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Pontiac Grand Prix GTP Problems

Erratic Shifting of the Automatic Transmission on Pontiac Grand Prix GTP

Problem Description and Possible Solution

The transmission pressure control solenoid may fail causing erratic shifting. Our technicians tell us that partial dis-assembly of the transmission is necessary to replace a failed pressure control solenoid.

(8 people reported this problem)

Pontiac Grand Prix GTP Vehicles With This Problem

RepairPal Verified
Average mileage: 149,664 (94,000–215,000)
5 model years affected: 1998, 2000, 2001, 2002, more2004
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Viewing 1-2 of 2 comments
Sometimes after going really fast in the car, when the car comes to the stop then go again he car seemed to move but the gears are like stuck and making really weird noise