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