Question about 2002 Volkswagen Passat
Hi, I replaced the old flat battery for my VW Passat Turbo 2002 and now it won't start. However it cranks well and seems like wanting to start but no spark for the engine. Probably some redoing of electronics etc is needed for the car to accept the new battery? I did some preliminary things and a mechanic also came to have a view but his gadget did not accept the codes to do the adaptation. Do you have a fix for me? What I tried already: 1. Insert key to driver door, 30 sec press right, 30 sec press left, press the remote lock buttton for 30 secs. It did open and close the windows, but no luck in starting. 2. remove + terminal of battery, wait for 10 minutes, attach +terminal again and try. I could see the clock etc starting fresh but no luck with starting. Regards
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Posted on Jan 02, 2017
SOURCE: electronic immobilizer
most likely cause is the gauge cluster, this will have to be tested and service by your local dealership because the dash cluster and keys have to be coded. I have seen the immobilizer loose it's coding for apearantly no reason. therefore have them recode cluster and see if problem goes away, if it doesn't the gauge cluster will have to be replaced.
Posted on Mar 28, 2009
SOURCE: E36 BMW 318I CENTRAL LOCKING
try locking and unlocking the car with the key 3 times slowly ,other than that i have no idea ?? another trick is to disconnect battery and join the cables together for a few minutes to discharge any capacitors that may be holding a charge in the computer..Only other thing i can think of is the main dealers who have the right connectors and software to re set it all .sorry i havent been of any help
Posted on Aug 05, 2009
my mum had a similar problem and it turn out the code the key transmits to the engine had gone wrong she took it to a vw dealer and they reprogrammed the key. it works fine now and is a common problem. hope that helps
Posted on Sep 18, 2009
It sounds like your Power Door Lock Relay is working intermintently. Bypass the relay and test the Power Door Locks with a jumper wire direct from the battery, if they work with no hesitation then it is a bad relay.
Posted on Aug 12, 2010
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