| P1000 | System diagnosis incomplete |
| P1100 | Manifold absolute pressure (MAP) sensor- for EGR system – circuit malfunction |
| P1102 | Manifold absolute pressure (MAP) sensor – for EGR system – mode 3 |
| P1103 | Manifold absolute pressure (MAP) sensor- for EGR system – mode 2 |
| P1106 | Manifold absolute pressure (MAP) sensor – signal high |
| P1107 | Manifold absolute pressure (MAP) sensor – signal low |
| P1110 | Electronic throttle system (ETS) – malfunction |
| P1111 | Intake air temperature (IAT) sensor- circuit low input intermittent |
| P1112 | Intake air temperature (IAT) sensor- circuit high input intermittent |
| P1114 | Engine coolant temperature (ECT) sensor – signal malfunction |
| P1115 | Engine coolant temperature (ECT) sensor – signal malfunctior: |
| P1117 | HO2S Circuit Low Voltage Bank 1 Sensor 2 |
| P1118 | Electronic throttle system (ETS), throttle motor – malfunction |
| P1121 | AT- TP sensor signal |
| P1134 | Heated oxygen sensor (H02S)- front, bank 1 – signal malfunction |
| P1151 | Accelerator pedal position (APP) sensor – circuit malfunction |
| P1152 | Accelerator pedal position (APP) sensor – low input |
| P1153 | Accelerator pedal position (APP) sensor – high input |
| P1154 | Heated oxygen sensor (H02S) -front, bank 2 – signal malfunction |
| P1155 | Limp-home solenoid – malfunction |
| P1159 | Intake manifold air control actuator – circuit malfunction |
| P1166 | Heated oxygen sensor (H02S)- front, bank 1 – control limit |
| P1167 | Heated oxygen sensor (H02S) – front, bank 2 – control limit |
| P1168 | Heated oxygen sensor (H02S), heater- rear, bank 1 – circuit malfunction |
| P1169 | Heated oxygen sensor (H02S), heater- rear, bank 2 – t:ircuit malfunction |
| P1170 | Heated oxygen sensor (H02S) – front- no signal change |
| P1171 | Electronic throttle system (ETS), WOT – malfunction |
| P1172 | Electronic throttle system (ETS), throttle motor – circuit malfunction |
| P1173 | Electronic throttle system (ETS) -throttle valve command/actual throttle valve position, correlation |
| P1174 | Electronic throttle system (ETS), closed throttle – range/performance problem |
| P1175 | Electronic throttle system (ETS), closed throttle – range/performance problem |
| P1176 | Electronic throttle system (ETS), throttle motor – circuit 1 malfunction |
| P1177 | Electronic throttle system (ETS), throttle motor – circuit 2 malfunction |
| P1178 | Electronic throttle system (ETS) – supply voltage |
| P1183 | Fuel Pressure Regulator Open |
| P1186 | Fuel Pressure Too Low |
| P1187 | Fuel Pressure Monitoring — Regulator Valve Stick |
| P1188 | Fuel Pressure Monitoring — Leakage |
| P1189 | Fuel Pressure Monitoring — Governor Deviation at Engine speed Too high |
| P1190 | Intake Throttle Actuator Malfunction |
| P1191 | Electronic Throttle System Limp Home Valve On |
| P1192 | Limp-home solenoid – signal malfunction |
| P1193 | Limp-home solenoid – rpm lower than expected |
| P1194 | Limp-home solenoid – signal malfunction |
| P1195 | Manifold absolute pressure (MAP) sensor — for EGR system — circuit malfunction |
| P1196 | Limp-home solenoid – malfunction |
| P1250 | Fuel pressure regulator control solenoid – circuit malfunction |
| P1252 | Pressure Regulator Control Solenoid Valve No. 2 Circuit Malfunction |
| P1295 | Electronic throttle system (ETS) – circuit malfunction |
| P1307 | G-force sensor – signal malfunction |
| P1308 | G-force sensor – signal low |
| P1309 | G-force sensor – signal high |
| P1330 | Ignition adjustment connector – short to ground |
| P1345 | No Camshaft Position Sensor Signal |
| P1372 | Crankshaft position (CKP) sensor – signal malfunction |
| P1386 | Knock sensor (KS) |
| P1401 | EVAP system malfunction |
| P1402 | Evaporative emission (EVAP) leak detection module pump — circuit malfunction — Spectra 2002 |
| P1403 | Evaporative emission (EVAP) leak detection module solenoid – circuit malfunction |
| P1404 | Evaporative emission (EVAP) leak detection module heater – circuit malfunction |
| P1446 | Evaporative emission (EVAP) leak detection module solenoid – circuit malfunction |
| P1447 | Evaporative emission (EVAP) leak detection module pump – circuit malfunction |
| P1448 | Evaporative emission (EVAP) leak detection module heater – circuit malfunction |
| P1449 | Evaporative emission {EVAP) canister purge valve – circuit malfunction |
| P1450 | Evaporative emission (EVAP) canister purge system – vacuum leak detected |
| P1455 | Fuel tank level sensor- circuit malfunction |
| P1457 | Evaporative emission (EVAP) canister purge valve (low) |
| P1458 | AJC compressor control – signal malfunction |
| P1485 | Exhaust gas recirculation (EGR) solenoid (vacuum) – circuit malfunction |
| P1486 | Exhaust gas recirculation (EGR) solenoid (vent) – circuit malfunction |
| P1487 | Manifold absolute pressure (MAP) sensor solenoid – EGR system – circuit malfunction |
| P1496 | Exhaust gas recirculation (EGR) valve – circuit 1 malfunction |
| P1497 | Exhaust gas recirculation (EGR) valve – circuit 2 malfunction |
| P1498 | Exhaust gas recirculation (EGR) valve – circuit 3 malfunction |
| P1499 | Exhaust gas recirculation (EGR) valve – circuit 4 malfunction |
| P1500 | Vehicle speed signal – malfunction |
| P1501 | Battery Temperature Too High |
| P1502 | Battery Not Charging |
| P1503 | Cruise control master switch – malfunction |
| P1504 | Cruise control master switch – signal malfunction |
| P1505 | Idle air control (lAC) valve -opening coil signal low |
| P1506 | Idle air control (lAC) valve – opening coil signal high |
| P1507 | Idle air control (lAC) valve – closing coil signal low |
| P1508 | Idle air control (lAC) valve – closing coil signal high |
| P1510 | Idle air control {lAC) valve – coil 1 -circuit malfunction |
| P1511 | Idle air control (lAC) valve – coil 2 – circuit malfunction |
| P1521 | Power steering pressure (PSP) switch – circuit malfunction |
| P1523 | Electronic throttle system (ETS)- malfunction |
| P1529 | MIL request signal – TCM to ECM |
| P1550 | Knock sensor (KS) – circuit malfunction |
| P1560 | Knock sensor (KS)/serial communication interface – circuit malfunction |
| P1586 | AT coding signal |
| P1587 | CAN Communication Error MT/AT Recognition Error |
| P1602 | Transmission control module (TCM) – communication malfunction |
| P1603 | CAN Communication Bus Error |
| P1607 | Engine control module (ECM)/electronic throttle system (ETS) control module – communication malfunction |
| P1608 | Engine control module (ECM) — malfunction |
| P1609 | Immobilizer – malfunction |
| P1611 | MIL request signal – circuit/voltage low |
| P1613 | Engine control module (ECM) — self test failed |
| P1614 | MIL request signal — circuit/voltage high |
| P1615 | Electronic throttle system (ETS) control module – malfunction |
| P1616 | Engine control relay – circuit malfunction |
| P161B | Engine control module (ECM)/torque information – malfunction |
| P1623 | Malfunction indicator lamp (MIL) – circuit malfunction |
| P1624 | Except Optima: MIL request signal — TCM to ECM |
| P1625 | Engine coolant blower motor relay high speed – circuit malfunction |
| P1630 | CAN Communication BUS OFF |
| P1631 | Generator voltage – no charge |
| P1632 | Battery voltage monitor — circuit malfunction |
| P1633 | Battery voltage – overcharging |
| P1634 | Generator terminal B – open circuit |
| P1640 | Engine control relay – voltage low/high |
| P1642 | Engine control module (ECM) – non immobilizer/incorrect type |
| P1673 | Coolant blower motor – circuit malfunction |
| P1690 | Immobilizer control module – malfunction |
| P1691 | Immobilizer read coil |
| P1693 | MIL — circuit malfunction |
| P1694 | CAN data bus, immobilizer control module – signal malfunction |
| P1695 | Engine control module (ECM)- EEPROM error |
| P1696 | Immobilizer control module – invalid data received· |
| P1700 | Overdrive lamp – circuit malfunction |
| P1707 | Cruise/brake switch – circuit malfunction |
| P1765 | Transmission control module (TCM)- torque reduction malfunction |
| P1780 | Transmission control module (TCM) – ignition advance circuit malfunction |
| P1794 | Supply voltage |
| P1795 | 4WD low gear position switch- circuit malfunction |
| P1797 | Park/neutral position (PNP) switch – circuit malfunction |
| P1800 | Engine torque signal – malfunction |
| P1801 | Immobilizer Transponder Error |
| P1802 | Immobilizer Antenna Error |
| P1803 | Immobilizer ECU Signal Error |