Transmission

Asked by Oct 31, 2016 at 02:58 PM about the 2005 Pontiac Grand Prix GXP

Question type: Maintenance & Repair

My 05 Gran Prix won't shift gears automatically, I
have to take my foot off the gas pedal (going at
least 20 mph) then it will shift, but right after it
jerks a couple of times, it feel like it doesn't want to
go.  I already changed the spark plug wires,
replaced the ICM. also my "trac off" will go off and
on, as well as do door locks sometimes don't
work..Any ideas  

1 Answer

104,135

Have you check the fluid level? if that is correct when is the last time you performed a fluid change of the transmission. If those are OK you may want to look the shift solenoids. These will need to be checked and changed by a tranny shop..

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