RAM 1500 2026 — technical service bulletin
Bulletin 08-282-26 · NHTSA communication 11035182 · issued Jul 17, 2026
Technical service bulletin
communication type
Electrical System
component
2026
model years
1
vehicle entries
Official summary
Battery Pack Control Module (BPCM) Software Update Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) has been set: ● P1A29-00 - Cell Supervisory Circuit A Failure. ● U3017-00 - Control Module Timer/Clock Performance. Customers may also comment on one or more of the following: ● Vehicle in limp-home mode. ● Start/Stop feature will be disabled. This bulletin involves reprogramming the BPCM with the latest available software.
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.