Supersedes Technical Service Bulletin Group 91 number 14-50 dated July 10, 2014

Bulletin number

A911598 2018187-

Component

Electrical system

Summary

Supersedes Technical Service Bulletin Group 91 number 14-50 dated July 10, 2014. Customer may report that cracking, grinding, rattling, humming, whining, or similar interference is coming from one or more speakers. Parts of the speakers (such as the brackets, cables, or covers) or parts of the interior fittings (such as door covers, rear shelf, facings, or covers) can vibrate at certain frequencies, causing noises. The radio tuner or other control modules may be affected by electromagnetic interference from aftermarket electronic devices.

Owners of these vehicles have filed 604 complaints in the electrical category.