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1994 Pontiac Grand Am SE 3.1L Limp In Mode
Posted to GM Transmission on 4/15/2005 8 Replies

ok all you GM trans techs,

94 pontiac grand am 3.1ltr 4spd auto, history codes 28,78 ran diag and both gear selector switch and output speed sensor seem to be working properly. Vehicle is stuck in limp in mode, in drive it is in 3rd gear, won't shift up or do...

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car Vehicle Data

1994 Pontiac Grand Am SE

VIN 1G2NE55MXR
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedLimp in Mode
ConditionsNo Up Shifts
Message Closed

car Vehicle Data

1994 Pontiac Grand Am SE

VIN 1G2NE55MXR
Engine3.1 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedLimp in Mode
ConditionsNo Up Shifts