Dodge Durango 2021 — technical service bulletin
Bulletin 18-045-24 · NHTSA communication 11001136 · issued May 4, 2024
Technical service bulletin
communication type
Power Train
component
2021
model years
1
vehicle entries
Official summary
"Flash: Powertrain Control Module (PCM) Updates Customers may experience the following: ● Lower fuel economy displayed in the Instrument Panel Cluster (IPC) than the actual fuel economy. ● Vehicle vibration and/or shaking felt while at idle. This bulletin involves reprogramming the PCM with the latest available software."
Vehicles covered
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.