Toyota Trouble Codes

Here is a list of the most common OBDII Trouble Codes for Toyota.

Trouble Code

Fault Location

Probable Cause

P0171

System too lean, bank 1

Intake/exhaust leak, AIR system, MAFNAF sensor, fuel pressure/pump, injector(s), HO2S

P0420

Catalytic converter system, bank 1 -efficiency below threshold

Catalytic converter, wiring, HO2S 2

P0446

Evaporative emission (EVAP) system, vent control -circuit malfunction

Wiring, EVAP canister purge valve, ECM

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

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