Chevrolet TSB #PI0345F
2012 Chevrolet Avalanche
Affected Component: ELECTRICAL SYSTEM:SOFTWARE
- Summary
- This preliminary informational bulletin provides inspection and repair information to correct a customer concern of XM/Cellular Mobile Phone/OnStar Antenna looseness or damage, XM/Cellular/OnStar reception performance degraded, rattle/flutter/squeak noise, wind noise/whistle at highway speeds, water leak on headliner at sunvisor.