Harsh shift P0717
Fix Harsh shift P0717
Harsh shift on Saab 9-7x, Buick Rainier, Chevrolet Trailblazer, Avalanche, Colorado, Silverado, Suburban, Tahoe, GMC Envoy, Canyon, Sierra, Yukon, Yukon XL, Hummer, vehicles, P0717
GM has issued a technical service bulletin (TSB) PIP4051B for the following vehicles with these transmissions;
4L60E, 4L65E, 4L70E
2006-08 Saab 9-7x
2006-07 Buick Rainier
2007-08 Chevrolet Trailblazer, Avalanche, Colorado, Silverado, Suburban, Tahoe
2006-08 GMC Envoy
2007-08 GMC Canyon, Sierra, Yukon, Yukon XL
2007-08 Hummer
The problem shows up as a harsh shift and trouble code P0717. Before performing any major repairs, check the condition of the wires at the input speed sensor. Inspection may show damage to the white wire going to the sensor. That wire is not protected by the plastic conduit and is exposed to sharp edges on the pump casting. Repair the wire and protect it from futther damage
© 2012 Rick Muscoplat
Posted on by Rick Muscoplat