Nissan Pathfinder U1000: Meaning, Causes + Diagnosis

U1000 is a manufacturer-specific trouble code.  It is very common to see in the Nissan Pathfinder, and any other Nissan-made vehicles (Nissan or Infiniti). How the Pathfinder’s CAN Bus System Works Before jumping into figuring out what is causing U1000 in your Nissan Pathfinder, it’s important to have an understanding of the CAN bus system. … Read more

Nissan Pathfinder:  Bad Knock Sensor Symptoms

Modern vehicles use knock sensors to detect engine detonation.  This allows the PCM (powertrain control module) to run very aggressive spark timing.  If you are concerned that your Nissan Pathfinder has a bad knock sensor, we’ve listed them out below. A knock sensor works by listening to your engine and determining if your Pathfinder is … Read more

Nissan Pathfinder U0101:  Meaning, Causes, + Diagnosis

U0101 is a generic powertrain code, which means it has the same definition for the Nissan Pathfinder as it would any other vehicle.  It means that your Pathfinder’s TCM (Transmission Control Module) can’t communicate with the rest of the vehicle, usually due to a bad wiring harness or an issue with the  TCM itself. U0101 … Read more

Nissan Pathfinder P219B: Causes, Diagnosis, + Symptoms

P219B is a generic OBD2 trouble code.  This code indicates that your Nissan Pathfinder’s air/fuel ratio is out of balance (too rich or too lean) on the bank 2 side of the engine in question. Your Pathfinder is equipped with oxygen sensors that measure the air-fuel ratio of your engine. It’s these sensors that are … Read more

Nissan Pathfinder: P219A Meaning, Causes, & Diagnosis

P219A is a generic OBDII code.  The code indicates that your Nissan Pathfinder’s air/fuel ratio is out of balance (too rich or too lean). Your Pathfinder is equipped with oxygen sensors that measure the air-fuel ratio of your engine. It’s these sensors that are reporting the problem with the air-fuel ratio.   With P219A are … Read more

P2097 Nissan Pathfinder

P2097 is a generic OBD II code, which means that it has the same meaning for the Nissan Pathfinder as it would any other vehicle.  It specifically indicates that your Pathfinder detected that air-fuel mixture reading as the exhaust gas exits the catalytic converter is too rich. (too much fuel for the amount of fuel … Read more