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Transmission stuck in limp mode

Tiny
CADAMS1906
  • MEMBER
  • 1997 CHEVROLET 1500
  • 5.7L
  • V8
  • 4WD
  • AUTOMATIC
  • 430,000 MILES
When the truck is cold it does just fine. But once I start driving and stop and shut the truck off the transmission goes into limp mode plus I lose use of my tachometer and speedometer. Have checked the grounds and tried swapping computers.
Saturday, December 15th, 2018 AT 9:27 PM

3 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,958 POSTS
Hello,

This sounds like the cluster is going bad. here is a video to show you how to replace it with a rebuilt/used unit:

https://youtu.be/_HEC44xENxw

Please let us know what happens. Cheers, Ken
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Monday, December 17th, 2018 AT 4:20 PM
Tiny
CADAMS1906
  • MEMBER
  • 2 POSTS
Tried swapping clusters didn't change anything.
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Monday, December 17th, 2018 AT 10:32 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 42,958 POSTS
Sorry, lets run the codes to see what comes up. Here is a guide.

https://www.2carpros.com/articles/checking-a-service-engine-soon-or-check-engine-light-on-or-flashing

Please let us know what happens.

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Tuesday, December 18th, 2018 AT 10:23 AM

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Related Engine Computer Limp Mode - Reduced Power Content

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