Flash: Heating Ventilation And Cooling (HVAC) Module Updates Customers may experience one or more of the...
Ram technical service bulletin 08-220-26 for 2026 Ram 1500.
- Bulletin number
- 08-220-26
- Component
- Electrical system
- Summary
- Flash: Heating Ventilation And Cooling (HVAC) Module Updates Customers may experience one or more of the following: ● The HVAC randomly blows cold air while in the heat position. NOTE: Hot air will eventually return but the HVAC still intermittently blows cold air. ● When the heated seat feature is turned on with cloth seats, the heat cycles off after a period of time with out the occupant commanding it to turn off. This bulletin involves reprogramming the HVAC module with the latest software
Owners of these vehicles have filed 52 complaints in the electrical category.
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