Nissan P0744 indicates a problem with the torque converter clutch lock up function. However, the code does not automatically mean that the transmission needs replacement. Several faults can cause this code. These include a faulty TCC solenoid, damaged wiring, or a faulty electrical connector. A control valve problem can also cause P0744. In some cases, … Read more
Nissan P1610 is a NATS “LOCK MODE” diagnostic trouble code. It can prevent the engine from starting. Nissan service information identifies P1610 with the vehicle’s anti theft system. The exact trigger depends on the Nissan model and NATS configuration. Some Nissan service manuals link P1610 to repeated starting attempts with an unregistered key. Other cases … Read more
Nissan P0101 is a diagnostic trouble code related to the Mass Air Flow sensor system. The MAF sensor measures the air that enters the engine. The Engine Control Module uses this data to control engine operation. When the system detects an abnormal air flow signal, it can trigger the P0101 code. A P0101 code does … Read more
Nissan P0335 is a diagnostic trouble code related to the crankshaft position sensor circuit. The code indicates that the engine control system has detected a problem with the crankshaft position signal during engine operation or starting. However, P0335 does not automatically mean that the crankshaft position sensor itself has failed. The fault can also involve … Read more
Nissan P0430 is an OBD II trouble code. It means the catalyst system on Bank 2 has low efficiency. The engine control module detects this condition through the vehicle’s emissions sensors. Nissan P0430 does not always mean the catalytic converter has failed. A faulty oxygen sensor can trigger the code. An exhaust leak can also … Read more
The Nissan P1320 code indicates a problem with the ignition signal that the engine control system monitors during engine operation. The code is closely associated with the ignition system, so ignition coils and their electrical circuits are important areas to inspect. However, P1320 does not prove that an ignition coil has failed. Wiring problems, electrical … Read more
Nissan P0300 means the engine control module has detected random or multiple cylinder misfires. A misfire occurs when a cylinder fails to burn the air and fuel mixture correctly. This failure can make the engine run rough, shake, hesitate, or lose power. P0300 differs from codes such as P0301 or P0302. Those codes identify a … Read more
Nissan P0340 indicates a problem with the camshaft position sensor circuit. The Engine Control Module uses the camshaft position signal to monitor camshaft operation and coordinate engine functions. When the expected signal is missing, interrupted, or outside the expected operating range, the ECM can store P0340 and turn on the Check Engine Light. A P0340 … Read more
Nissan P1273 is a manufacturer specific diagnostic trouble code related to the air fuel ratio monitoring system on Bank 1. The Engine Control Module monitors feedback from the air fuel ratio sensor to determine whether the engine is operating within the expected fuel mixture range. When the ECM detects a signal or operating condition outside … Read more
Nissan P0455 is an OBD II diagnostic trouble code that indicates the vehicle has detected a large leak in the evaporative emission control system, commonly called the EVAP system. This system prevents fuel vapors from escaping from the fuel tank into the atmosphere by containing and routing them through components such as the charcoal canister, … Read more