P0571 TOYOTA Brake Switch A Circuit

Possible causes – Faulty Brake Switch– Misadjusted brake switch– Brake Switch harness is open or shorted– Brake Switch circuit poor electrical connection When is the obd code mean? The P0571 codes is set when the stop light switch does not turn off even once the vehicle is driven. Symptoms – Engine Light ON (or Service…

P0572 TOYOTA Cruise Control/Brake Switch A Circuit Low

Possible causes – Faulty Brake Switch– Misadjusted brake switch– Brake Switch harness is open or shorted– Brake Switch circuit poor electrical connection When is the obd code mean? The P0572 codes is set when the stop light switch signal is too low. Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Stop light…

P0412 TOYOTA Secondary Air Injection System Switching Valve A Circuit Malfunction

Possible causes – Faulty Air Pump inoperative– Air bypass solenoid harness is open or shorted– Air bypass solenoid circuit poor electrical connection When is the obd code mean? The DTC P0412 is detected the the AIR vacuum control solenoid circuit not operating as desired by the PCM. Symptoms – Engine Light ON (or Service Engine…

P0415 TOYOTA Secondary Air Injection System Switching Valve B Circuit Malfunction

Possible causes – Faulty Air Pump inoperative– Air bypass solenoid harness is open or shorted– Air bypass solenoid circuit poor electrical connection When is the obd code mean? The DTC P0415 is detected the the AIR vacuum control solenoid circuit not operating as desired by the PCM. Symptoms – Engine Light ON (or Service Engine…

P0419 TOYOTA Secondary Air Injection System Relay B Circuit Malfunction

Possible causes – Faulty Air Pump inoperative– Air bypass solenoid harness is open or shorted– Air bypass solenoid circuit poor electrical connection When is the obd code mean? The DTC P0419 is detected the the AIR vacuum control solenoid circuit not operating as desired by the PCM. Symptoms – Engine Light ON (or Service Engine…

P1135 TOYOTA Air/Fuel Ratio Sensor Heater Circuit Malfunction Bank 1 Sensor 1

Possible causes – Faulty Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1– Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1 harness is open or shorted– Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1 circuit poor electrical connection – Faulty Engine Control Module (ECM) When is the obd code mean? The P1135 is set when the…

P0031 TOYOTA Oxygen Sensor Heater Control Circuit Low Bank 1 Sensor 1

Possible causes – Faulty Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1– Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1 harness is open shorted to ground– Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1 circuit poor electrical connection– Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1 circuit fuse– Faulty Engine Control Module (ECM) Tech description…

P0032 TOYOTA Oxygen Sensor Heater Control Circuit High Bank 1 Sensor 1

Possible causes – Faulty Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1– Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1 harness is open shorted to ground– Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1 circuit poor electrical connection– Air-Fuel Ratio (A/F) Sensor Bank 1 Sensor 1 circuit fuse– Faulty Engine Control Module (ECM) When is…