P0136 MAZDA HO2S12 Circuit Fault

Possible causes – Faulty Rear Heated Oxygen Sensor Bank 1– Rear Heated Oxygen Sensor Bank 1 harness is open or shorted– Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description Replacing the Rear Heated Oxygen Sensor Bank…

P0139 MAZDA HO2S RR Circuit Problem

Possible causes – Faulty Rear Heated Oxygen Sensor Bank 1– Rear Heated Oxygen Sensor Bank 1 harness is open or shorted– Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description Replacing the Rear Heated Oxygen Sensor Bank…

P0140 MAZDA HO2S Rear Circuit No Activity Detected

Possible causes – Faulty Rear Heated Oxygen Sensor Bank 1– Rear Heated Oxygen Sensor Bank 1 harness is open or shorted– Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Inappropriate fuel pressure– Faulty fuel injectors– Intake air leaks may be faulty– Exhaust gas leaks Tech description Replacing the Rear Heated Oxygen Sensor Bank…

P0138 MAZDA HO2S RR Circuit High Input

Possible causes – Faulty Rear Heated Oxygen Sensor Bank 1– Rear Heated Oxygen Sensor Bank 1 harness is open or shorted– Rear Heated Oxygen Sensor Bank 1 circuit poor electrical connection– Intake air leaks– Exhaust gas leaks– Inappropriate fuel pressure– Faulty fuel injectors Tech description Replacing the Rear Heated Oxygen Sensor Bank 1 usually takes…

P0705 MAZDA Transmission Range Switch Short Circuit Condition

Possible causes – Faulty Park/Neutral Position Switch– Misadjusted Park/Neutral Position Switch– Park/Neutral Position Switch harness is open or shorted– Park/Neutral Position Switch circuit poor electrical connection When is the obd code mean? The transmission range switch detects the selector lever position and sends a signal to the TCM. Symptoms – Engine Light ON (or Service…

P0706 MAZDA Transmission Range Switch Open Circuit

Possible causes – Faulty Park/neutral position switch– Misadjusted park/neutral position switch– Park/neutral position switch harness is open or shorted– Park/neutral position switch circuit poor electrical connection When is the obd code mean? The transmission range switch detects the selector lever position and sends a signal to the TCM. Symptoms – Engine Light ON (or Service…

P0707 MAZDA Transmission Range Switch Circuit Low Input

Possible causes – Faulty Park/neutral position switch– Misadjusted park/neutral position switch– Park/neutral position switch harness is open or shorted– Park/neutral position switch circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0707 MAZDA OBD Code Description The park/neutral position (PNP) switch includes a transmission range switch. The transmission range…

P0708 MAZDA Transmission Range Switch Circuit High Input

Possible causes – Faulty Park/neutral position switch– Misadjusted park/neutral position switch– Park/neutral position switch harness is open or shorted– Park/neutral position switch circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0708 MAZDA OBD Code Description The park/neutral position (PNP) switch includes a transmission range switch. The transmission range…

P0709 MAZDA Transmission Range Sensor Circuit Intermittent

Possible causes – Faulty Park/neutral position switch– Misadjusted park/neutral position switch– Park/neutral position switch harness is open or shorted– Park/neutral position switch circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P0709 MAZDA OBD Code Description The park/neutral position (PNP) switch includes a transmission range switch. The transmission range…

P0552 MAZDA Power Steering Pressure Sensor Circuit Low Input

Possible causes – Faulty Power Steering Pressure Sensor– Power Steering Pressure Sensor harness is open or shorted– Power Steering Pressure Sensor circuit poor electrical connection When is the obd code mean? A low voltage from the Power Steering Pressure Sensor is sent to Engine Control Module (ECM). Symptoms – Engine Light ON (or Service Engine…