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October 21, 2026 Service bulletin

HVAC (heating, ventilation, and air conditioning) and radio system turning off or radio may have no audio...

Ford technical service bulletin TSB 26-2439 for 2025-2026 Ford F-250 SD, 2025-2026 Ford F-350 SD and 2025-2026 Ford F-450 SD and others.

Bulletin number
TSB 26-2439
Component
Unknown or other
Summary
Some of the vehicles listed in the Model statement above may exhibit the HVAC (heating, ventilation, and air conditioning) and radio system turning off or radio may have no audio during snowplow operation. This may be due to the software in the powertrain control module (PCM).

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