OBDII Hyundai 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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Hyundai Codes
Trouble Code Fault Location Probable Cause
P1100 – P1199 (Fuel and air metering)
P1100Manifold absolute pressure (MAP) sensor – EGR – circuit malfunctionWiring, MAP sensor
P1101Manifold Absolute Pressure Sensor Abnormal
P1102Manifold absolute pressure (MAP) sensor – EGR mode 3Wiring, hoses blocked/leaking, EGR valve, MAP sensor
P1103Manifold absolute pressure (MAP) sensor – EGR mode 2Wiring, hoses blocked/leaking, EGR valve, MAP sensor
P1104Mass Air Flow Ground Malfunction
P1105Air Flow Abnormal
P1106Manifold absolute pressure (MAP) sensor- signal highWiring, poor connection, MAP sensor, ECM
P1107Manifold absolute pressure (MAP) sensor- signal lowWiring, poor connection, MAP sensor, ECM
P1108Manifold Absolute Pressure Sensor Short Circuit
P1109Fuel Pump - Abnormal
P1110Electronic throttle system (ETS) – malfunctionWiring, ETS
P1111Intake air temperature (IAT) sensor – circuit low input/intermittentWiring, poor connection, IAT sensor, ECM
P1112Intake air temperature (IAT) sensor- circuit high input/intermittentWiring, poor connection, IAT sensor, ECM
P1113Manifold Differential Pressure Sensor Abnormal
P1114Engine coolant temperature (ECT) sensor – signal malfunctionWiring, ECT sensor, TCM, ECM
P1115Engine coolant temperature (ECT) sensor – signal malfunctionWiring, ECT sensor, TCM, ECM
P1116Boost Pressure Sensor Malfunction
P1118Throttle motor – malfunctionWiring open/short circuit, throttle motor, ETS
P1119Inlet Metering Valve Control
P1120Throttle Position Sensor 1 Circuit
P1121Throttle Position Input - Abnormal
P1122Boost Pressure Control Valve
P1123Long term fuel trim – additive – mixture too richH02S, fuel pressure, fuel system, mechanical fault, ECM
P1124Long term fuel trim -additive – mixture too leanH02S, fuel pressure, fuel system, mechanical fault, ECM
P1125Fuel Pressure Sensor 1
P1126Fuel Pressure Sensor 2
P1127Long term fuel trim – system too richH02S, fuel pressure, fuel system, mechanical fault, ECM
P1128Long term fuel trim – system too leanH02S, fuel pressure, fuel system, mechanical fault, ECM
P1130Start Solenoid- Malfunction
P1131Injection Quantity Adjust
P1134Heated oxygen sensor (H02S) 1, bank 1 – slow responseHeating inoperative, H02S
P1135Injection Timing Servo
P1140Engine load monitoring (MAFfrP) -signals not plausibleWiring, MAF sensor, TP sensor, mechanical fault
P1141Slow Duty Solenoid- Malfunction
P1145Main Duty Solenoid Malfunction
P1146Idle Co Potentiometer
P1147Accelerator pedal position (APP) sensor 1 – circuit malfunctionWiring, APP sensor
P1150Barometric Pressure Sensor Malfunction
P1151Electronic Throttle System Main Accel Position Sensor 2 Malfunction
P1151.Accelerator pedal position (APP) sensor 2 – circuit malfunctionWiring, APP sensor
P1152Accelerator pedal position (APP) sensor 2 – low voltageWiring short to ground, APP sensor
P1153Accelerator pedal position (APP) sensor 2 – high voltageWiring short to positive, APP sensor
P1154Heated oxygen sensor (H02S) 1, bank 2 – slow responseHeating inoperative, H02S
P1155Electronic throttle system (ETS) – malfunctionWiring, ETS limp-home valve
P1159Intake manifold air control, target position – malfunctionUnable to get target value
P1162High Pressure Pump & Fuel Line
P1166Heated oxygen sensor (H02S) 1, bank 1 – control limit reachedWiring open circuit, fuel pressure, exhaust system leak, EVAP system, H02S
P1167Heated oxygen sensor (H02S) 1, bank 2- control limit reachedWiring open circuit, fuel pressure, exhaust system leak, EVAP system, H02S
P1168Heated oxygen sensor (H02S) 2, bank 1, heater control – circuit malfunctionWiring, H02S
P1169Heated oxygen sensor (H02S) 2, bank 2, heater control – circuit malfunctionWiring, H02S
P1170ECM Barometric Pressure Sensor
P1171Electronic throttle system (ETS), WOT – malfunctionETS stuck open, ECM
P1172ETS throttle motor – abnormal currentWiring, throttle motor
P1173ETS throttle motor – abnormal voltageWiring, throttle motor, alternator
P1174Electronic throttle system (ETS), closed throttle 1 – malfunctionETS stuck, ECM
P1175Electronic throttle system (ETS), closed throttle 2 – malfunctionETS stuck, ECM
P1176ETS throttle motor – circuit 1 malfunctionWiring open/short circuit, throttle motor
P1177ETS throttle motor – circuit 2 malfunctionWiring open/short circuit, throttle motor
P1178Electronic throttle system (ETS) relay – malfunctionWiring, ETS relay, ECM
P1179Electronic Throttle System Position Mismatch
P1180Fuel Pressure Regulator Malfunction
P1181Fuel Pressure Monitoring
P1182Fuel Pressure Regulator Short
P1183Fuel Pressure Regulator Open
P1184Heated oxygen sensor (H02S) 1, bank 2 – no activity detectedWiring open circuit, heating inoperative, H02S
P1185Fuel Pressure Monitoring-Maximum Pressure Exceeded
P1186Fuel Pressure Monitoring-Minimum Pressure at Engine Speed Too Low
P1187Fuel Pressure Monitoring - Regulator Valve Stick
P1188Fuel Pressure Monitoring - Leakage
P1189Fuel Pressure Monitoring - Governor Deviation at Engine speed Too high
P1190Intake Throttle Actuator Malfunction
P1191Electronic throttle system (ETS), limp-home valve – malfunction
P1192Electronic throttle system (ETS) – limp-home valve ONTarget following malfunction
P1193Electronic throttle system (ETS) – limp-home valve ONLow RPM
P1194Electronic throttle system (ETS) – limp-home valve ONTP sensor 2 malfunction
P1195Electronic throttle system (ETS) – limp-home valve ONTarget following delay
P1196Electronic throttle system (ETS) – limp-home   valve ONClose throttle stuck
P1295Electronic throttle system (ETS) – circuit malfunctionWiring, TP sensor, MAF sensor, MAP sensor, ECM
P1300 – P1399 (Ignition system or misfire)
P1300Spark Timing Adjust Signal
P1301TDC Sensor Abnormal
P1302TDC Sensor Low Input
P1303TDC Sensor High Input
P1304Phase Sensor
P1305Phase Sensor Abnormal
P1306Phase Sensor Low Input
P1307Rough road sensor – malfunctionWiring, rough road sensor, ECM
P1308Rough road sensor – voltage lowWiring, rough road sensor, ECM
P1309Rough road sensor – voltage highWiring, rough road sensor, ECM
P1310Injection Control Circuit Fault
P1311Ignition Control Module Circuit 1
P1312Ignition Control Module Circuit 2
P1313Ignition Coil 2 Abnormal
P1314Ignition Coil 2 Low Output
P1315Ignition Coil 2 High Output
P1316Ignition Coil 3
P1317Ignition Coil 3 Abnormal
P1318Ignition Coil 3 Low Output
P1319Ignition Coil 3 High Output
P1320Ignition Coil 4
P1321Ignition Coil 4 Abnormal
P1322Ignition Coil 4 Low Output
P1323Ignition Coil 4 High Output
P1324Glow Relay Malfunction
P1325Glow Relay Abnormal
P1326Glow Relay Stuck On
P1327Glow Relay Electrical
P1330Ignition spark timing – malfunctionWiring between ROM change tool and ECM
P1331#1 MF Signal Line Short
P1332#2 MF Signal Line Short
P1333#3 MF Signal Line Short
P1334#4 MF Signal Line Short
P1335#5 MF Signal Line Short
P1336#6 MF Signal Line Short
P1337#7 MF Signal Line Short
P1338#8 MF Signal Line Short
P1340IFS 2 Open
P1341#1 ION Line Open
P1342#2 Ion Line Open
P1343#3 Ion Line Open
P1344#4 Ion Line Open
P1345#5 ION Line Open
P1346#6 Ion Line Open
P1347#7 Ion Line Open
P1348#8 Ion Line Open
P1351#1 MF Signal Line Open
P1352#2 MF Signal Line Open
P1353#3 MF Signal Line Open
P1354#4 MF Signal Line Open
P1355#5 MF Signal Line Open
P1356#6 MF Signal Line Open
P1357#7 MF Signal Line Open
P1358#8 MF Signal Line Open
P1372Vehicle speed sensor (VSS) – range/performance problemWiring, wheel speed sensor, mechanical fault
P1386Knock Sensor Control Zero Test
P1400 – P1499 (Emission control)
P1400Exhaust gas recirculation (EGR) system – monitor malfunctionWiring, EGR solenoid, EGR valve, mechanical fault, ECM
P1401Fuel tank leakage diagnostic module -system malfunctionFuel tank leakage diagnostic module
P1402Fuel tank leakage diagnostic module – motor malfunctionFuel tank leakage diagnostic module motor
P1403Fuel tank leakage diagnostic module – valve malfunctionFuel tank leakage diagnostic module valve
P1404Fuel tank leakage diagnostic module – heater malfunctionFuel tank leakage diagnostic module
P1405EGR Temperature Incorrect
P14152nd Air Injection Insufficient Bank 1
P14182nd Air Injection Insufficient Bank 2
P14192nd Air Injection Valve
P1440Evaporative emission (EVAP) system, vent   valve – circuit malfunctionWiring, EVAP canister purge valve, ECM
P1443EVAP System Tank Cap Missing
P1457Purge Solenoid Valve Low System Malfunction
P1458A/C Compressor Control Signal Malfunction
P1485EGR Solenoid Vacuum Valve Open Or Short
P1486EGR Solenoid Valve Vent Open or Short
P1487EGR Boost Sensor Solenoid Valve Open or Short
P1500 – P1599 (Vehicle or idle speed control)
P1500Vehicle Speed Signal Malfunction
P1501Battery sensor – high temperatureWiring, battery sensor, battery temperature too high
P1502Battery sensor – charge circuit lowWiring, battery sensor, charging system, ECM
P1503Cruise control switch – circuit malfunctionWiring, cruise control switch
P1504Cruise control switch, CANCEL – circuit malfunctionWiring, cruise control switch
P1505Idle air control (lAC) valve – opening coil circuit – open circuitWiring, lAC valve
P1506Idle air control (lAC) valve – opening coil circuit – short circuitWiring, lAC valve
P1507Idle air control (lAC) valve – closing coil circuit – open circuitWiring, lAC valve
P1508Idle air control (lAC) valve – closing coil circuit – short circuitWiring, lAC valve
P1509MPS - High
P1510Idle air control (lAC) valve – circuit malfunction – open/short circuitWiring, lAC valve, mechanical fault
P1511Idle air control {lAC) valve – circuit malfunction – open/short circuitWiring, lAC valve, mechanical fault
P1513Idle air control (lAC) valve – opening coil circuit – short circuitWiring, lAC valve, mechanical fault
P1514Oil Temperature Sensor
P1515Idle air control (lAC) valve – coil 1 – signal malfunctionWiring, lAC valve
P1516Idle air control {lAC) valve – coil 2 – signal malfunctionWiring, lAC valve
P1517Oil Temperature Sensor High
P1520Alternator – FR terminal malfunctionWiring
P1521Power steering pressure (PSP) switch – circuit malfunctionWiring, PSP switch
P1522Sensor Supply 1 Volt Low
P1523Throttle control system – lower stop not reachedThrottle body dirty/damaged, throttle binding, throttle return spring
P1524Sensor Supply 2 Volt Low
P1525Sensor Supply 2 Volt High
P1526Sensor Supply Voltage1 Malfunction
P1527Sensor Supply Voltage 2 Malfunction
P1529Transmission control module (TCM) – communicationWiring, TCM, ECM
P1530Maximum Vehicle Speed Limiting
P1532Electronic Throttle Control System Malfunction Throttle Valve Stuck
P1543Brake Switch Signal Fault
P1545A/C Compressor Switch Open/Short
P1550Knock sensor (KS) – signal malfunctionWiring, KS, ECM
P1552Idle air control (lAC) valve – closing coil circuit – short circuitWiring, lAC valve, mechanical fault
P1553Idle air control (lAC) valve – closing coil circuit – open circuitWiring, lAC valve, mechanical fault
P1555Idle Co-Potentiometer Open/Short
P1560Knock sensor (KS) – signal malfunctionWiring, ECM
P1567Fuel Pressure Valve Current Low
P1568Fuel Pressure Valve Current Hi
P1569Current Pressure Control Valve
P1586AT coding – signal not plausibleWiring, mechanical fault
P1587CAN Communication Error MT/AT Recognition Error
P1600 – P1699 (ECM – computer output circuit)
P1600Serial Communication Malfunction
P1601Engine Control Module Supply Voltage
P1602Transmission control module (TCM) – serial communication problemWiring, TCM, ECM
P1603CAN Communication Bus Error
P1604No ID From ECU
P1605G-force sensor – circuit malfunctionWiring, G-force sensor, ECM
P1606G-force sensor – signal not plausibleWiring, G-force sensor, ECM
P1607Engine control module (ECM)/electronic throttle system (ETS) – communication malfunctionECM, ETS
P1608Electronic throttle system (ETS)/engine control module (ECM) – communication malfunctionETS, ECM
P1609Immobilizer control module – malfunctionWiring, immobilizer control module, ECM
P1610Immobilizer Error
P1611MIL request signal – circuiVvoltage lowWiring, ECM
P1612Immobilizer Malfunction
P1613MIL request signal - circuit/voltage highWiring, ECM
P1614MIL request signal - circuit/voltage highWiring, ECM
P1615Electronic throttle system (ETS), controller- malfunctionWiring, ETS to ECM
P1616Engine control relay – circuit malfunctionWiring, fuse, engine control relay
P1618Engine torque control – limit reached/exceededIntake air leak, electronic throttle system   (ETS), exhaust blockage, ECM
P1619Main Relay
P161BEngine torque control – limit reached/   exceededIntake air leak, electronic throttle system   (ETS), exhaust blockage, ECM
P1620A/C Relay Malfunction
P1621Fuel Cut Valve Malfunction
P1622A/C Control Relay Circuit Failure
P1623Malfunction indicator lamp (MIL) – circuit malfunctionWiring, MIL
P1624Engine coolant blower motor relay - low speed circuit malfunctionWiring, engine coolant blower motor relay
P1625Engine coolant blower motor relay – high speed circuit malfunctionWiring, engine coolant blower motor relay
P1626Immobilizer Indicator Malfunction
P1627A/C Condenser Fan
P1628Condenser Fan Circuit Low
P1629Condenser Fan Circuit High
P1630CAN Communication BUS OFF
P1631CAN Time Out ECU
P1632TCS System Malfunction
P1633Immobilizer Status Lamp
P1634Cruise Control Lamp Malfunction
P1635Water Heater Relay Malfunction
P1636Voltage Regulator For Injectors
P1638Engine Control Module Malfunction
P1639Engine Control Module Malfunction
P1640Main Relay Malfunction
P1641VI Motor Open / Short Coil 2
P1642Engine control module (ECM) – non immobilizer/incorrect typeECM
P1645Booster Voltage Operate Injector
P1646Booster Voltage Too High
P1647Threshold 1 Voltage Malfunction
P1652Ignition Switch Malfunction
P1653After-Run Check Error
P1660Cruise Control Switch Malfunction
P1665Ignition power stage A – circuit malfunctionWiring, ignition control module (ICM)
P1670Ignition power stage B – circuit malfunctionWiring, ignition control module (ICM)
P1672Fan Relay Malfunction Low Speed
P1673Fan Relay Malfunction High Speed
P1674A/C Fan Relay Malfunction
P1690Immobilizer system – malfunctionWiring, immobilizer control module, ECM
P1691Immobilizer system – antenna malfunctionWiring, antenna, immobilizer control module
P1692Immobilizer Indicator Lamp Error
P1693Transmission control module (TCM) MIL request circuit - circuit malfunctionWiring, TCM, ECM
P1694Immobilizer system – ECM signal malfunctionWiring, ECM
P1695Immobilizer system – ECM EPROM   malfunctionWiring, ECM
P1696Immobilizer system – ECM EPROM   malfunctionWiring, ECM
P1697Invalid Tester Request
P1698Key ID Not Valid
P1700 – P1799 (Transmission)
P1700Overdrive Lamp Circuit Malfunction
P1701Throttle Position Sensor
P1702Throttle Position Sensor Malfunction Adjustment
P1703Throttle Position Sensor Low Input
P1704Throttle Position Sensor High Input
P1706Inhibitor Switch
P1707Cruise control, brake pedal position (BPP)   switch – circuit malfunctionWiring, BPP switch
P1708Accelerator Switch
P1709Kick-Down Servo Switch
P1710Oil Temperature Sensor
P1711Oil Temperature Sensor Abnormal
P1712Oil Temperature Sensor Low Input
P1713Oil Temperature Sensor High Input
P1714Idle Switch
P1715AT pulse generators – open circuitWiring, mechanical fault
P1716Steering Sensor
P1717Steering Sensor Abnormal
P1718Steering Sensor Low Input
P1719Overdrive System Loss Of Signal
P1721Control Relay
P1722Control Relay - Abnormal
P1723Automatic Transmission Control Relay Stuck On
P1724Automatic Transmission Control Relay Electrical
P1725TOD Control Module Error
P1726Throttle Position Sensor Input Loss Of Signal
P1727Throttle Position Sensor Input Out Of Range
P1728Engine Control Module Open/Short To Battery
P1729Engine Control Module Short To Ground
P1730Front Speed Sensor Low Input
P1731Front Speed Sensor High
P1732Rear Speed Sensor Low Input
P1733Rear Speed Sensor High Input
P1734Speed Sensor Reference Low
P1735Speed Sensor Reference High
P1736Shift Motor Open
P1737Shift Motor Short To Ground
P1738Shift System Time Out
P1739General Position Encoder Fault
P1740Position1 Short To Ground
P1741Position 2 Short To Ground
P1742Position 3 Short To Ground
P1743Position 4 Short To Ground
P1744Lock Up Clutch System
P1745Transmission Control Module 'K' Line
P1746Transmission Control Module 'L' Line
P1747TCU-ECU Communication Line #1 Malfunction
P1748TCU-ECU Communication Line 2 Malfunction
P1749Serial Communication Link
P1750AT – shift control solenoidsWiring, mechanical fault
P1751Front Right Speed Sensor
P1752Rear Left Speed Sensor
P1753Rear Right Speed Sensor
P1754Lamp N
P1755Lamp D
P1756Lamp 3
P1757Lamp 2
P1758Lamp L
P1759Control Module Check Sum
P1760Control Module Programming
P1761Control Module
P1762Control Module
P1763Control Module ROM
P1764CAN Controller Malfunction
P1765Transmission control module (TCM) – torque reduction malfunctionWiring, TCM, ECM
P1766CAN Communication Bus Off
P1771Shifting Position
P1772Selection Position
P1773Gearbox Input Speed Sensor
P1774CRC Sensor
P1775Transmission Control Module Malfunction
P1776Power Control Module Malfunction
P1777Powertrain Control Module Output Malfunction
P1778Electro Valve Output Malfunction
P1779Stator Inhibit Relay Malfunction
P1780Push-Pull Sensor
P1782Actuator Position Sensor
P1786Engine RPM Output Circuit Malfunction
P1791TPS Input Circuit Malfunction
P1795Ground Return Circuit Malfunction
P1800 – P1899 (Transmission)
P1800Immobilizer Antenna Error
P1801Immobilizer Transponder Error
P1802Immobilizer Antenna Error
P1803Immobilizer ECU Signal Error
P1805Immobilizer EEPROM Error