December 28: GM Lifter Failure Lawsuit Includes Multiple Models news | 0 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
November 23: GM V8 Engine Lawsuit Claims L87 Engines Are Dangerous news | 35 days ago
GMC TSB #150844001J
2011 GMC Terrain
TSB Document:
Affected Component: ELECTRICAL SYSTEM:SOFTWARE
- Summary
- This informational bulletin provides information for the GM of Canada OnStar Cellular Communication Upgrade to 3G/4G LTE for vehicles that may need an upgrade.
Click a tab for more information.




