December 28: GM Lifter Failure Lawsuit Includes Multiple Models news | 0 days ago
December 27: Chevrolet Bolt Battery Settlement Granted Final Approval news | 1 days ago
December 22: GM Air Conditioning Class Action Lawsuit: 8 Years in Court news | 6 days ago
December 7: GM Engine Class Action Lawsuit Set To Begin news | 21 days ago
December 7: GM 8-Speed Transmission Lawsuit Runs Into Trouble news | 21 days ago
Chevrolet TSB #PIT5989
2021 Chevrolet Tahoe
TSB Document:
Affected Component: ELECTRICAL SYSTEM
- Summary
- This Preliminary information communicates a issue where the Can bus 1 data line is being corrupted by a aftermarket lighting module or poor connection installed by a Police Upfitter.
Click a tab for more information.




