English 
vw cabrio speedometer tachometer not working
The vw cabrio car speedometer and tachometer not working, the reasons are as follows:
1 most of the reasons are the damage of the speed sensor.
2 the transmission grounding wire may be broken.
3 most likely, there is a problem with grounding.
The clip at the connection between the 4-way code meter and the transmission is loose.
Troubleshooting method:There are two situations when the speedometer and tachometer not working. One is that it doesn't move at 0, which generally shows that it is broken or short circuited; Another situation is to stay still at the highest point. That's what we often call running and exploding the watch. Just adjust it back.If it doesn't move at 0 and the mileage number doesn't move, there is a high probability that there is a problem with the speed sensor, or there may be a problem with the circuit between the instrument and the sensor. Go to the factory for maintenance, which is a small problem.
Failure to plug in the speed sensor, plug firmly and open circuit will cause the speedometer not to go. From the odometer, you can know how many kilometers you have traveled this time, and you can also remember how many kilometers you have traveled since leaving the factory. Odometer is divided into electronic odometer and mechanical odometer. Failure judgment of electronic odometer. Pull out the connector of the transmission and turn on the ignition switch.
The odometer should swing. If it is broken, change the line. If the mileage does not swing, check one end of the odometer and the odometer itself. In most cases, the line is broken.
Get a Quote / Info