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1996 4L80e: Have 2nd and reverse only no codes

Hi, I have a new to me 96 GMC K2500 Suburban with the 454 and 4L80e 195k on the clock. Carfax shows a decent amount of service, including trans fluid service ~30k miles ago. Currently, the 4L80e is in limp mode with only 2nd gear and reverse. I have NO DTC codes stored, active or pending...
- RedVenom48
- Thread
- Sep 17, 2023
- Replies: 18
- Forum: Transmissions
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New K2500 Suburban owner here!

Recent lurker and new owner of a 1996 GMC K2500 454 Suburban. Thought Id stop by and say hi. I was originally trying to find a GMT800 8.1 K2500 but those were unicorns and if one popped up it was gone before I could make contact with the owner. Had a family event occur that reduced the available...
- RedVenom48
- Thread
- Sep 17, 2023
- Replies: 7
- Forum: Introduction