problem with diagnostic

   #1  

Raimondas

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hi car passat b6 2007 dont star vcds canot conect to any module it shows no respons from controler.instrument cluster shows multiply erors,autoscan also wont work showsfuncion not suported by cangatvay.few days past all working and wit the same cable,i chec fuses all ok
 
   #2  

Mari

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... so a few days ago you were able to do an autoscan and now you can't? Did you change something on the car? Is there power on the OBD-connector?
 
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Raimondas

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i was changing alternator but after that i was driwing all day,and sudenly car enzine shut down,power on obd is ,autoscan few days works but now even manul al blocks dont respond
 
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PetrolDave

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Measure the battery voltage, I suspect it will be very low and need charging?
 
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Raimondas

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batery voltage over 13 volts
 
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DV52

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@Raimondas : Hi. It will be very difficult to provide meaningful responses to your problem with such little information. I would have guessed a battery issue too (as per @PetrolDave suggestion) given the only useful data is a retrofit alternator and a day's driving!!

So does the engine crank? Does the instrument panel respond to an ignition key turn? Is there any indication that the rail voltage in the car is healthy? Where on the car did you measure "over 13 volts"? Have you confirmed the integrity of the battery earth?

Don
 
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   #7  

Raimondas

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engine starts for 3 second after long time non starting voltage mesuring at batery olso try change batery to other but it was the same
 
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