17985 fault wont go away

4.2 V8 40v biturbo - 450 bhp
4.2 V8 40v biturbo - 480 bhp (plus)
Frazz82
2nd Gear
Posts: 235
Joined: Thu Jul 18, 2019 9:59 am

Re: 17985 fault wont go away

Post by Frazz82 » Thu Feb 15, 2024 6:44 pm

Once this code clears all I am left with is the gearbox ones of 18223 an 18243 which I am leaning more an more towards the TCU.

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Shoppinit
Cruising
Posts: 20298
Joined: Wed Dec 31, 2008 6:24 pm

Re: 17985 fault wont go away

Post by Shoppinit » Thu Feb 15, 2024 6:58 pm

Get a spare TCU. It’ll never be worth less than what you pay for it.
Daytona RS6 C5 Avant. Viper'd, Billies, Waggers, MTM box brain, C6 stoppers, xcarlink, R8 coolant cap (woohoo)
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
"The major difference between a thing that might go wrong and a thing that cannot possibly go wrong is that when a thing that cannot possibly go wrong goes wrong it usually turns out to be impossible to get at and repair."

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