RAM

21-016-14

2014-04-30 · NHTSA 10139656, 10217982, 10218823

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 Shift Enhancements This bulletin involves flash reprogramming of the Transmission Control Module (TCM) with new software. The customer may indicate that they may have experienced any of the following: ? 4x4 Low Mode shift quality during a medium to heavy throttle ? MIL Illumination for DTC P215C - OUTPUT SHAFT SPEED WHEEL SPEED CORRELATION In addition, calibration changes have been made in the following areas to improve: ? Powertrain braking while in Tow/Haul mode ? Downshift response from a medium to heavy pedal ? Drivability at high altitude ? Acceleration performance during cruise control operation This calibration release also corrects a condition where DTC U11C3 may have been displayed when DTC U11E3 should have been displayed resulting in a possible misdiagnosis.

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.