed | Wiring, TP sensor, ECM |
| P1123 | Throttle position (TP) sensor – stuck open | Wiring, TP sensor, ECM |
| P1124 | Throttle position (TP) sensor – out of self-test range | Wiring, TP sensor, ECM |
| P1125 | Throttle position (TP) sensor – intermittent circuit fault | Wiring, TP sensor, ECM |
| P1126 | Throttle position (TP) sensor – circuit fault | Wiring, TP sensor, ECM |
| P1127 | Heated oxygen sensor (H02S) – RH or rear bank -front (6 cyl) – heater circuit malfunction | Wiring, H02S |
| P1128 | Heated oxygen sensor (H02S) -front – bank 1/bank 2 sensors transposed | Wiring |
| P1129 | Heated oxygen sensor (H02S)- rear- bank 1/bank 2 sensors transposed | Wiring |
| P1130 | Heated oxygen sensor (H02S) 1, bank 1 – adaptive limit achieved | Wiring, H02S, fuel pressure, fuel system, mechanical fault, ECM |
| P1131 | Heated oxygen sensor (H02S) 1, bank 1 – lean mixture indicated | Wiring, H02S, fuel pressure, fuel system, mechanical fault, ECM |
| P1132 | Heated oxygen sensor (H02S) 1, bank 1 – rich mixture indicated | Wiring, H02S, fuel pressure, fuel system, mechanical fault, ECM |
| P1133 | Fuel trim (FT) lean mixture – bank 1 | Fuel pressure, injectors, MAF sensor/MAP sensor, intake leak |
| P1134 | Fuel trim (FT) rich mixture – bank 1 | Fuel pressure, injectors, MAF sensor/MAP sensor, EVAP system |
| P1135 | Heated oxygen sensor (H02S) 1, bank 1, heater control – circuit low | Wiring, H02S, ECM |
| P1136 | Heated oxygen sensor (H02S) 1, bank 1, heater control – circuit high | Wiring, H02S, ECM |
| P1137 | Heated oxygen sensor (H02S)- rear- adaptive limit achieved | Wiring, H02S, exhaust system, ECM |
| P1138 | Heated oxygen sensor (H02S) – rear- adaptive limit achieved | Wiring, H02S, exhaust system, ECM |
| P1141 | Heated oxygen sensor (H02S) 2, bank 1, heater control – circuit low | Wiring, H02S, ECM |
| P1142 | Heated oxygen sensor (H02S) 2, bank 1, heater control – circuit high | Wiring, H02S, ECM |
| P1143 | Heated oxygen sensor (H02S) 2, bank 1 – lean mixture indicated | Wiring, H02S, fuel pressure, fuel system, mechanical fault, ECM |
| P1144 | Heated oxygen sensor (H02S) 2, bank 1 – rich mixture indicated | Wiring, H02S, fuel pressure, fuel system, mechanical fault, ECM |
| P1150 | Heated oxygen sensor (H02S) – LH or front bank -front (6 cyl) – adaptive limit achieved | Wiring, |
| P1151 | Heated oxygen sensor (H02S) – LH or front bank -front (6 cyl) – lean mixture indicated | Wiring, H02S, fuel pressure, fuel system, mechanical fault, ECM |
| P1152 | Heated oxygen sensor (H02S) – LH or front bank – front (6 cyl) – rich mixture indicated | Wiring, H02S, fuel pressure, fuel system, mechanical fault, ECM |
| P1153 | Fuel trim (FT) lean mixture – bank 2 | Fuel pressure, injectors, MAF sensor/MAP sensor, intake leak |
| P1154 | Fuel trim (FT) rich mixture – bank 2 | Fuel pressure, injectors, MAF sensor/MAP sensor, EVAP system |
| P1157 | Heated oxygen sensor (H02S) 2, bank 2 – lean mixture indicated | Wiring, H02S, fuel pressure, fuel system, mechanical fault, ECM |
| P1158 | Heated oxygen sensor (H02S) 2, bank 2 – rich mixture indicated | Wiring, H02S, fuel pressure, fuel system, mechanical fault, ECM |
| P115E | Throttle body – restricted flow | Throttle valve restriction |
| P1168 | Fuel rail pressure sensor- signal low | Wiring, fuel level, low fuel pressure, fuel rail pressure sensor |
| P1169 | Heated oxygen sensor (H02S) (except Tribute -+2005)- rear (6 cyl) – voltage high | Wiring, H02S, fuel pressure, fuel system, mechanical fault, ECM |
| P1170 | Heated oxygen sensor (H02S) LH or front bank – front (6 cyl) – voltage high | Wiring, H02S, fuel pressure, fuel system, mechanical fault, ECM |
| P1173 | Heated oxygen sensor (H02S) RH or rear bank – front (6 cyl) – voltage high | Wiring, H02S, fuel pressure, fuel system, mechanical fault, ECM |
| P1195 | Exhaust gas recirculation (EGR) system sensor – malfunction | Wiring, EGR sensor, ECM |
| P1196 | Starter signal – circuit malfunction | Wiring, ignition switch, mechanical fault |
| P1224 | Throttle Position Sensor 'B' Out of Self-Test Range | |
| P1233 | Fuel pump (FP) control module – control module disabled or off line | Wiring, FP, ECM |
| P1234 | Fuel Pump Driver Module Disabled Or Off Line | |
| P1235 | Fuel pump (FP) control – out of range | Wiring, FP control module |
| P1236 | Fuel Pump Driver Module Disabled or Off Line | |
| P1237 | Fuel pump (FP) – secondary circuit malfunction | Wiring, FP control module |
| P1238 | Fuel Pump Driver Module Disabled or Off Line | |
| P1239 | Speed Fuel Pump Positive Feed | |
| P1244 | Generator/regulator system – load input out of range | Wiring, generator, regulator |
| P1245 | Generator/regulator system – load input out of range | Wiring, generator, regulator |
| P1246 | Generator/regulator system – load input out of range | Wiring, generator, regulator |
| P1250 | Fuel pressure (FP) control solenoid valve 1 – malfunction | Wiring, FP solenoid, ECM |
| P1251 | Idle speed control (ISC) system – rpm lower than expected | Wiring, lAC valve, throttle valve tight/sticking, ECM |
| P1252 | Fuel pressure (FP) control solenoid valve 2 – malfunction | Wiring, FP solenoid, ECM |
| P1260 | Theft detected – engine immobilized | Immobilizer fault |
| P1261 | Cylinder #1 High To Low Side Short | |
| P1262 | Cylinder #2 High To Low Side Short | |
| P1263 | Cylinder #3 High To Low Side Short | |
| P1264 | Cylinder #4 High To Low Side Short | |
| P1265 | Cylinder #5 High To Low Side Short | |
| P1266 | Cylinder #6 High To Low Side Short | |
| P1270 | Maximum en ine RPM or vehicle speed obtained | ECM |
| P1271 | Cylinder #1 High To Low Side Open | |
| P1272 | Cylinder #2 High To Low Side Open | |
| P1273 | Cylinder #3 High To Low Side Open | |
| P1274 | Cylinder #4 High To Low Side Open | |
| P1275 | Cylinder #5 High To Low Side Open | |
| P1276 | Cylinder #6 High To Low Side Open | |
| P1285 | Cylinder head temperature (CHT) sensor- overheating detected | Wiring, CHT sensor, engine overheating, ECM |
| P1288 | Cylinder head temperature (CHT) sensor- out of self-test range | Wiring, CHT sensor, ECM |
| P1289 | Cylinder head temperature (CHT) sensor – circuit malfunction | Wiring, CHT sensor, ECM |
| P1290 | Cylinder head temperature (CHT) sensor – circuit malfunction | Wiring, CHT sensor, ECM |
| P1299 | Cylinder head temperature (CHT) sensor- fail safe cooling activated | Wiring, CHT sensor, engine overheating, ECM |
| P1308 | A/C Clutch Circuit Fault | |
| P1309 | Misfire detection monitor – not enabled | CMP not synchronized, CMP, ECM |
| P1336 | Crankshaft position (CKP) sensor/camshaft position (CMP) sensor – circuit range/ performance | Wiring, CKP sensor, CMP sensor, mechanical fault |
| P1340 | Camshaft Position Sensor 'B' Circuit | |
| P1341 | Camshaft Position Sensor 'B' Circuit Range/Performance | |
| P1342 | PCM Malfunction | |
| P1345 | Camshaft position (CMP) sensor – signal malfunction | Wiring, CMP sensor, ECM |
| P1351 | Engine control module (ECM) – loss of ignition diagnostic monitor | ECM |
| P1352 | Ignition coil A – primary circuit malfunction | Wiring, ignition coil |
| P1353 | Ignition coil 8 – primary circuit malfunction | Wiring, ignition coil |
| P1354 | Ignition coil C – primary circuit malfunction | Wiring, ignition coil |
| P1355 | Ignition coil D – primary circuit malfunction | Wiring, ignition coil |
| P1358 | Engine control module (ECM) -loss of ignition diagnostic monitor | ECM |
| P1359 | Engine control module (ECM) – loss of ignition output signal | ECM |
| P1360 | Ignition coil A – secondary circuit malfunction | Wiring, ignition coil |
| P1361 | Ignition coil 8 – secondary circuit malfunction | Wiring, ignition coil |
| P1362 | Ignition coil C – secondary circuit malfunction | Wiring, ignition coil |
| P1363 | Ignition coil D – secondary circuit malfunction | Wiring, ignition coil |
| P1364 | Ignition coil – primary circuit malfunction | Wiring, ignition coil |
| P1365 | Ignition coil – secondary circuit malfunction | Wiring, ignition coil |
| P1380 | Camshaft Position Actuator Circuit Bank 1 | |
| P1381 | Camshaft Position Timing Over Advanced Bank 1 | |
| P1382 | Camshaft position (CMP) sensor – malfunction | Insecure sensor/rotor, air gap, wiring, CMP sensor, ECM |
| P1383 | Camshaft Position Timing Over Retarded Bank 1 | |
| P1385 | Camshaft Position Actuator Circuit Bank 2 | |
| P1386 | Camshaft Position Timing Over Advanced Bank 2 | |
| P1387 | Camshaft position (CMP) sensor – malfunction | Insecure sensor/rotor, air gap, wiring, CMP sensor, ECM |
| P1388 | Camshaft Position Timing Over Retarded Bank 2 | |
| P1390 | Octane adjust – out of self-test range | Wiring, octane adjuster, ECM |
| P1397 | System voltage – out of self-test range | Wiring, battery, alternator | P1400 – P1499 (Emission control) |
| P1400 | Differential pressure feedback sensor – low voltage detected | Wiring, pressure feedback sensor, ECM |
| P1401 | Differential pressure feedback sensor – high voltage detected | Wiring, pressure feedback sensor, ECM |
| P1402 | Exhaust.gas recirculation (EGR) valve position sensor – voltage low/high | Wiring, EGR valve position sensor, ECM |
| P1403 | Differential pressure feedback sensor – hoses reversed | Mechanical fault |
| P1405 | Differential pressure feedback sensor – upstream hose off or plugged | Mechanical fault |
| P1406 | Differential pressure feedback sensor – downstream hose off or plugged | Mechanical fault |
| P1407 | Exhaust gas recirculation (EGR) system – no flow detected | Wiring, EGR solenoid valve, mechanical fault |
| P1408 | Exhaust gas recirculation (EGR) system -flow out of self-test range | Wiring, EGR solenoid valve, mechanical fault |
| P1409 | Electronic vacuum regulator control – circuit malfunction | Wiring, ECM |
| P1410 | Exhaust gas recirculation (EGR) boost sensor/solenoid – stuck | Wiring, EGR boost sensor, EGR boost solenoid, hoses blocked/leaking |
| P1412 | Exhaust gas recirculation (EGR) solenoid – malfunction | Wiring, EGR solenoid, ECM |
| P1432 | Engine coolant thermostat – circuit malfunction | Wiring, engine coolant thermostat, ECM |
| P1442 | Evaporative emission (EVAP) system – system leak detected | Hose connection(s), fuel tank filler cap leak, EVAP canister purge valve |
| P1443 | Evaporative emission (EVAP) canister purge control system | Wiring, EVAP valve, ECM |
| P1444 | Evaporative emission (EVAP) canister purge flow sensor – low input | Wiring, purge flow sensor |
| P1445 | Evaporative emission (EVAP) canister purge flow sensor – high input | Wiring, pu’rge flow sensor |
| P1446 | Evaporative emission (EVAP) system | Hose connection(s), intake leak, EVAP canister, EVAP canister purge valve, ECM |
| P1449 | Evaporative emission (EVAP) canister purge system – tank pressure problem | Wiring, EVAP valve, ECM |
| P1450 | Evaporative emission (EVAP) canister purge system – leak | Wiring, EVAP valve, ECM |
| P1451 | Evaporative emission (EVAP) canister vent valve – circuit malfunction | Wiring, EVAP vent valve, fuel tank pressure sensor, ECM |
| P1452 | Evaporative emission (EVAP) system – fuel tank vacuum test failed | Hoses blocked/leaking, EVAP vacuum valve |
| P1455 | Fuel tank level sensor- short/open circuit | Wiring, fuel tank level sensor |
| P1456 | Evaporative emission (EVAP) system | Hose connection(s), intake leak, EVAP canister, EVAP canister purge valve, ECM |
| P1457 | Evaporative emission (EVAP) system | Hose connection(s), intake leak, EVAP canister, EVAP canister purge valve, ECM |
| P145E | Positive crankcase ventilation (PCV) heater – circuit malfunction | Wiring, PCV valve |
| P1460 | Wide open throttle (WOT) air conditioning cut off- circuit malfunction | Wiring, TP sensor |
| P1461 | AIC refrigerant pressure sensor – high voltage | Wiring, AIC refrigerant pressure sensor, ECM |
| P1462 | A!C refrigerant pressure sensor – low voltage | Wiring, A/C refrigerant pressure sensor, ECM |
| P1463 | A/C refrigerant pressure sensor – insufficient pressure change | Wiring, AIC system – mechanical fault, AIC refrigerant pressure sensor, AIC compressor clutch |
| P1464 | A/C control signal – voltage high during self-test | Wiring, A/C master switch, AIC compressor clutch relay, ECM |
| P1465 | A/C control signal – malfunction | Wiring, A/C master switch, AIC compressor clutch relay, ECM |
| P1469 | Frequent AIC compressor clutch cycling | Wiring, AIC system – mechanical fault |
| P1473 | Cooling fan – circuit malfunction | Wiring, cooling fan relay(s), cooling fan(s), ECM |
| P1474 | Cooling fan “low” (Tribute)- circuit malfunction | Wiring, cooling fan relay, cooling fan, ECM |
| P1475 | Cooling fan – circuit malfunction | Wiring, cooling fan relay(s), cooling fan(s), ECM |
| P1476 | Cooling fan – circuit malfunction | Wiring, cooling fan relay(s), cooling fan(s), ECM |
| P1477 | Cooling fan “medium” (Tribute)- circuit malfunction | Wiring, cooling fan relay, cooling fan, ECM |
| P1479 | Cooling fan “high” (Tribute)- circuit malfunction | Wiring, cooling fan relay, cooling fan, ECM |
| P1480 | Cooling fan – circuit malfunction | Wiring, cooling fan relay(s), cooling fan(s), ECM |
| P1481 | Cooling fan – circuit malfunction | Wiring, cooling fan relay(s), cooling fan(s), ECM |
| P1485 | Exhaust gas recirculation (EGR) valve – malfunction | Wiring, EGR valve, ECM |
| P1486 | Exhaust gas recirculation (EGR) valve – malfunction | Wiring, EGR valve, ECM |
| P1487 | Exhaust gas recirculation (EGR) valve – malfunction | Wiring, EGR valve, ECM |
| P1496 | Exhaust gas recirculation (EGR) valve’coil 1 – short/open circuit | Wiring, EGR valve, ECM |
| P1497 | Exhaust gas recirculation (EGR) valve coil 2 – short/open circuit | Wiring, EGR valve, ECM |
| P1498 | Exhaust gas recirculation (EGR) valve coil 3 – short/open circuit | Wiring, EGR valve, ECM |
| P1499 | Exhaust gas recirculation (EGR) valve coil 4 – short/open circuit | Wiring, EGR valve, ECM | P1500 – P1599 (Vehicle or idle speed control) |
| P1500 | Vehicle speed sensor (VSS) -intermittent fault | Wiring, VSS, ECM |
| P1501 | Vehicle speed sensor (VSS) – out of self-test range | Wiring, VSS, ECM |
| P1502 | Vehicle speed sensor (VSS) – signal malfunction | Wiring, VSS, ABS control module, multifunction control module, ECM |
| P1504 | Idle air control (lAC) system – circuit malfunction | Wiring, lAC valve, ECM |
| P1505 | Idle air control {lAC) system | Wiring, lAC valve, mechanical fault, ECM |
| P1506 | Idle air control {lAC) system – overspeed error | Wiring, lAC valve, mechanical fault, ECM |
| P1507 | Idle air control (lAC) system – underspeed error | Wiring, lAC valve, mechanical fault, ECM |
| P1508 | Idle air control (lAC) valve 1 – short/open circuit | Wiring, lAC valve, ECM |
| P1509 | Idle air control (lAC) valve 2 – short/open circuit | Wiring, lAC valve, ECM |
| P1510 | Idle air control (lAC) system – malfunction | Wiring, lAC valve, mechanical fault, ECM |
| P1511 | Idle air control (lAC) system – malfunction | Wiring, lAC valve, mechanical fault, ECM |
| P1512 | Intake manifold air control – stuck close | Wiring, air control solenoid, ECM |
| P1513 | Intake Manifold Runner Control Stuck Closed Bank 2 | |
| P1516 | Intake manifold air control solenoid (Tribute 2005-+) – input error | Wiring, intake manifold air control solenoid, ECM |
| P1517 | Intake Manifold Runner Control Input Error Bank 2 | |
| P1518 | Intake manifold air control – stuck open | Wiring, air control solenoid, ECM |
| P1519 | Intake manifold air control – stuck closed | Wiring, air control solenoid, ECM |
| P1520 | Intake manifold air control -circuit malfunction | Wiring, air control solenoid, ECM |
| P1521 | Intake manifold air control solenoid 1 – short/open circuit | Wiring, air control solenoid, ECM |
| P1522 | Intake manifold air control solenoid 2 – short/open circuit | Wiring, air control solenoid, ECM |
| P1523 | Intake manifold air control solenoid – circuit malfunction | Wiring, air control solenoid, ECM |
| P1524 | Charge air cooler bypass solenoid valve – malfunction | Wiring, bypass solenoid, ECM |
| P1525 | Supercharger air control solenoid (vacuum) – short/open circuit | Wiring, air control solenoid, ECM |
| P1526 | Supercharger air control solenoid (vent) – short/open circuit | Wiring, air control solenoid, ECM |
| P1527 | Bypass air solenoid valve – short/open circuit | Wiring, air control solenoid, ECM |
| P1528 | Idle air control (lAC) system – malfunction | Wiring, lAC valve, mechanical fault, ECM |
| P1529 | UC atmospheric balance air control solenoid valve – malfunction | Wiring, air control solenoid, ECM |
| P1532 | Intake Manifold Communication Control Circuit Bank 2 | |
| P1537 | Intake manifold air control solenoid, bank 1 – solenoid stuck open | Wiring, intake manifold air control solenoid, mechanical fault |
| P1538 | Intake manifold air control solenoid, bank 2 – solenoid stuck open | Wiring, intake manifold air control solenoid, mechanical fault |
| P1540 | Supercharger air control solenoid -short/open circuit | Wiring, valve, ECM |
| P1541 | Intake Manifold Runner Control Circuit Range/Performance | |
| P1549 | Intake manifold air control solenoid – control circuit malfunction | Wiring, mechanical fault, ECM |
| P1550 | Power steering pressure (PSP) switch – malfunction | Wiring, PSP switch, ECM |
| P1562 | Engine control module (ECM) – battery voltage low | Wiring, ECM |
| P1565 | Cruise control system | Wiring, CPP switch, BPP switch, cruise control module, cruise control master switch, VSS |
| P1566 | Transmission control module (TCM) – battery voltage low | Wiring, fuse, TCM |
| P1567 | Cruise control system | Wiring, CPP switch, BPP switch, cruise control module, cruise control master switch, VSS |
| P1568 | Cruise control system | Wiring, CPP switch, BPP switch, cruise control module, cruise control master switch, VSS |
| P1569 | Intake manifold air control – circuit low | Wiring, air control solenoid, ECM |
| P1570 | Intake manifold air control – circuit high | Wiring, air control solenoid, ECM |
| P1572 | Brake pedal position (BPP) switch – circuit malfunction | Wiring, BPP switch, ECM |
| P1573 | Throttle position (TP) sensor – no signal | Wiring, TP sensor |
| P1574 | Throttle position (TP) sensor – signal correlation | Wiring, TP sensor | P1600 – P1699 (ECM – computer output circuit) |
| P1600 | Engine control module (ECM) – KAM error | ECM |
| P1601 | ECM to AT communication – signal error | Wiring, ECM |
| P1602 | Immobilizer control module/engine control module (ECM) – communication error | Wiring, incorrect key, immobilizer control module, ECM |
| P1603 | Engine control module (ECM) – incorrect immobilizer code | Immobilizer word code not programmed |
| P1604 | Engine control module (ECM) – incorrect immobilizer code | Immobilizer key code not programmed |
| P1605 | Engine control module (ECM) -keep alive test error | ECM |
| P1608 | Engine control module (ECM) -knock function malfunction | ECM |
| P1609 | Engine control module (ECM) -supply voltage | Wiring, fuses, ECM |
| P1621 | Engine control module (ECM) – incorrect immobilizer code after cranking | Immobilizer word code not programmed |
| P1622 | Engine control module (ECM) – incorrect immobilizer key code | Immobilizer key code not programmed |
| P1623 | Engine control module (ECM) – immobilizer read/write error, EEPROM damaged | ECM |
| P1624 | Engine control module (ECM) – immobilizer communication error | ECM |
| P1627 | ECM to ABSfTCS communication – signal error | Wiring, ECM |
| P1628 | ECM to ABSfTCS communication – signal error | Wiring, ECM |
| P1630 | Generator voltage – circuit malfunction | Wiring, mechanical fault |
| P1631 | Generator voltage – no charge | Wiring, mechanical fault |
| P1632 | Battery voltage monitor – circuit malfunction | Wiring, mechanical fault |
| P1633 | Battery voltage – overcharging | Wiring, mechanical fault |
| P1634 | Generator terminal B – open circuit | Wiring, mechanical fault |
| P1635 | Engine control module (ECM)- processor fault | ECM |
| P1636 | Engine control module (ECM) – communication error | ECM |
| P1639 | Engine control module (ECM) -keep alive test error | Wiring, ECM not programmed, ECM |
| P1641 | Fuel pump – circuit malfunction | Wiring, fuel pump control module, fuel pump, ECM |
| P1643 | CAN Link ECM/TCM Circuit Network | |
| P1645 | Fuel pump – circuit malfunction | Wiring, fuel pump control module, fuel pump, ECM |
| P1650 | Power steering pressure (PSP) switch – out of self-test range | Wiring, PSP switch, ECM |
| P1651 | Power steering pressure (PSP) switch – input malfunction | Wiring, PSP switch, ECM |
| P1652 | Power steering pressure (PSP) switch – circuit malfunction | Wiring, PSP switch, ECM |
| P1656 | CAN data bus – circuit malfunction | Wiring |
| P1657 | CAN data bus – malfunction | Wiring, ECM |
| P1674 | Engine control module (ECM) – malfunction | Wiring, software incompatibility, ECM |
| P1684 | Metering Oil Pump Position Sensor Circuit Malfunction | Wiring, open circuit, PCM failure |
| P1686 | Rotor lubrication oil pump – low oil flow – circuit malfunction | Wiring, rotor lubrication oil pump switch, rotor lubrication oil pump, ECM |
| P1687 | Rotor lubrication oil pump – high oil flow – circuit malfunction | Wiring, rotor lubrication oil pump switch, rotor lubrication oil pump, ECM |
| P1688 | Rotor lubrication oil pump – self-test. – circuit malfunction | Wiring, rotor lubrication oil pump switch, rotor lubrication oil pump, ECM | P1700 – P1799 (Transmission) |
| P1700 | Transmission system – malfunction | Transmission |
| P1701 | Transmission solenoid malfunction – reverse gear engagement error | Wiring, solenoid valve, mechanical fault |
| P1702 | Transmission range (TR) sensor- circuit malfunction | Wiring, TR sensor |
| P1703 | Brake pedal position (BPP) switch – torque converter – out of self-test range | Wiring, switch |
| P1704 | Transmission range (TR) sensor- malfunction | Wiring, TR sensor |
| P1705 | Transmission range (TR) sensor- out of self-test range | Wiring, TR sensor |
| P1708 | Clutch pedal position (CPP) switch – malfunction | Wiring, CPP switch |
| P1709 | Park/neutral position switch (except B series Pickup)- out of self-test range | Wiring, switch |
| P1711 | Transmission fluid temperature (TFT) sensor – out of self-test range | Wiring, temperature sensor, mechanical fault |
| P1712 | Prevent The Differential Journal From Burning Or Seizure | |
| P1713 | Transmission fluid temperature (TFT) sensor- performance | Wiring, temperature sensor |
| P1714 | AT- shift solenoid 1 -mechanical failure | Wiring, mechanical fault |
| P1715 | AT – shift solenoid 2 – mechanical failure | Wiring, mechanical fault |
| P1716 | AT – shift solenoid 3 – mechanical failure | Wiring, mechanical fault |
| P1717 | AT – shift solenoid 4 – mechanical failure | Wiring, mechanical fault |
| P1718 | Transmission fluid temperature (TFT) sensor- performance | Wiring, temperature sensor |
| P1719 | Overdrive system – loss of signal | Wiring, mechanical fault |
| P1720 | Vehicle speed sensor (VSS) – no signal | Wiring, VSS, mechanical fault |
| P1721 | Shift solenoid (SS) 1 – malfunction | Wiring, shift solenoid, ECM |
| P1722 | Shift solenoid (SS) 2- malfunction | Wiring, shift solenoid, ECM |
| P1723 | Shift solenoid (SS) 3- malfunction | Wiring, shift solenoid, ECM |
| P1724 | Shift solenoid (SS) 4 – malfunction | Wiring, shift solenoid, ECM |
| P1729 | 4×4 low range switch – switch error | Wiring, switch |
| P1735 | Gear selection, 1-2- shift malfunction | Wiring, shift solenoids, transmission mechanical fault |
| P1736 | Gear selection, 2-3 – shift malfunction | Wiring, shift solenoids, transmission mechanical fault |
| P1737 | Torque converter clutch (TCC) solenoid valve – malfunction | Wiring, TCC solenoid valve, mechanical fault |
| P1738 | Shift time error | Mechanical fault |
| P1740 | Torque converter clutch (TCC) control – malfunction | Wiring, mechanical fault |
| P1741 | Torque converter clutch (TCC) control – malfunction | Wiring, mechanical fault |
| P1742 | Torque converter clutch (TCC) solenoid valve – malfunction | Wiring, TCC solenoid valve, mechanical fault |
| P1743 | Torque converter clutch (TCC) solenoid valve – malfunction | Wiring, TCC solenoid valve, mechanical fault |
| P1744 | Torque converter clutch (TCC) system – malfunction | Wiring, mechanical fault |
| P1745 | AT- electronic pressure control solenoid – circuit malfunction | Wiring, mechanical fault, pressure control solenoid |
| P1746 | AT- electronic pressure.control solenoid – low input | Wiring, mechanical fault, pressure control solenoid |
| P1747 | AT – electronic pressure control solenoid – high input | Wiring, mechanical fault, pressure control solenoid |
| P1748 | AT – electronic pressure control solenoid – malfunction | Wiring, mechanical fault, pressure control solenoid |
| P1749 | AT – electronic pressure control solenoid system | Wiring, mechanical fault, pressure control solenoid |
| P1751 | AT – shift solenoid 1 – open circuit | Wiring, shift solenoid |
| P1752 | AT – shift solenoid 1 – circuit malfunction | Wiring, shift solenoid |
| P1753 | AT – shift solenoid 1 – short circuit | Wiring, shift solenoid |
| P1754 | AT- freewheeling clutch solenoid- circuit malfunction | Wiring, mechanical fault, freewheeling clutch solenoid |
| P1756 | AT – shift solenoid 2- open circuit | Wiring, shift solenoid |
| P1757 | AT- shift solenoid 2- short circuit | Wiring, shift solenoid |
| P1760 | AT – electronic pressure control solenoid – short to ground | Wiring, mechanical fault, pressure control solenoid |
| P1761 | AT – shift solenoid 3 – performance | Wiring, mechanical fault, shift solenoid |
| P1762 | Transmission – band failure | Mechanical fault |
| P1765 | AT – gear 3-2 timing solenoid – malfunction | Wiring, mechanical fault, timing solenoid |
| P1766 | Shift Solenoid 'D' Performance | |
| P1767 | AT – torque converter clutch (TCC) solenoid- circuit malfunction | Wiring, TCC solenoid |
| P1770 | AT – overrun clutch solenoid valve – malfunction | Wiring, mechanical fault, overrun clutch solenoid |
| P1771 | AT – throttle position (TP) sensor – open circuit | Wiring, TP sensor |
| P1772 | AT – throttle position (TP) sensor- short circuit | Wiring, TP sensor |
| P1775 | AT – torque reduction signal 1 – signal problem | Wiring |
| P1776 | AT – torque reduction signal 2 – signal problem | Wiring |
| P1777 | AT – torque reduction signal (water temperature signal) – malfunction | Wiring |
| P1780 | Transmission control switch – out of self-test range | Wiring, switch, mechanical fault |
| P1781 | 4×4 low range switch – out of self-test range | Wiring, switch |
| P1783 | Transmission – over temperature condition | Mechanical fault |
| P1788 | AT – 3-2 timing/coasting clutch solenoid – open circuit during self-test | Wiring, mechanical fault, engine performance, ECM |
| P1789 | AT- 3-2 timing/coasting clutch solenoid- short circuit during self-test | Wiring, mechanical fault, engine performance, ECM |
| P1790 | Throttle position (TP) sensor – malfunction | Wiring, TP sensor, ECM |
| P1791 | Throttle position (TP) sensor – circuit malfunction | Wiring, TP sensor, ECM |
| P1792 | Barometric pressure (BARO) sensor- circuit malfunction | ECM |
| P1793 | Mass air flow (MAF) sensor/intake air temperature (IAT) sensor- circuit malfunction | Wiring, MAF sensor, IAT sensor, ECM |
| P1794 | Engine control module (ECM) – battery voltage low | Wiring, fuses |
| P1795 | Closed throttle position (CTP) switch – malfunction | Wiring, CTP switch, ECM |
| P1797 | Park/neutral position (PNP) switch/clutch pedal position (CPP) switch | Wiring, PNP switch, CPP switch, mechanical fault, ECM. |
| P1798 | Engine coolant temperature (ECT) sensor _: circuit intermittent | Wiring, ECT sensor, cooling system, ECM |
| P1799 | Torque converter clutch (TCC) solenoid valve – malfunction | Wiring, TCC solenoid valve, mechanical fault |
| P1824 | Four wheel drive clutch relay – circuit malfunction | Wiring, transmission system relay |
| P1825 | Four wheel drive clutch relay – open circuit | Wiring, transmission system relay |
| P1879 | Four wheel drive hub lock solenoid – open circuit | Wiring, four wheel drive hub lock solenoid | P1900 – P1999 (Transmission) |
| P1900 | Turbine shaft speed (TSS) sensor- intermittent | Wiring, TSS sensor, ECM/PCM/TCM |
| P1901 | Turbine shaft speed (TSS) sensor- intermittent | Wiring, TSS sensor, ECM/PCM/TCM |
| P1919 | Engine Coolant Temperature Signal | |
| P1922 | Fuel Additive Level Circuit Malfunction | |
| P1924 | Fuel Additive Level Circuit Low | |
| P1925 | Fuel Additive Level Circuit High | |
| P1926 | Fuel Additive Level Circuit Range/Performance | |
| P1928 | Fuel Additive Level Pump Control Circuit/Open | |
| P1929 | Fuel Additive Level Pump Control Circuit Performance | |
| P1930 | Fuel Additive Level Too Low/Empty | |
| P1931 | Fuel Additive Pump Control Circuit/Open | |
| P1932 | Fuel Additive Pump Control Circuit Performance | |
| P1933 | Fuel Additive Pump Control Circuit Low | |
| P1934 | Fuel Additive Pump Control Circuit High | |
| P1935 | Fuel Additive Level Low | |
| P1936 | Clutch Switch/Sensor Signal | |
| P1937 | Vehicle Speed Signal | |
| P1938 | Brake Switch/Sensor Signal | |
| P1939 | Clutch Switch/Sensor Signal | |
| U1020 | CAN data bus – AJC clutch _signal malfunction | Wiring, CAN data bus, ECM |
| U1039 | CAN data bus – VSS signal malfunction | Wiring, CAN data bus, ECM |
| U1041 | CAN data bus – VSS signal malfunction | Wiring, CAN data bus, ECM |
| U1051 | CAN data bus – brake signal malfunction | Wiring, CAN data bus, ECM |
| U1131 | CAN data bus -fuel system signal malfunction | Wiring, CAN data bus, ECM |
| U1147 | CAN data bus – vehicle security signal malfunction | Wiring, CAN data bus, ECM |
| U1262 | CAN data bus – circuit malfunction | Wiring, CAN data bus, ECM |
| U1451 | CAN data bus – alarm system control module signal malfunction | Wiring, CAN data bus, ECM |
| U1900 | CAN data bus – malfunction | Wiring |
| U2064 | Warning Indicator Requested by Another Control Module | Wiring, CAN bus system failure, System voltages |
| U2243 | CAN data bus – external environment signal malfunction | Wiring, CAN data bus, ECM |