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BeckyD @ James Martin Chevy


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Old 02-12-2026, 07:03 PM   #1
BoatNigge
 
Drives: 17 Camaro LT RS
Join Date: Jun 2021
Location: NJ
Posts: 11
Unhappy Service Theft Deterrent System - 2017 Camaro LT 3.6L M6



Please help, my Camaro Cluster will not function as normal. I’ve switched to my spare key fob, disconnected the battery for a day, charged the battery for a day (thebattery is 4 months old), and I’m at a loss of options other than buying a new cluster and hoping that fixes the issue. The problem comes and goes; now it's been stuck like this for 5 days, but on day 2 it went back to normal for a day or so. Very strange, not sure what to do or try. The car starts and drives normally, but I’ve been going back and forth to work all week, and I can't tell how much gas I have, which is very annoying. Please help.


Code from ODBII

B3980 - No Environment Identifier Received From Instrument Cluster
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Old 02-13-2026, 05:20 AM   #2
Ray3768
 
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Drives: 1977 Trans Am, 2024 Camaro 2SS
Join Date: Apr 2023
Location: NJ
Posts: 170
Don't throw parts at it yet. Here's some info I found for that code:

https://www.autocodes.com/b3980_chevrolet.html

Pull the cluster out and inspect the wire harness. Perhaps simply unplugging and reconnecting the cluster will correct a weak connection.

-Ray
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Old 02-13-2026, 11:15 AM   #3
BoatNigge
 
Drives: 17 Camaro LT RS
Join Date: Jun 2021
Location: NJ
Posts: 11
Praying I fixed it. I learned the BCM is under my steering wheel and I got under there and pushed all the connectors in tight. It came back and is working for now.

Praying that’s all it was.
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