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1990 Pontiac Grand Am LE 2.3L TCC
Posted to GM Transmission on 1/20/1998

This is one I can't come up with a solution to. The problem is that the vehicle shudders when TCC stays applied (commanded on) on decel from 45+ and will continue to shudder until the vehicle speed drops to 37mph. If I depress the brake pedal during the sympto...

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car Vehicle Data

1990 Pontiac Grand Am LE

VIN 1G2NE14D1L
Engine2.3 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI
AffectedTCC
ConditionsTCC Stays Applied Upon Decel
Misc.Prom Id 1803
Message Closed

car Vehicle Data

1990 Pontiac Grand Am LE

VIN 1G2NE14D1L
Engine2.3 L / 4 cyl / GAS
Trans3-speed Automatic
DeliveryFI
AffectedTCC
ConditionsTCC Stays Applied Upon Decel
Misc.Prom Id 1803