Volkswagen Transporter P0401: Meaning, Causes, How to Fix

P0401 is a very common OBDII trouble code that’ll pop up in the Volkswagen Transporter. It has to do with the emissions system and stands for Exhaust Gas Recirculation (EGR)→ Insufficient Flow. The EGR system in your van is responsible for recirculating exhaust gasses in order to lower the vehicle’s emissions output. There are three … Read more

Volkswagen Transporter P0456: Meaning, Causes, How to Fix

One of the most common trouble codes with the Volkswagen Transporter is the P0456 code. This trouble code references a number that is given to you when you plug your Transporter 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

Volkswagen Transporter P0446: Meaning, Causes, How to Fix

A prevalent issue with the Volkswagen Transporter is the P0446 code. This code corresponds to a specific number obtained when connecting your Transporter to an OBDII scanner. A faulty vent control valve most commonly causes P0446. Definition P0446: EVAP System – Vent Control Circuit – Malfunction Symptoms Usually none Common Causes Bad EVAP Vent Control … Read more

Volkswagen Transporter P0430 Code: Causes + How to Fix

This page is meant to help you troubleshoot the Volkswagen Transporter P0430 trouble code. It covers the P0430 code’s meaning, symptoms, causes, and possible solutions. P0430 is an emissions-related trouble code and is virtually never a breakdown risk. P0430 is usually caused by a catalytic converter issue or a bad O2 sensor. Table of Contents … Read more

Volkswagen Transporter P0420: Meaning, Causes, + How to Fix

This page is meant to help you troubleshoot the Volkswagen Transporter 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

Volkswagen Transporter P0174: Meaning, Causes, How to Fix

One of the most common trouble codes with the Volkswagen Transporter is P0174. It indicates that your Volkswagen Transporter is running lean on the bank two side of the engine.  P0174 and P0171 (fuel trim lean bank one) are the most frequently seen air/fuel mixture-related codes. If they appear together, it reduces the list of … Read more