Toyota Engine Trouble Codes

At Toy Car Care, we are more than just familiar with Toyota engine trouble codes; we can help repair any issues you may be having with your vehicle when the check engine light illuminates on your dash. Engine trouble codes are just guidelines to narrow down what your check engine light or other indicators may be presenting, but they are a great place to start the process.

Here are just some of the Toyota engine trouble codes to get you started:

P0100 – Mass Air Flow Circuit

P0101 – Mass Air Flow Circuit Range/Performance

P0105 – Manifold Absolute Pressure Circuit

P0106 – MAP/BARO Circuit Range/Performance

P0110 – Intake Air Temperature Circuit

P0115 – Engine Coolant Temperature Circuit

P0116 – Engine Coolant Temperature Range/Performance

P0120 – Throttle Pedal Sensor Switch “A” Circuit

P0121 – Throttle Pedal Sensor Switch “A” Circuit Range/Performance

P0125 – Insufficient Coolant Temperature for Closed Loop Fuel Sensor

P0130 – Heated Oxygen Sensor Circuit – Bank 1 Sensor 1

P0133 – Heated Oxygen Sensor Circuit Slow Response Bank 1 Sensor 1

P0135 – Heated Oxygen Sensor Circuit – Bank 1 Sensor 1-indicates a problem with the front oxygen sensor on bank 1

P0136 – Heated Oxygen Sensor Circuit – Bank 1 Sensor 2-indicates a problem with the rear oxygen sensor on bank 1

P0153 – Heated Oxygen Sensor Circuit Slow Response – Bank 2 Sensor 1

P0170 – Fuel Trim malfunction

P0171 – System too Lean

P0172 – System too Rich

P0201 – Injector Circuit – Cylinder 1

P0202 – Injector Circuit – Cylinder 2

P0203 – Injector Circuit – Cylinder 3

P0204 – Injector Circuit – Cylinder 4

P0205 – Injector Circuit – Cylinder 5

P0206 – Injector Circuit – Cylinder 6

P0300 – Random Misfire

P0301 – Misfire Detected – Cylinder 1

P0302 – Misfire Detected – Cylinder 2

P0303 – Misfire Detected – Cylinder 3

P0304 – Misfire Detected – Cylinder 4

P0305 – Misfire Detected – Cylinder 5

P0306 – Misfire Detected – Cylinder 6

P0325 – Knock Sensor 1 Circuit

P0330 – Knock Sensor 2 Circuit

P0335 – Crankshaft Position Sensor “A” Circuit

P0336 – Crankshaft Position Sensor “A” Circuit Range/Performance

P0340 – CMP Sensor Circuit Malfunction

P0385 – Crankshaft Position Sensor “B” NE2 Circuit

P0401 – EGR Flow Insufficient

P0402 – Exhaust Gas Recirculation Flow Excessive Flow Detected

P0430 – Catalyst System Efficiency below Threshold – Bank 2

P0440 – EVAP Control System Malfunction

P0441 – EVAP Control System Improper Purge Flow

P0442 – Small EVAP System Leak Detected

P0446 – EVAP Control System Vent Control

P0450 – EVAP Control System Pressure Sensor

P0451 – EVAP Control System Pressure Sensor Range/Performance

P0500 – Vehicle Speed Sensor

P0505 – Idle Speed Control System

P0510 – Close Throttle Position

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

P1133 – Air/Fuel Sensor Circuit

P1135 – Air/Fuel Sensor Heater Circuit Response – Bank 1, Sensor 1

P1150 – Air/Fuel Sensor Circuit Range/Performance

P1155 – Air/Fuel Sensor Heater Circuit

P1200 – Fuel Pump Relay Circuit

P1300 – Igniter Circuit – Number 1

P1310 – Igniter Circuit – Number 2

P1335 – No Crankshaft Position Sensor Signal – Engine 1

P1349 – Variable Valve Timing System Malfunction – Bank 1

P1400 – Sub-Throttle Position Sensor

P1410 – EGR Valve Position Sensor

P1500 – Starter Signal Circuit

P1520 – Stop Lamp Switch Signal Malfunction

P1565 – Cruise Control

P1600 – ECM

P1630 – Traction Control System

P1656 – OCV Circuit

P1780 – Park/Neutral Position Switch

Toy Car Care is here for all your Toyota engine trouble codes. When you bring your vehicle to our Centennial shop, we’ll start with the error code, then dig deeper to find the exact issue that triggered the light. From there, we’ll provide an estimate and explain what’s going on with your Toyota. And with the green light from you, we’ll make the repairs and get you back on the road.

For more information about Toy Car Care visit our website at


Steve Wilbur

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