OBDII Toyota 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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| Toyota Codes | ||
|---|---|---|
| Trouble Code | Fault Location | Probable Cause |
| P0031 | Oxygen Sensor Heater Control Circuit Low Bank 1 Sensor 1 | Wiring, Electrical Connections |
| P0171 | System too lean, bank 1 | Intake/exhaust leak, AIR system, MAFNAF sensor, fuel pressure/pump, injector(s), HO2S |
| P0300 | Random Cylinder Misfire (Cylinder Not Specified) | Spark plug(s), HT lead(s), injector(s), ignition coil(s), low compression, wiring |
| P0301 | Cylinder #1 Misfire | Engine mechanical fault, wiring, ignition/fuel system, injector, ECT/MAF sensor, ECM |
| P0340 | Camshaft Position Sensor “A” Circuit Malfunction | Wiring, CMP sensor, ECM |
| P0420 | Catalytic converter system, bank 1 -efficiency below threshold | Catalytic converter, wiring, HO2S 2 |
| P0441 | Evaporative Emission Control System Incorrect Purge Flow | Charcoal canister, CCV Valve, Switching Valve, Gas Cap, Purge Valve |
| P0446 | Evaporative emission (EVAP) system, vent control -circuit malfunction | Wiring, EVAP canister purge valve, ECM |
| P0456 | EVAP Control System Leak Detected Very Small Leak | |
| P0500 | Vehicle Speed Sensor "A" | VSS, Software version, Wiring |
| P0741 | P0741 - Torque Converter Clutch Solenoid Performance | Worn valve sleeves, torque converter seal, gear pinion, ECM | P1000 – P1099 (Fuel and air metering and auxiliary emission control) |
| P1010 | Oil control valve/variable valve lift – LH bank – circuit malfunction | Wiring, oil control valve, variable valve lift oil pressure switch, ECM |
| P1011 | Oil control valve/variable valve lift – LH bank – open malfunction | Wiring, oil control valve, variable valve lift oil pressure switch, ECM |
| P1012 | Oil control valve/variable valve lift – LH bank – close malfunction | Wiring, oil control valve, variable valve lift oil pressure switch, ECM |
| P101D | Heated oxygen sensor (H02S) 1, bank 1 – heater circuit malfunction – stuck on | ECM |
| P1023 | Camshaft Position Signal Output B Circuit | |
| P102D | Heated oxygen sensor (H02S) 2, bank 1 – heater circuit malfunction – stuck on | ECM | P1100 – P1199 (Fuel and air metering) |
| P1100 | BARO Sensor Circuit Malfunction | Wiring, BARO sensor, ECM |
| P1115 | Coolant Temperature Sensor Circuit For Heat Storage System | |
| P1116 | Coolant Temperature Sensor Circuit Stack for Coolant Heat Storage System | |
| P1117 | Coolant Temperature Sensor Circuit Stack for Coolant Heat Storage System | |
| P1118 | Coolant Temperature Sensor Circuit High for Coolant Heat Storage System | |
| P1120 | Accelerator pedal position (APP) sensor - circuit malfunction | Wiring, APP sensor, ECM |
| P1121 | Accelerator pedal position (APP) sensor - range/performance problem | APP sensor, ECM |
| P1123 | Coolant Flow Control Valve Position Sensor Circuit High | |
| P1125 | Throttle actuator control (TAC) motor - circuit malfunction | Wiring, TAC motor, ECM |
| P1126 | Magnetic clutch - circuit malfunction | Wiring, magnetic clutch, ECM |
| P1127 | Throttle actuator control (TAC) power source - circuit malfunction | Wiring, ECM |
| P1128 | Throttle actuator control (TAC) lock - malfunction | TAC motor, throttle body, ECM |
| P1129 | Throttle actuator control (TAC) system - malfunction | TAC system, ECM |
| P1130 | Heated oxygen sensor (H02S)- LH front- range/performance malfunction | Wiring, H025, air induction system, fuel pressure, injector(s), ECM |
| P1133 | Heated oxygen sensor (H02S) – LH front- response malfunction | H02S, air induction system, fuel pressure, injector(s), ECM |
| P1135 | Heated oxygen sensor (H02S) – LH front – heater circuit malfunction | Wiring, H02S, ECM |
| P1150 | Air fuel sensor - California - RH front - performance malfunction | Wiring, air fuel ratio sensor, ECM |
| P1153 | Air fuel sensor - California - RH front - response malfunction | Air fuel ratio sensor |
| P1155 | Air fuel sensor - California - RH front - heater circuit malfunction | Wiring, air fuel ratio sensor, ECM |
| P1170 | Port Injector Fuel Performance | P1200 – P1299 (Fuel and air metering – injector circuit) |
| P1200 | Fuel pump (FP) relay/ECM - circuit malfunction | Wiring, fuel pump/control module, ECM |
| P1215 | Electronic Driving Unit Circuit | |
| P1222 | Throttle Motor Circuit | |
| P1228 | Fuel Pump Malfunction | |
| P1229 | Fuel System Over Pressure | |
| P1235 | High Pressure Fuel Pump Circuit | |
| P1236 | High Pressure Fuel Pump Number 2 Circuit | |
| P1276 | Port Injector Circuit Number 1 | |
| P1277 | Port Injector Circuit Number 2 | |
| P1278 | Port Injector Circuit Number 3 | |
| P1279 | Port Injector Circuit Number 4 | P1300 – P1399 (Ignition system or misfire) |
| P1300 | Ignition control - circuit malfunction | Wiring, ignition module, ECM |
| P1305 | Ignition control - cylinder No. 2 - circuit malfunction | Wiring, ignition coil/module, ECM |
| P1310 | Ignition control - cylinder No. 3 - circuit malfunction | Wiring, ignition coil/module, ECM |
| P1315 | Ignition control - cylinder No. 4 - circuit malfunction | Wiring, ignition coil/module, ECM |
| P1320 | Ignition control - cylinder No. 5 - circuit malfunction | Wiring, ignition coil/module, ECM |
| P1325 | Ignition control - cylinder No. 6 - circuit malfunction | Wiring, ignition coil/module, ECM |
| P1330 | Ignition control - cylinder No. 7 - circuit malfunction | Wiring, ignition module/coil, ECM |
| P1335 | Crankshaft position (CKP) sensor - circuit malfunction | Wiring, CKP sensor, ECM |
| P1340 | Ignition control - cylinder No. 8 - circuit malfunction | Wiring, ignition module/coil, ECM |
| P1341 | Camshaft Position Sensor 'A' No Signal Over 600 RPM Bank 1 Sensor 2 | |
| P1342 | Camshaft Position Sensor 'A' Low Input | |
| P1343 | Camshaft Position Sensor 'A' High Input | |
| P1345 | Variable valve timing sensor - LH bank - circuit malfunction | Wiring, valve timing sensor, ECM |
| P1346 | Variable valve timing sensor - LH bank - range/performance problem | Valve timing, ECM |
| P1349 | Camshaft position (CMP) actuator system - malfunction | Valve timing, CMP actuator, ECM |
| P1350 | Variable valve timing sensor - RH bank - circuit malfunction | Wiring, valve timing sensor, ECM |
| P1351 | Variable valve timing sensor - RH bank - range/performance problem | Valve timing, ECM |
| P1354 | Variable valve timing system - RH bank - malfunction | Valve timing, oil control valve, valve control module, ECM timing |
| P1360 | 'A' Camshaft Position Actuator Circuit Open/Low/High Bank 1 | |
| P1361 | 'A' Camshaft Position Actuator Circuit Open/Low/High Bank 2 | |
| P1362 | 'B' Camshaft Position Actuator Circuit Open/Low/High Bank 1 | |
| P1363 | 'B' Camshaft Position Actuator Circuit Open/Low/High Bank 2 | |
| P1364 | 'C' Camshaft Position Actuator Circuit Open/Low/High Bank 1 | |
| P1366 | 'E' Camshaft Position Actuator Circuit Open/Low/High Bank 1 | |
| P1367 | 'E' Camshaft Position Actuator Circuit Open/Low/High Bank 2 | P1400 – P1499 (Emission control) |
| P1400 | Throttle position (TP) sensor 2 - circuit malfunction | Wiring, TP sensor, ECM |
| P1401 | Throttle position (TP) sensor 2 - range/ performance problem | TP sensor |
| P1405 | Turbocharger (TC) pressure sensor - circuit malfunction | Wiring, TC pressure sensor, ECM |
| P1406 | Turbocharger (TC) pressure sensor - range/ performance problem | TC pressure sensor |
| P1410 | Exhaust gas recirculation (EGR) valve position sensor - malfunction | Wiring, EGR valve position sensor, ECM |
| P1411 | Exhaust gas recirculation (EGR) valve position sensor - range/performance problem | EGR valve position sensor |
| P1420 | EVAP Canister Small Leak | |
| P1421 | EVAP Canister Gross Leak | |
| P1422 | Fuel Tank Small leak | |
| P1423 | Fuel Tank Gross Leak | |
| P1436 | Bypass Valve Malfunction | |
| P1440 | Secondary Air Injection Vacuum Switching Valve Circuit Malfunction Bank 1 | Wiring, AIR, ECM |
| P1441 | Secondary Air Injection System Switching Valve No.2 Stuck Open Bank 1 | Wiring, AIR, ECM |
| P1442 | Stuck Closed In Secondary Air Injection Vacuum Switching Valve Bank 1 | Wiring, AIR, vacuum hose, ECM |
| P1443 | Secondary Air Injection Vacuum Switching Valve Circuit Malfunction Bank 2 | Wiring, AIR, ECM |
| P1444 | Secondary Air Injection System Switching Valve Stuck Open Bank 2 | Wiring, AIR, ECM |
| P1445 | Secondary Air Injection System Switching Valve Stuck Close Bank 2 | Wiring, AIR, vacuum hose, ECM |
| P1450 | Fuel Tank Pressure Sensor | |
| P1451 | Fuel Tank Pressure Sensor Range/Performance | |
| P1452 | Fuel Tank Pressure Sensor Low Input | |
| P1453 | Fuel Tank Pressure Sensor High Input | |
| P1455 | Vapor Reducing Fuel Tank System Malfunction | P1500 – P1599 (Vehicle or idle speed control) |
| P1500 | Starter signal - circuit malfunction | Wiring, ignition switch, engine control relay, ECM |
| P1510 | Supercharger (SC) pressure control - circuit malfunction | Wiring, SC magnetic clutch/relay, SC bypass valve, Intake system, ECM |
| P1511 | Turbocharger (TC) pressure - too low | Intake system/air control valve, wiring, TC wastegate regulating valve/actuator, ECM |
| P1512 | Turbocharger (TC) pressure - too high | Wiring, TC wastegate regulating valve/ actuator, ECM |
| P1520 | Stop lamp switch - signal malfunction | Wiring, stop lamp switch, ECM |
| P1550 | Battery Current Sensor Circuit Range/Performance | |
| P1551 | Battery Current Sensor Circuit Low Input | |
| P1552 | Battery Current Sensor Circuit High Input | |
| P1555 | Reactor Temperature Sensor Circuit Low | |
| P1556 | Reactor Temperature Sensor Circuit High | |
| P1557 | DC/DC Converter Temperature Sensor Circuit | |
| P1565 | Cruise control switch - signal malfunction | Wiring, cruise control switch, ECM |
| P1566 | Cruise Control Main Switch Circuit Malfunction | |
| P1569 | Brake system – malfunction | ABS system, ABS control module |
| P1570 | Radar Sensor Malfunction | Cruise control laser radar sensor, cruise control module, ECM |
| P1572 | Improper Aiming Of Radar Sensor Beam Axis | Cruise control laser radar sensor alignment, cruise control laser radar sensor |
| P1575 | Cruise control/skid control warning buzzer – malfunction | Wiring, warning buzzer, ABS control module |
| P1578 | Brake system – malfunction | ABS system, ABS control module |
| P1589 | Acceleration Sensor Learning Value | P1600 – P1699 (ECM – computer output circuit) |
| P1600 | Engine control module (ECM) - supply voltage | Wiring, ECM |
| P1601 | Injector Correction Circuit Malfunction | |
| P1602 | Battery voltage monitor – malfunction | Wiring, battery, ECM |
| P1603 | Engine Stall History | |
| P1604 | Startability Malfunction | |
| P1605 | Knock control - malfunction | ECM |
| P1607 | Cruise Control Input Processor | Wiring, ECM |
| P1613 | Secondary air injection (AIR) – malfunction | Wiring, AIR, ECM |
| P1614 | Secondary air injection (AIR), bank 2 – malfunction | Wiring, AIR, ECM |
| P1615 | CAN data bus, cruise control module – communication error | Wiring, cruise control module, ECM |
| P1616 | CAN data bus, cruise control module – communication error | Wiring, ECM, cruise control module |
| P1630 | Traction control system - malfunction | Wiring, throttle control module, ECM |
| P1631 | Communication Error Between From ECM To VSC | |
| P1633 | Engine control module (ECM) - throttle actuator control (TAC) system - malfunction | ECM |
| P1645 | Body control module - malfunction | Body control module, A/C control module, wiring |
| P1647 | Transmission control module (TCM) - system malfunction | Trouble code(s) stored |
| P1652 | Turbocharger (TC) 2 air control solenoid - circuit malfunction | Wiring, air control solenoid, ECM |
| P1653 | SCV Circuit Malfunction | |
| P1656 | Oil control valve - circuit malfunction | Wiring, oil control valve, ECM |
| P1658 | Turbocharger (TC) wastegate regulating valve - circuit malfunction | Wiring, TC wastegate regulating valve, ECM |
| P1661 | Turbocharger (TC) 2 exhaust gas control valve - circuit malfunction | Wiring, exhaust gas control valve, ECM |
| P1662 | Exhaust bypass valve - circuit malfunction | Wiring, exhaust bypass valve, ECM |
| P1663 | Oil control valve/variable valve timing - RH bank - malfunction | Wiring, oil control valve, ECM |
| P1690 | Oil control valve/variable valve timing - malfunction | Wiring, oil control valve, ECM |
| P1692 | Variable valve timing - malfunction | Wiring, valve timing sensor, ECM |
| P1693 | Variable valve timing - malfunction | Wiring, valve timing sensor, ECM | P1700 – P1799 (Transmission) |
| P1700 | Output shaft speed (OSS) sensor | Wiring, OSS sensor, ECM |
| P1705 | AT - direct clutch speed sensor | Wiring, direct clutch speed sensor, ECM |
| P1715 | Rear wheel speed sensor(s) - malfunction | Wiring, rear wheel speed sensor(s), ECM |
| P1725 | Input shaft speed (ISS) sensor/turbine shaft speed (TSS) sensor - circuit malfunction | Wiring, ISS sensor/TSS sensor, ECM |
| P1730 | Intermediate shaft speed sensor - AT | Wiring, intermediate shaft speed sensor, ECM |
| P1755 | Torque converter clutch (TCC) solenoid - circuit malfunction | Wiring, torque converter, TCC solenoid, ECM |
| P1760 | AT - pressure control shift solenoid | Wiring, shift solenoid, ECM |
| P1765 | AT - pressure control shift solenoid | Wiring, shift solenoid, ECM |
| P1770 | Differential lock solenoid - circuit malfunction | Wiring, differential lock solenoid, ECM |
| P1780 | Park/neutral position (PNP) switch - circuit malfunction | Wiring, PNP switch, ECM |
| P1781 | Shift lever switch - malfunction | Wiring, shift lever switch, ECM |
| P1782 | Transfer box low ratio switch – circuit malfunction | Wiring, transfer box low ratio switch, ECM |
| P1783 | Transfer box neutral switch – circuit malfunction | Wiring, transfer box neutral switch, ECM |
| P1790 | Shift/timing solenoid | Wiring, shift/timing solenoid, ECM | P1800 – P1899 (Transmission) |
| P1810 | CAN data bus malfunction - malfunction | Wiring |
| P1815 | Shift control solenoid - malfunction | Wiring, shift control solenoid, ECM |
| P1818 | Shift control solenoid - circuit malfunction | Wiring, shift control solenoid, ECM |
| P3193 | Fuel Run Out | Empty fuel tank |