Question about 1999 Volkswagen Passat
My 99 VW Passat had issues with the ignition coild, so I replaced them. Now all of a sudden the code reader says I am having trouble with my throttle body, VAG code 17967 and 17953. The car will start but will shut off after 5 seconds or so. The car has 106000 miles, but the engine and turbo was replaced at 6500 mile by the previous owner. Any ideas on why the TB just all of a sudden went out? .
Replace the ignition control unit which is bolted to the top of the air filter housing. Make sure to use a quality piece, and if it comes with white heat transfer grease, make sure to use it.
Posted on Aug 24, 2011
You need to have idle readdapted with proper scaner. because you diconnected battery computer lost the abilty to idle . it`s call idle addaptation any vw shop can do it. may charge 1 hrs labor
Posted on Mar 21, 2009
Unfortunately when you disconnected the battery, the ECU (engine control module) forgot the basic settings to run the car. That throttle body code is one of the symptoms. Try your ac if you are in a warm place, the compressor won't kick on, another symptom. I went through this twice already, once because I was putting in a stereo, the other time the battery went dead. Take it to a good VW dealer, call them first to make sure they can do it. I went to one and they said that this was not possible blah blah blah and wanted to install a new throttle body for 750 just in parts! Of course I went to a different dealer. It is a crime. So, call and find out if they can reload the basic settings. I don't know how you will get there if your car is auto, because it will probably stall at every light. Luckily mine is a manual and I could get through it.
Here is a link to explain further.
Print it out and bring it with you, it's helpful for the mechanics.
Make sure you tell them, reload the settings and clear the codes before you do anything else because the symptoms point to mechanical problems, however it is the computer that is fouling the system.
Posted on Jan 30, 2009
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Posted on Jan 02, 2017
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