This bulletin from GM applies to all cars and trucks from 2014 and earlier.
Some customers may comment on poor or no transmitter range when using the remote keyless entry (RKE) and/or remote vehicle start (RVS). In some cases, the range has been limited to a few feet. Some aftermarket devices can cause frequency interference which may affect the operating range of the RKE and/or RVS functions.
Inspect for any aftermarket devices installed or stored in the vehicle, such as cell phone or USB chargers plugged into an accessory port, wireless gate remotes, wireless winch remotes, etc.
Information for Technical Service Bulletins comes from ProDemand, Mitchell 1's auto repair information software for domestic and import vehicles. Headquartered in San Diego, Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918.
Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety ofspecialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.
