Friday, August 7, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

Dodge Durango 2014technical service bulletin

Bulletin 21-003-15 · NHTSA communication 10148603 · issued Jan 24, 2015

Technical service bulletin
communication type
Electrical System
component
2014
model years
2
vehicle entries

Official summary

Flash: 8HP70 Transmission Shift Enhancements This bulletin involves reprogramming the Transmission Control Module (TCM) with the latest available software. A small number of customers may indicate that the transmission shift quality may not meet their expectations under the following conditions. These concerns are separated by vehicle. WK Vehicles ? ECO mode will not retain settings. If ECO mode is turned off, it will turn back on after the ignition is cycled. ? Less than desired upshift quality in normal drive mode under light/medium acceleration. ? Less than desired Power-on downshift qualit

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.