Category Archives: Volkswagen

Volkswagen automotive repairs

How to Replace a Coolant Temperature Sensor Volkswagen Passat (1999-2005)

A 2004 Volkswagen Passat 1.8T came in with the check engine light on. I hooked up an OBD2 scanner and pulled a P0117. P0117 is Engine Coolant Temperature (ECT) Sensor Circuit Low Input. The PCM is seeing a voltage that is too low, which it reads like the coolant is extremely hot. Common causes are… Read More: How to Replace a Coolant Temperature Sensor Volkswagen Passat (1999-2005) »

What is The Best OBD II Scan Tool VW Passat? (1999 – 2005)

Finding the right OBD II scan tool to work on a Volkswagen Passat is easy enough, with some with more features than others. One of the things that the VW Passat unique is VAG-COM VCDS which goes beyond industry standard OBDII codes. All vehicles 1996 and newer have an OBDII port which started with OBD… Read More: What is The Best OBD II Scan Tool VW Passat?… »