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2002 Cadillac DeVille 4.6L Hard Shift
Posted to GM Transmission on 6/5/2015 8 Replies

has anyone ever seen gear ratio error codes on 1,2,3 & 4? works OK but shifts hard - high line pressure (from codes) 1,2, & 3 come right back, 4th after a few miles. speed sensors seem accurate. no other codes?? never seen this before!!!!

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car Vehicle Data

2002 Cadillac DeVille

VIN 1G6KD54Y32
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedHard Shift
ConditionsHard Shift
Message Closed

car Vehicle Data

2002 Cadillac DeVille

VIN 1G6KD54Y32
Engine4.6 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedHard Shift
ConditionsHard Shift