P0118 NISSAN Engine Coolant Temperature Sensor Circuit High

Possible causes – Low engine coolant level– Faulty Engine Coolant Temperature (ECT) sensor– Faulty engine coolant thermostat– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection When is the obd code mean? An excessively high voltage from the sensor is sent to ECM. Symptoms –…

P1126 2000 NISSAN ALTIMA Thermostat Function

Possible causes – Low engine coolant level– Faulty Thermostat– Leakage from sealing portion of thermostat– Engine coolant temperature sensor Tech description If no coolant leaks are present, replacing the thermostat usually takes care of the problem. When is the obd code mean? The P1126 Code is detected when the engine coolant temperature does not reach…

P1126 2000 NISSAN MAXIMA Thermostat Function

Possible causes – Low engine coolant level– Faulty Thermostat– Leakage from sealing portion of thermostat– Engine coolant temperature sensor Tech description If no coolant leaks are present, replacing the thermostat usually takes care of the problem. When is the obd code mean? The P1126 Code is detected when the engine coolant temperature does not reach…

P1126 2001 NISSAN ALTIMA Thermostat Function

Possible causes – Low engine coolant level– Faulty Thermostat– Leakage from sealing portion of thermostat– Engine coolant temperature sensor Tech description If no coolant leaks are present, replacing the thermostat usually takes care of the problem. When is the obd code mean? The P1126 Code is detected when the engine coolant temperature does not reach…

P1126 2001 NISSAN MAXIMA Thermostat Function

Possible causes – Low engine coolant level– Faulty Thermostat– Leakage from sealing portion of thermostat– Engine coolant temperature sensor Tech description If no coolant leaks are present, replacing the thermostat usually takes care of the problem. When is the obd code mean? The P1126 Code is detected when the engine coolant temperature does not reach…

P1126 NISSAN Thermostat Function

Possible causes – Low engine coolant level– Faulty Thermostat– Leakage from sealing portion of thermostat– Engine coolant temperature sensor Tech description If no coolant leaks are present, replacing the thermostat usually takes care of the problem. For Nissan vehicles other than the 2000-2001 models see: P1126 Nissan When is the obd code mean? The P1126…

P0125 NISSAN Engine Coolant Temperature Sensor

Possible causes – Low engine coolant level– Leaking or stuck open thermostat– Faulty Engine Coolant Temperature (ECT) sensor– Engine Coolant Temperature (ECT) sensor harness is open or shorted– Engine Coolant Temperature (ECT) sensor electrical circuit poor connection When is the obd code mean? The voltage sent to Engine Control Module (ECM) from the Engine Coolant…

P0778 NISSAN Pressure Control Solenoid B Circuit

Possible causes – Low transmission fluid level– Dirty transmission fluid– Faulty line pressure solenoid ‘B’ valve– Line pressure solenoid ‘B’ valve harness is open or shorted– Line pressure solenoid ‘B’ valve circuit poor electrical connection When is the obd code mean? Engine Control Module (ECM) detectes an open or shorted condition on the solenoid circuit…

P0128 NISSAN Thermostat Function

Possible causes – Leaking or stuck open thermostat– Low engine coolant level– Insufficient warm up time– Faulty engine coolant temperature sensor– Engine coolant temperature sensor harness is open or shorted– Engine coolant temperature sensor circuit poor electrical connection Tech description If cooling system is not leaking and the fluid level is OK, replacing the thermostat…

P0603 NISSAN ECM Power Supply Circuit

Possible causes – Loose or poor battery terminal connection– Low battery charge– ECM power supply circuit is open or shorted– ECM Programing– Faulty ECM Tech description Start by charging the vehicles battery and clean terminal, once the battery is charged and the terminals are clean and secure, erase code. If the code comes back ON…