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850 - P0500 - A1 code 232, ABS, shifting issues...

posted by  KlausC on  Tue Mar 28 10:09 CST 2017
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last visit: Fri Oct 24 10:15 CST 2014
[RELATED]

Thanks for the heads up. You are correct, the A-1 232 is speed signal missing at the TCU. For 1993-1995 850's, the speed signal goes through the instrument cluster before going to the TCU or ABS.

The subtle hint was that pushing the "W" allowed the tranny to shift to 3rd gear, and then pushing the "W" again made everything normal. That exercise eliminates the PNP switch as the culprit.


--
Keeping it running is better than buying new






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