Toyota Specific Trouble Codes

Check engine light p codes are coded according to the system they belong to. Generic codes start with P0. Manufacturer specific codes start with P1, but generally fall into the same guideline as below.

  • P0001 - P0099 - Fuel and Air Metering and Auxiliary Emission Controls
  • P0100 - P0199 - Fuel and Air Metering
  • P0200 - P0299 - Fuel and Air Metering (Injector Circuit)
  • P0300 - P0399 - Ignition System or Misfire
  • P0400 - P0499 - Auxiliary Emissions Controls
  • P0500 - P0599 - Vehicle Speed Controls and Idle Control System
  • P0600 - P0699 - Computer Output Circuit
  • P0700 - P0899 - Transmission

Toyota Trouble Codes 1000-1099

P1100 BARO Sensor Circuit.
P1120 Accelerator Pedal Position Sensor Circuit.
P1121 Accelerator Pedal Position Sensor Range/Performance Problem.
P1125 Throttle Control Motor Circuit.
P1126 Magnetic Clutch Circuit.
P1127 ETCS Actuator Power Source Circuit.
P1128 Throttle Control Motor Lock.
P1129 Electric Throttle Control System.
P1130 Air/Fuel Sensor Circuit Range/Performance. (Bank 1 Sensor 1)
P1133 Air/Fuel Sensor Circuit Response. (Bank 1 Sensor 1)
P1135 Air/Fuel Sensor Heater Circuit Response. (Bank 1 Sensor 1)
P1150 Air/Fuel Sensor Circuit Range/Performance. (Bank 1 Sensor 2)
P1153 Air/Fuel Sensor Circuit Response. (Bank 1 Sensor 2)
P1155 Air/Fuel Sensor Heater Circuit. (Bank 1 Sensor 2)

Toyota Trouble Codes 1200-1299

P1200 Fuel Pump Relay Circuit.

Toyota Trouble Codes 1300-1399

P1300 Igniter Circuit Malfunction – No. 1.
P1310 Igniter Circuit Malfunction – No. 2.
P1335 No Crankshaft Position Sensor Signal – Engine Running.
P1349 VVT System.

Toyota Trouble Codes 1400-1499

P1400 Sub-Throttle Position Sensor.
P1401 Sub-Throttle Position Sensor Range/Performance Problem.
P1405 Turbo Pressure Sensor Circuit.
P1406 Turbo Pressure Sensor Range/Performance Problem.
P1410 EGR Valve Position Sensor Circuit Malfunction.
P1411 EGR Valve Position Sensor Circuit Range/Performance.

Toyota Trouble Codes 1500-1599

P1500 Starter Signal Circuit.
P1510 Boost Pressure Control Circuit.
P1511 Boost Pressure Low.
P1512 Boost Pressure High.
P1520 Stop Lamp Switch Signal Malfunction.
P1565 Cruise Control Main Switch Circuit.

Toyota Trouble Codes 1600-1699

P1600 ECM BATT Malfunction
P1605 Knock Control CPU.
P1630 Traction Control System.
P1633 ECM.
P1652 Idle Air Control Valve Control Circuit.
P1656 OCV Circuit.
P1658 Wastegate Valve Control Circuit.
P1661 EGR Circuit.
P1662 EGR by-pass Valve Control Circuit.

Toyota Trouble Codes 1700-1799

P1780 Park/Neutral Position Switch Malfunction (Only For A/T)

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