RAM 3500 2026 — technical service bulletin
Bulletin 9100664 · NHTSA communication 11022563 · issued Aug 29, 2025
Technical service bulletin
communication type
Electrical System
component
2026
model years
1
vehicle entries
Official summary
For vehicles built with the wrong IPC (MPH or KPH) Dealer(s) need to wait to order any cluster in (kph or mph) until the dealer instructions for 79C are released.
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.