Fix transmission problems Equinox Pontiac Torrent TSB PIP3901
GM has issued a technical service bulletin (TSB) #PIP3901 to address issues trouble problems in these vehicles:
2005-2006 Chevrolet Equinox
2006 Pontiac Torrent
GM advises checking the transmission wiring harness in the bell housing area under the battery tray before replacing ANY parts. Reports show that the harness can rub through, causing a short to ground that sets a variety of transmission related trouble codes. If you find evidence of rub-through, repair the harness and clear the trouble codes. Then test drive the vehicle to assure they’re gone.
© 2012 Rick Muscoplat