P0121 Toyota Highlander

P0121 is a relatively common trouble code with the Toyota Highlander. It’s an OBDII code and has to do with the Throttle Pedal Position Sensor. It is relatively serious problem since it can leave your vehicle in failsafe mode. P0121: Throttle Pedal Position Sensor → Switch (TPS) A Circuit Range → Performance Problem OBDII code … Read more

P0303 Toyota Highlander: Cylinder 3 Misfire Diagnosis

If your Toyota Highlander has the P0303 trouble code, you should know that it’s about as common of a code as there is. It’s a generic code (same meaning for all vehicles) that indicates that your vehicle’s third cylinder is misfiring. P0303 is a real drivability concern and should be dealt with right away. If … Read more

Toyota Highlander P0440: Meaning, Causes, How to Fix

The P0440 code is a common trouble code that many Toyota Highlander owners may encounter. It indicates that there is an issue with the vehicle’s Evaporative Emission Control (EVAP) system. Specifically, the EVAP system is malfunctioning. A variety of causes can trigger the P0440 code, with the most common one being a loose or damaged … Read more

Toyota Highlander P0441: Meaning, Causes, How to Fix

P0441 is one of the more common OBD II codes that can occur in the Toyota Highlander.  It is frequently caused by a loose or bad gas cap, cracked or disconnected EVAP system hoses, vacuum leaks, or a bad purge valve. Always start by taking a look at the gas cap. P0441 is related to … Read more

P0496 Toyota Highlander

One of the most common trouble codes with the Toyota Highlander is the P0496 code. This code number references a number that is given to you when you plug your Highlander into an OBDII scanner. Below, you’ll find the most common symptoms and ways to diagnose the P0496 in your Toyota Highlander. Good Luck! Toyota … Read more

P0741 Toyota Highlander

P0741 is a very common OBDII trouble code. It’s know to affect the Toyota Highlander quite often. Here’s what it means: P0741: Torque Converter Clutch Circuit → Performance or Stuck Off The Highlander uses a clutch in the torque converter to lock the engine and transmission together at highway speed. P0741 can register whenever this … Read more

Toyota Highlander P0700 Code: Meaning, Causes, + How to Fix

A trouble code is a signal that is generated by an automatic transmission system whenever it detects an issue in the Toyota Highlander that requires your attention. The P0700 code is a general code that is typically accompanied by another code that specifies the specific problem. This code is part of the OBDII system and … Read more

P0449 Toyota Highlander

A somewhat common issue with the Toyota Highlander is the P0449 code. This code references a number that is given to you when you plug it into a OBD2 scanner. P0449 deals with the evaporative emissions control (EVAP) system. It often appears with, or is related other codes, such as P0420, P0446, and very often … Read more