P1400 TOYOTA Sub-Throttle Position Sensor Circuit Fault

Possible causes – Sub-Throttle Position Sensor harness is open or shorted– Sub-Throttle Position Sensor circuit poor electrical connection– Faulty Sub-Throttle Position Sensor Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

P0420 TOYOTA Catalyst System Efficiency Below Threshold Bank 1

Possible causes – Three way catalyst converter Bank 1– Exhaust tube– Intake air leaks– Fuel injectors may be faulty– Fuel injector leaks– Spark plugs may be faulty– Improper ignition timing– Engine Control Module (ECM) Tech description As the code description implies the P0420 code means that the vehicle’s control module has detected that the three-way…

P0430 TOYOTA Catalyst System Efficiency Below Threshold Bank 2

Possible causes – Three way catalyst converter Bank 2 – Exhaust tube – Intake air leaks – Fuel injectors may be faulty – Fuel injector leaks – Spark plugs may be faulty – Improper ignition timing – Engine Control Module (ECM) Tech description As the code description implies the P0430 code means that the vehicle’s…

P0617 TOYOTA Starter Relay Circuit High

Possible causes – Park/neutral position (PNP) relay (starter relay)– Park/neutral position (PNP) relay (starter relay) harness is open or shorted– Park/neutral position (PNP) relay (starter relay) circuit poor electrical connection– Faulty Transmission Control Module (TCM) When is the obd code mean? The P0617 code is detected when the Engine Control Module (ECM) has detected a…

P2251 TOYOTA Rear Air/Fuel Ratio Sensor Bank 1 Sensor 1 VS Line High Voltage

Possible causes – Rear Air/Fuel Ratio Sensor Bank 1 Sensor 1 harness is open or shorted– Rear Air/Fuel Ratio Sensor Bank 1 Sensor 1 circuit poor electrical connection– Faulty Rear Air/Fuel Ratio Sensor Bank 1 Sensor 1 Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2251 TOYOTA OBD Code Description The rear…

P2444 TOYOTA Secondary Air Injection System Pump Stuck ON Bank 1

Possible causes – Short in Air Pump circuit– Air pump assembly– Faulty Pressure Sensor– Pressure Sensor harness is open or shorted– Pressure Sensor circuit poor electrical connection When is the obd code mean? If the pressure level from the sensor has not reached a certain level despite the ECM turning on the air pump,or if…

P2769 TOYOTA Torque Converter Clutch Solenoid Circuit Low

Possible causes - Short in shift solenoid valve DSL circuit- Faulty Shift solenoid valve DSL- Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P2769 TOYOTA OBD Code Description The shift solenoid valve DSL is turned “ON” and “OFF” by signals from the Engine Control Module (ECM) in order…

P1630 TOYOTA Communication Error Between From ECM To VSC

Possible causes – Skid Control ECU / Engine Control Module (ECM) harness is open or shorted– Skid Control ECU / Engine Control Module (ECM) circuit poor electrical connection– Faulty Skid Control ECU– Faulty Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1630 TOYOTA OBD Code Description The Skid…