RAM 1500 2025–2026 — technical service bulletin
Bulletin S2508000083 · NHTSA communication 11024313 · issued Oct 7, 2025
Technical service bulletin
communication type
Electrical System
component
2025–2026
model years
2
vehicle entries
Official summary
Keyless Ignition Node (KIN) Sets Diagnostic Trouble Codes (DTCs) B1A7D-2A, U103C-00, or B1A7D-01
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.