RAM 1500 2025–2026 — technical service bulletin
Bulletin 9100648 · NHTSA communication 11022020 · issued Aug 12, 2025
Technical service bulletin
communication type
Electrical System
component
2025–2026
model years
2
vehicle entries
Official summary
False fails on PCR, DBSM and PDCs Stuck Closed or open diagnostics, DTC P2AF5 or P2AF6, leading to NTF and unnecessary replacements. Current controls are not robust against depleted auxiliary battery condition. Please follow SOL S2508000031.
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.