Re: Where is the vw passat 1.9tdi traction control...
It is part of the power train control module (PCM) and takes part of it's input from the wheel speed sensors located in each hub as well as the vehicle speed sensor located in the transmission
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Not likely replacing pads and rotors will shut it off. Something caused a code to set off usually a sensor error.The car should be scanned to find out what caused the abs to come on.As far as shutting it off most vehicles reset abs everytime the vehicle is started . The car then runs a quick self test on the abs and if it detects an error the light will come back on.
First, to read VW codes you will want to get yourself a $50 VAG tool. It will read all your systems, not just the ECU.
Electronic Power Control can go out for several reasons. Check your brake lights with the car running. Check you radiator fluid level. If the car is running bad, you could have bad spark plugs/ wires or ignition coil.
The traction control is tied into the ABS system and often causes problems here as well. Each wheel has a speed sensor and magnet wheel in the hub. You can check these for damage by removing the tires for access. The sensors come out by hand, and inside the hole they come out of is the place to check the magnets with a flash light. Apply a small amount of wheel bearing grease to the sensor.
The control unit goes out in these systems at an alarming rate. They can be easily removed, and repaired for under $200 at modulemaster.com
Since it is intermit, I suspect most likely a loose sensor, or electrical connector.
If your brakes feel squishy at all, bleed the brake lines of air and contaminants.
Good Luck!
There's a level sensor plugged into the bottom of the coolant reservoir. Unplug it and clean the contacts with electrical contact cleaner. If that doesn't do the trick, replace the sensor.
These problems do not seem to be related at all. The cause of the warm ac air could be several things from a low refrigerant charge to a plugged condensor fins to the compressor clutch not kicking in. You just have to follow a systematic approach when diagnosing these problems.
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