December 7: GM Engine Class Action Lawsuit Set To Begin news | 8 days ago
December 7: GM 8-Speed Transmission Lawsuit Runs Into Trouble news | 8 days ago
November 23: GM V8 Engine Lawsuit Claims L87 Engines Are Dangerous news | 22 days ago
November 10: GM Fights Fraud Claim in Fuel Pump Class Action Lawsuit news | 35 days ago
November 2: GM Fuel Pump Recall Failed, Says Class Action Lawsuit news | 43 days ago
GMC TSB #19NA199
2020 GMC Acadia
TSB Document:
Affected Component: ELECTRICAL SYSTEM
- Summary
- This informational bulletin provides information to give the customer the option of replacing the 2020 model year antenna and base, with the 2019 model year antenna.
Click a tab for more information.




