Some 2003 Lincoln Town Cars may turn on the battery warning light and store trouble code P1246 in the car's computer memory. According to Ford Motor Co., the condition usually occurs when the vehicle is started and placed in drive before allowing the engine to return to idle.
Software issues in the PCM are the likely cause.
Reprogramming the module with updated software is the only surefire fix. Check with a dealer on 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 email at [email protected].