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Hyundai Factory DTC Code Definitions
| P1100 | Manifold absolute pressure (MAP) sensor EGR | circuit malfunction | |
| P1102 | Manifold absolute pressure (MAP) sensor EGR Mode 3 | ||
| P1103 | Manifold absolute pressure (MAP) sensor EGR Mode 2 | ||
| P1110 | Electronic throttle system (ETS) | malfunction | |
| P1111 | Heated oxygen sensor (HO2S) 1/ bank 1 | no activity detected | |
| P1118 | Throttle motor | malfunction | |
| P1123 | Long term fuel trim | additive | mixture too rich |
| P1124 | Long term fuel trim | additive | mixture too lean |
| P1127 | Long term fuel trim | system too rich | |
| P1128 | Long term fuel trim | system too lean | |
| P1134 | Heated oxygen sensor (HO2S) 1/ bank 1 | slow response | |
| P1140 | Engine load monitoring (MAF/TP) | signals not plausible | |
| P1147 | Accelerator pedal position (APP) sensor 1 | circuit malfunction | |
| P1151 | Accelerator pedal position (APP) sensor 2 | circuit malfunction | |
| P1152 | Accelerator pedal position (APP) sensor 2 | low voltage | |
| P1153 | Accelerator pedal position (APP) sensor 2 | high voltage | |
| P1154 | Heated oxygen sensor (HO2S) 1/ bank 2 | slow response | |
| P1155 | Electronic throttle system | malfunction | |
| P1159 | Intake manifold air control/ target position | malfunction | |
| P1166 | Heated oxygen sensor (HO2S) 1/ bank 1 | control limit reached | |
| P1167 | Heated oxygen sensor (HO2S) 1/ bank 2 | control limit reached | |
| P1168 | Heated oxygen sensor (HO2S) 2/ bank 1/heater control | circuit malfunction | |
| P1169 | Heated oxygen sensor (HO2S) 2/ bank 2/heater control | circuit malfunction | |
| P1171 | Electronic throttle system/ WOT | malfunction | |
| P1172 | ETS throttle motor | abnormal current | |
| P1173 | ETS throttle motor | abnormal voltage | |
| P1174 | Electronic throttle system/ closed throttle 1 | malfunction | |
| P1175 | Electronic throttle system/ closed throttle 2 | malfunction | |
| P1176 | ETS throttle motor | circuit 1 malfunction | |
| P1177 | ETS throttle motor | circuit 2 malfunction | |
| P1178 | Electronic throttle system relay | malfunction | |
| P1184 | Heated oxygen sensor (HO2S) 1/ bank 2 | no activity detected | |
| P1191 | Electronic throttle system/ limp home valve | malfunction | |
| P1192 | Electronic throttle system | limp home valve ON | |
| P1193 | Electronic throttle system | limp home valve ON | |
| P1194 | Electronic throttle system | Iimp home valve ON | |
| P1195 | Electronic throttle system | limp home valve ON | |
| P1196 | Electronic throttle system | limp home valve ON | |
| P1307 | Rough road sensor | malfunction | |
| P1308 | Rough road sensor | voltage low | |
| P1309 | Rough road sensor | voltage high | |
| P1330 | Ignition spark timing | malfunction | |
| P1372 | Vehicle speed sensor (VSS) | range/performance problem | |
| P1400 | Exhaust gas recirculation (EGR) system | monitor malfunction | |
| P1401 | Fuel tank leakage diagnostic module | system malfunction | |
| P1402 | Fuel tank leakage diagnostic module | motor malfunction | |
| P1403 | Fuel tank leakage diagnostic module | valve malfunction | |
| P1404 | Fuel tank leakage diagnostic module | heater malfunction | |
| P1440 | Evaporative emission (EVAP) system/ vent valve | circuit malfunction | |
| P1502 | Wheel speed sensor | open circuit | |
| P1503 | Cruise control switch | circuit malfunction | |
| P1504 | Cruise control switch/ CANCEL | circuit malfunction | |
| P1505 | Idle air control (IAC) valve | opening coil circuit | open circuit |
| P1506 | Idle air control (IAC) valve | opening coil circuit | short circuit |
| P1507 | Idle air control (IAC) valve | closing coil circuit | open circuit |
| P1508 | Idle air control (IAC) valve | closing coil circuit | short circuit |
| P1510 | Idle air control (IAC) valve | circuit malfunction | open/short circuit |
| P1511 | Idle air control (IAC) valve | circuit malfunction | open/short circuit |
| P1513 | Idle air control (IAC) valve | opening coil circuit | short circuit |
| P1515 | Idle air control (lAC) valve | coil 1 | signal malfunction |
| P1516 | Idle air control (lAC) valve | coil 2 | signal malfunction |
| P1520 | Alternator | FR terminal malfunction | |
| P1521 | Power steering pressure (PSP) switch | circuit malfunction | |
| P1529 | Transmission control module (1CM) | communication | |
| P1552 | Idle air control (IAC) valve | closing coil circuit | short circuit |
| P1553 | Idle air control (IAC) valve | closing coil circuit | open circuit |
| P1586 | AT coding signal | not plausible | |
| P1602 | Transmission control module (1CM) | serial communication problem | |
| P1605 | G-sensor | circuit malfunction | |
| P1606 | G-sensor | signal not plausible | |
| P1607 | Engine control module/Electronic throttle system | communication malfunction | |
| P1608 | Electronic throttle system/Engine control module | communication malfunction | |
| P1609 | lmmobilizer control module | malfunction | |
| P1611 | MIL request signal | circuit/voltage low | |
| P1613 | Electronic throttle system/ controller | malfunction | |
| P1613 | MIL request signal | circuit/voltage high | |
| P1614 | MIL request signal | circuit/voltage high | |
| P1615 | Electronic throttle system/ controller | malfunction | |
| P1616 | Engine control relay | circuit malfunction | |
| P1623 | Malfunction indicator lamp (MIL) | circuit malfunction | |
| P1624 | Engine coolant blower motor relay | low speed circuit malfunction | |
| P1625 | Engine coolant blower motor relay | high speed circuit malfunction | |
| P1632 | CAN data bus | OFF | |
| P1665 | Ignition power stage A | circuit malfunction | |
| P1670 | Ignition power stage B | circuit malfunction | |
| P1690 | Immobilizer system | malfunction | |
| P1691 | lmmobilizer system | antenna malfunction | |
| P1693 | Transmission control module (1CM) MIL request circuit | circuit malfunction | |
| P1694 | Immobilizer system | ECM signal malfunction | |
| P1695 | Immobilizer system | ECM EPROM malfunction | |
| P1696 | lmmobilizer system | ECM EPROM malfunction | |
| P1707 | Cruise control/ brake pedal position (BPP) switch | circuit malfunction | |
| P1715 | AT pulse generators | open circuit | |
| P1750 | AT | shift control solenoids | |
| P1765 | Transmission control module (TCM) | torque reduction malfunction |