Search results
-
K
2021 Tahoe CEL (P00ff and U1962)
Thank you for the help! I checked the battery voltage cold and it was only 12.2v. Started the truck and the voltage started building while running. The truck sat for a long weekend in the cold, my guess is that did enough to drain the battery and throw the code. It has also been driven less in...- kjohns339
- Post #9
- Forum: Engine & Drivetrain
-
K
2021 Tahoe CEL (P00ff and U1962)
Aftermarket brake controller. It has been installed for 2 years without issue. I had read somewhere that the battery needed to be programmed? I've never heard of that before.- kjohns339
- Post #7
- Forum: Engine & Drivetrain
-
K
2021 Tahoe CEL (P00ff and U1962)
Thanks for the quick reply! I just replaced it maybe 2-3 months ago.- kjohns339
- Post #4
- Forum: Engine & Drivetrain
-
K
2021 Tahoe CEL (P00ff and U1962)
Hi all, new to the forum. I have a 2021 Tahoe LT 5.3 and my CEL came on recently. Pulled the codes and I’m getting P00FF and U1962. Truck runs and drives fine. I’ve read these may be related to OnStar/telematics rather than a drivability issue. I also noticed intermittent in vehicle Wi-Fi...- kjohns339
- Thread
- Replies: 10
- Forum: Engine & Drivetrain
