HELP: 2003 A4 Cabriolet Electrical Issues, Need CCM Compatibility
#2
AudiWorld Super User
If you jump start the car with ground on the battery
you already kill the ECU, that's why all your electronic components no longer working. Expensive mistake if you'd done that.
Cheers and good luck,
Louis
Cheers and good luck,
Louis
#3
AudiWorld Super User
Sorry... if the engine is running then the ECU is fine..
You can get one for about $30 or $350 (full version). that will tell you pretty much everything. When you get the codes, you will see clearly what components fail.
Check the board to see if there's anyone near your area. I think there are a few in the A8 D3 forum.
Cheers,
Louis
#4
AudiWorld Super User
You can't autoscan with cheap VCDS but
you can go to individual module and check to see what fails. Right now your concerns should be what's NOT working and it seems comfort control module is what you need to communicate with.
First thing to do is to clear all codes, go to every single module and clear them with your cheap VCDS. After everything is cleared, then restart the engine, drive around and get the codes again. When the battery is dead and jumped, all codes were recorded and many problems caused by dead battery.
Cheers,
Louis
First thing to do is to clear all codes, go to every single module and clear them with your cheap VCDS. After everything is cleared, then restart the engine, drive around and get the codes again. When the battery is dead and jumped, all codes were recorded and many problems caused by dead battery.
Cheers,
Louis
#5
AudiWorld Super User
Basic VCDS
Clear codes only clear the fault, if the fault is intermittent or fixed, it won't come back.
I think you should clear all codes if you have the full version, I don't know if the cheap version can really do that.
1. Find out what's not working in the car, check for codes on that module only.
2. You can check the components by visual inspection + remove and install to make sure connections are good.
Cheers,
Louis
I think you should clear all codes if you have the full version, I don't know if the cheap version can really do that.
1. Find out what's not working in the car, check for codes on that module only.
2. You can check the components by visual inspection + remove and install to make sure connections are good.
Cheers,
Louis
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