Possible causes – Intake air leaks– Faulty front heated oxygen sensor– Ignition misfiring– Faulty fuel injectors– Exhaust gas leaks– Incorrect fuel pressure– Lack of fuel– Faulty Mass Air Flow (MAF) sensor– Incorrect Positive Crankcase Ventilation (PCV) hose connection Tech description If the P0171 is combined with the P0174 code, it’s very likely that the problem…
Tag: NISSAN
P1421 NISSAN Cold Start Control
Possible causes – Lack of intake air volume (block air filter)– Fuel injection system (Clogged fuel injector or bad fuel pump)– Faulty Engine Control Module (ECM) Tech description There is a factory service bulletin for the following Nissan models: 2007-2009 Nissan Versa 2007-2009 Nissan Versa Factory Service Bulletin OBDII Code P1421 When is the obd…
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…
P0560 NISSAN System Voltage Malfunction
Possible causes – Low battery charge– Battery defective– Loose or missing alternator drive belt– Faulty alternator– Open or short system voltage circuit Tech description Start by recharging or replacing the battery. When is the obd code mean? The P0560 code is detected when the Engine Control Module (ECM) voltage out of range. Symptoms – Engine…
C1155 NISSAN Brake Fluid Level Low
Possible causes – Low brake fluid level at the reservoir– Faulty brake fluid level sensor When is the obd code mean? Brake fluid level is low or communication line between the ABS actuator and electric unit (control unit) and brake fluid level switch is open or shorted. Symptoms – ABS light ON– Brake light ON…
P1730 NISSAN Automatic Transmission Interlock
Possible causes – Low coast brake solenoid valve harness is open or shorted – Low coast brake solenoid valve circuit poor electrical connection - Fault low coast brake solenoid valve - Faulty Automatic Transmission Fluid (ATF) pressure switch 2 When is the obd code mean? Diagnostic Trouble Code (DTC) P1730 is detected when Transmission Control…
U1011 NISSAN Invalid or Missing Data for Engine Air Intake
Possible causes – Harness or connectors (CAN communication line is open or shorted) – ECM Tech description Nissan has release service bulletins for this problem. A common cause with Nissan vehicles is the poor harness ground connection at the engine compartment and the ground connection behind the dash. Clean and resecure harness ground connection and…
U1001 NISSAN Invalid or Missing Data for Primary Id
Possible causes – Harness or connectors (CAN communication line is open or shorted)– ECM Tech description Nissan has release service bulletins for this problem. A common cause with Nissan vehicles is the poor harness ground connection at the engine compartment and the ground connection behind the dash. Clean and resecure harness ground connection and reset…
P1574 NISSAN ASCD Vehicle Speed Sensor
Possible causes – Harness or connectors of the Communication Are Network (CAN) communication line is open or shorted– Combination meter circuit is open or shorted– Faulty Combination meter– Faulty Vehicle speed sensor– Faulty Transmission Control Module When is the obd code mean? ECM detects a difference between two vehicle speed signals is out of the…