Audi A3 P0123: TPS “A” Circuit → High Input

  P0123 is a relatively common OBD-II code.  It’s generic, which means it has the same meaning for the Audi A3 as it would any other vehicle. 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. The … Read more

Audi A3 P0332: Knock Sensor 2 → Low input (Bank 2)

P0332 is a powertrain related OBD-II trouble code. It has the same meaning for the Audi A3 as it would any other vehicle. By definition, P0332 means that the vehicles ECM/PCM is getting a signal that is lower than the defined operational range from the knock sensor (Sensor 2 | Bank 2). Clearing this code … Read more

Audi A3 P0327: Knock Sensor → Low input

  P0327 is a powertrain related OBD-II trouble code. It has the same meaning for the Audi A3 as it would any other vehicle. By definition, P0327 means that the vehicles ECM/PCM is getting a signal that is lower than the defined operational range. Clearing this code typically requires a new knock sensor or correcting … Read more

Audi A3: Door Ajar Warning Stays On

  Your Audi A3’s door ajar message can help you get a door all the way closed when you otherwise wouldn’t notice when it was open.  Over the life of the vehicle, it is possible for the door ajar warning to stay on even when the doors are, in fact, not ajar.   The door … Read more

Audi A3 Transmission Overheating: Causes and Diagnosis

Transmissions are an integral part of any vehicle, and overheating can lead to costly repairs or even permanent damage. Audi A3 owners should be aware of the common symptoms and causes of transmission overheating to prevent potential issues and ensure their trucks remain strong and reliable. In this article, we will discuss the common causes … Read more

Audi A3: SRS On Diagnosis

  When you start your Audi A3, the OBD-II system runs a self diagnostic check on all major systems.  If any of these checks fail, you will see a diagnostic warning light on the dash for the corresponding system.  When the SRS system fails this check, you’ll see the SRS light.  SRS stands for supplemental … Read more

Audi A3 Radiator Leak: Symptoms, Causes, Fix

The Audi A3 is particularly vulnerable to radiator leaks, which can cause the engine to overheat and lead to costly, long-term damage, such as a cracked head or a bad head gasket. If your Audi A3 is exhibiting signs of a leaking radiator, it is important to have it inspected and repaired as soon as … Read more

Audi A3 Leaking Heater Core Diagnosis

One of the most common problems that can happen to a vehicle is a heater core leak.  If your Audi A3 has a leaking heater core, it is not a breakdown risk.  Although, it is necessary to make sure that the lost coolant is replaced.  It can cause damage to the vehicle in other ways, … Read more

Audi A3 Bad Starter → Symptoms & Diagnosis

  One of the most common problems that can occur in the life of a vehicle is a bad starter, that includes the Audi A3.  It is important to determine whether or not it’s a bad starter that is keeping the vehicle from turning over. If your A3 is not starting, don’t assume right away … Read more

Audi A3: P0720 → OSS Circuit → Malfunction

P0720 is a generic OBD II trouble code, which means that it has the same meaning for your Audi A3 as it would any other vehicle.  It indicates that your A3’s OSS (Output Shaft Speed Sensor) is reporting a malfunction. It’s typically caused by a bad OSS, or a wiring problem. The OSS works by … Read more