TPS effects tranny shifting??
Not sure if it is coincidence or fact but I was having issues with the 1st to 2nd shift, late engagement into gear and the TC staying locked when coming to a stop.
I went to a local tranny shop and the only code they could find was a TPS error. He reset the code and told me to drive it around to see if it was still having issues (at no charge :thumbsup:). Well now it shifts fine, in fact the engagement is not as harsh at it was and no more staying locked. Is it just coincidence or should I be getting a new TPS? I do plan on having this shop do a flush, filter, and once over on the tranny when I can get another vehicle while it's down. In your experience what parts other than a TPS could be causing the problems? Just so I have some idea what oops costs to expect. |
TPS, CPS, and VSS tells the PCM when to shift. If any one of those is sending a bad signal, the transmission won't shift correctly. Also, bad diodes in the alternator will introduce an AC voltage into the PCM which will also cause shifting and lockup problems.
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Soak the TPS in some contact cleaner and let dry overnight.
Then adjust it to spec and give that a whirl. |
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