Vw passat torque converter

Most of them are going to need an experts touch to diagnose. This list is presented with a combination of likely to cause the issue and repairability in mind first. There are many symptoms of low transmission fluid. The most noticeable one is going to be the transmission slipping.

If the transmission fluid is dirty or burnt , it can make the transmission behave in a way that is not normal and throw the P code. If the fluid is low or bad, replacing should be considered an urgent priority. The good news is that transmission fluid and filters are cheap.

The wiring harness that goes to and from the transmission is one of the more vulnerable pieces of wiring on a vehicle. Inspecting the harness for obvious signs of distress, checking the connection at the transmission itself, and finally a continuity test can go a long way in diagnosing your Passat. It is highly likely that the torque converter clutch solenoid TCC has gone bad. But, jumping straight to this conclusion without inspecting the transmission fluid and wiring can cause a lot of undue headache.

The torque converter itself or torque converter clutch can go bad and throw the P code. If the TCC seems to be functioning properly, it may be that the problem is in the transmission case itself.

It could be a valve body issue, a problem with the pressure going through the transmission, or a clogged filter. Articles on this site are always written with the DIY enthusiast in mind. Good luck with the P and your Volkswagen Passat. If there is anything that you would like to add, please feel free to leave a comment below. With P, the code gives you two reasons as to why the code has registered.

They are: Performance — The clutch, like all clutches, is failing. More often than not, this is going to be the issue. Volkswagen Passat P Diagnosis These are the most common problems that can cause the P in the Passat: Bad Torque Converter Lock up Solenoid — The solenoid that allows the torque converter to lock up is often the culprit.

This can be a tough problem for the shade tree mechanic to deal with. It involves a lot of checking for circuit resistance and testing the wiring. The good news is that when this clutch goes out the transmission will still take you to where you need to go.