DODGE: ENGINE CONTROL MODULE (ECM) SOFTWARE PROGRAM ON ABOUT 159,700 TRUCKS MAY CAUSE ILLUMINATION OF THE MALFUNCTION INDICATOR LAMP (MIL) WHEN NO PROBLEM EXISTS OR UNDER CERTAIN CONDITIONS ALLOW HEAVY SOOTING OF THE TURBOCHARGER, EXHAUST GAS RECIRCULATION VALVE AND DIESEL PARTICULATE FILTER. HEAVY SOOTING COULD DAMAGE EMISSIONS COMPONENTS AND RESULT IN INCREASED EMISSIONS. THE ENGINE CONTROL MODULE MUST BE REPROGRAMMED (FLASHED). CSC LETTER WAS REC'D. *PE
