RAM
2101719
2019-11-28 · NHTSA 10220113
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Manufacturer summary
Original wording in English
Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the followingDTC has been set:U1111-00 - Lost Odometer Message(DD, DF, and DP with Diesel Engine Only). In addition, the customer may notice one or more of the following conditions: The customer may notice a harsh 2-3 and/or 3-4 shift(2017 MY D2 with ETK 6.7L Diesel and DF2 Transmission Only). 1-2 hard shift. 3-4 flare issue fix. Trans quick learn fix(Gas Engine Only). Transmission oil temperature light illumination during high engine and tow loads. Less than desired towing performance while using cruise control. Harsh engagement while shifting from neutral to drive, neutral to reverse,or park to reverse with vehicle still in motion (rolling garage shift). Engine flare during 2-1 tip in downshift. Less than desired shift quality during 6-5 and 5-4 coasting downshifts. Delayed downshifts in Tow/Haul mode while driving down grades. Less than desired transmission shift performance when transitioning froma low traction to high traction surfaces i.e. ice covered road to clear pavement. Less than desired shift points during light pedal and Wide Open Throttle(WOT) operation or while in Tow/Haul and engine brake modes. 1-2 upshift shudder correction(Diesel engine and DF2 Transmission Only). A harsh 1-2 upshift(DF2 Transmission Only). Excessive gear shifting(DF2 Transmission Only). Harsh 2-1 downshift(DF2 Transmission Only). Delayed engagement when shifting from neutral to drive, neutral to reverse,or park to reverse (garage shifts)(DF2 Transmission Only). Audible squawk noise on 4-3 downshift(DF2 Transmission Only). Poor vehicle acceleration in first gear with vehicle fully loaded(DF2 Transmission Only). MIL illumination with no defect found forDTC P253D - PTO Sense Circuit High(DF2 Transmission Only).
NHTSA manufacturer communications ↗Repeated filings are grouped only when make, bulletin number, publication date and complete summary agree. Original record numbers are retained. Older publications remain available, and an explicit later version is shown when established. Pre-1994 vehicle associations are separated from default results; an unspecified year does not mean all model years apply.