Owners of 2007 Dodge Charger SRT8, Magnum SRT8 and Chrysler 300 SRT8 models with Hemi engines and all-wheel-drive (AWD) systems may come into your store with strange electrical problems.
Among the complaints you might hear is that the radio stops working and/or the AWD system will not engage. In addition, if you connect your scan tool you might find trouble code B210D (low battery voltage) or B210E (high battery voltage) logged in computer memory.
Software issues in the PCM are the cause of all these problems. Reprogramming the module with updated software is the only remedy. Check with a dealer for the specifics of the flash.
"Factory Fixes" is written by Jim DePalma, a 30-year veteran of the auto repair business who has served stints as a service manager, parts manager and ASE-certified technician. His column provides vehicle manufacturers' authentic factory technical service bulletins (TSBs) that have been condensed for easier reading. Mr. DePalma advises that techs always check with a dealer or repair information system for the latest revisions before starting to work on a vehicle. He can be reached via e-mail at [email protected].