have 02 jetta.will the battery affect the ecu?

have 02 jetta.will the battery affect the ecu? 1 Answer

2003 Volkswagon Jetta Wagon 2.0 won't start; someone helping me jump start the battery had the cables on his end switched. I replaced the ECU and the dash board lights up, but won't start. 1 Answer

2003 Volkswagon Jetta Wagon 2.0 won't start; someone helping me jump start the battery had the cables on his end switched. I replaced the ECU and the dash board lights up, but won't start. Can someon...

How can I be sure the ecu is bad? 5 Answers

I have a 2006 Jetta w/2.5 engine. The check engine light flashes when the car first starts then stays on. The engine runs extremely rough while accelerating. The OBDII scanner says misfires detected...

2001 vw jetta vr6 the battery cables have to be unhooked for 10 minutes before you can reconnecgt them and start it...why 1 Answer

you have to unplug the battery cables after you stop the car for 10 minutes before you can hook them back on and start it?

I have a 2001 Volkswagen jetta gls 1.8t! Car was sitting for a few months! Battery was dead and wouldn't hold a charge! I replaced the battery and it started up! Now the car won't turn over at all! 1 Answer

When I went to start the car it wanted to turn over but bogged out 2 times the 3rd try it wouldn't turn over! All dash lights work and fan turns on so there is power from the battery! I believe s...