Dodge Durango 2021–2023 — service campaign
Bulletin 58B Combo REV1 · NHTSA communication 11015793 · issued Mar 18, 2025
Service campaign
communication type
Engine
component
2021–2023
model years
3
vehicle entries
Official summary
Customer Satisfaction Notification 58B Coolant Restrictor
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.