Don't rule the TCM as it's more sensitive to voltage spikes than the
internal solenoids.


"selecteurocars" > wrote in message
...
> On Dec 30, 2:36 am, "Matt B." > wrote:
>> > wrote in message
>>
>> ...
>>
>> >I have a 1999 VW Jetta that had a voltage regulator failure, causing a
>> > high voltage output that I think affected the transmission shift
>> > solenoids. I say that because the transmission shifted fine before the
>> > regulator failed. It's stuck in second gear and I can't get it to
>> > shift. Does anyone know which component in the transmission that may
>> > have been damaged?
>>
>> > Thanks for your help in advance.
>>
>> That sounds like limp home mode to me. Might not be actual damage. Get
>> any
>> fault codes scanned and go from there.
>
> If an early '99 Jetta may be bad Valve body or harness for A/T--again
> must check codes including transmission codes. If transmission codes
> are hard codes-won't clear and you want to try to fix yourself, we
> could point you toward an excellent book our store,
> www.SelectEuroCars.com
> uses to test these. Unfortunately then, when the repair is done,
> trans fluid must be refilled to proper level and that should be done
> with VAG-Com, a factory computer or the equivalent.