Jeep Wrangler 2025 — technical service bulletin
Bulletin 08-111-26 · NHTSA communication 11030121 · issued Mar 11, 2026
Technical service bulletin
communication type
Electrical System
component
2025
model years
2
vehicle entries
Official summary
Flash: Electronic Climate Control (ECC) Updates Customers may experience the following: SYMPTOM: ● In cold ambient conditions when the remote start and HVAC Auto Mode is active, the vehicle blows cold air to the cabin instead of hot air to warm up the cabin interior. This bulletin involves reprogramming the ECC 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.