Audi Q7 P0135: Heated 02 Sensor – Heating Element Failed

P0135 is a very common OBDII code that occurs in the Audi Q7. It is caused by a failure in one of the oxygen sensors heated elements, specifically bank 1 sensor 1. It technically stands for:     The purpose of the heated element in the oxygen sensor is to quickly bring your O2 sensor … Read more

P0128 Audi Q7: Meaning, Causes, How to Fix

The P0128 OBD II trouble code indicates that your Audi Q7’s engine coolant temperature has not reached its required operating temperature within a certain amount of time after starting the vehicle. This code can appear as soon as you start your vehicle, or it can also occur while driving. It’s essential to address this issue … Read more

Audi Q7 P0122: TPS “A” Circuit Low Input

P0122 is a common trouble code with the Audi Q7. It’s an OBDII code that references issues with the Throttle Position Sensor (TPS). It is relatively serious problem since it can leave your vehicle stranded or severely limited.     OBDII code P0122 is a serious problem that requires serious attention. Diagnosing it can be … Read more

Audi Q7 P0420: Meaning, Causes, + How to Fix

This page is meant to help you troubleshoot the Audi Q7 P0420 trouble code. It covers the P0420 code’s meaning, symptoms, causes, and possible solutions. P0420 is the most common OBDII code and is virtually never a breakdown risk. A failing oxygen sensor or bad catalytic converter are the most common causes of P0420. Table … Read more

Audi Q7 P0014: Causes + How to Fix

P0014 is a relatively common trouble code for vehicles that have Variable Valve Timing (VVT). This includes the Audi Q7.  VVT adjusts the position of the camshaft(s) to maximize the combustion efficiency of the motor. P0014 means that the camshaft position is too far advanced from where it should be in relation to normal operating … Read more

Audi Q7 P0456: Meaning, Causes, How to Fix

One of the most common trouble codes with the Audi Q7 is the P0456 code. This trouble code references a number that is given to you when you plug your Q7 into an OBDII scanner. P0456 Indicates that there is a small leak in the evaporative emission control system. It often appears with or is … Read more

Audi Q7 P0455: Meaning, Causes, + How to Fix

P0455 in the Audi Q7 is a trouble code that indicates your truck has a LARGE evaporative emissions leak. With this code, you shouldn’t notice any symptoms besides perhaps a noticeable fuel smell. P0455 usually is not an immediate threat to the driveability of your Q7. But, whenever the check engine light is on, it’s … Read more

Audi Q7 P0341: CPS – Range/Performance

P0341 is a somewhat common OBDII diagnostic code in the Audi Q7. It means that there is a Range/Performance problem. In layman terms this means that there is a problem with the signal coming from the Camshaft Position Sensor (CPS).   OBDII P0341 means that there is a problem with the Camshaft Position Sensor (CPS) … Read more