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Author Topic: Diagnostic fault code 17978  (Read 3602 times)

Offline UKflex

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Diagnostic fault code 17978
« on: 13 August 2003, 22:41 »

Had my MK3 chucked on the diagnostic machine, and a fault code ?17978? came up, but the bloke at the garage didn?t know what it was, anybody have any ideas??
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Offline sherbert

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Re:Diagnostic fault code 17978
« Reply #1 on: 13 August 2003, 23:14 »
Why dont you give your local VAG a ring and ask them. They'll probably charge you tho.
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mk3 gti 16v silver dream machine (Now has nice wheels :) )

Offline richandhazel

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Re:Diagnostic fault code 17978
« Reply #2 on: 14 August 2003, 10:36 »
Only codes I have access to are 4 figure numbers.  :(
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Offline adyh

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Re:Diagnostic fault code 17978
« Reply #3 on: 14 August 2003, 10:59 »
looking on the web this looks likely

"17978 engine control module blocked by immobilizer 35 - 00--"

you need to run a diag on the immobilizer, to see what is wrong there
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Offline UKflex

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Re:Diagnostic fault code 17978
« Reply #4 on: 14 August 2003, 11:40 »
Your right, it is to do with a immobirlizer fault, but the garage bloke said not to worry about it, has the car starts okay.

just out of interest, which site did you look at to get the descriptions for the fault codes??
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Offline adyh

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Re:Diagnostic fault code 17978
« Reply #5 on: 14 August 2003, 11:44 »
just googled for it . I reckon im gonna buy VAG COM , i cant seem to find a cheap lead anywhere
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Offline adyh

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Re:Diagnostic fault code 17978
« Reply #6 on: 14 August 2003, 11:44 »
also have you thought it may have something to do with your ABS problem  ?
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