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sprinkles08, ASE Certified Technician
Category: Cadillac
Satisfied Customers: 22685
Experience:  ASE Master and Advanced level certified. Factory trained with 15 years dealership experience
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03 escalade UT Base, when i reach 20-25mps it will not

Customer Question

03 escalade UT Base, when i reach 20-25mps it will not acelerate i can hear myself pressing the gas but not going nowhere unless i hit to the floor. but then it sounds like its in high gear.
Submitted: 1 year ago.
Category: Cadillac
Expert:  sprinkles08 replied 1 year ago.

Hello and welcome to JustAnswer!

It sounds as if your transmission is going into limp in. When the powertrain control module sees an issue that will prevent proper operation it will lock you in a single gear, which will cause RPM's to remain higher than normal if you attempt to drive at normal speeds.

There are many possible causes for limp in including internal trans issues, wiring, solenoids and speed sensors.

The first step will be to see if any fault codes are setting. If the trans is going into limp in then there will be codes stored for whatever failure was seen, testing will need to be done based on what codes are found.