RAM Promaster 2026 — technical service bulletin
Bulletin OTHERDOC_184 · NHTSA communication 11037358 · issued Sep 8, 2026
Technical service bulletin
communication type
Electrical System
component
2026
model years
2
vehicle entries
Official summary
Radio Over The Air Update to U43.17 R1H Software Version (FOTA) - Navigation Stability - Android Auto & Carplay stability & connectivity - Distorted/glitchy display prior to start‑up animation - Text appearance display - Widget incorrect display - Turn signal blind spot response timing - Audio cut out - Drive Modes selection - Park assist Guidelines selction Customers may experience one or more of the following:
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.