RAM 1500 2021–2023 — technical service bulletin
Bulletin S2308000022 · NHTSA communication 10247966 · issued Feb 28, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2021–2023
model years
3
vehicle entries
Official summary
No Start, No Crank, Diagnostic Trouble Codes (DTC) P2504 Charging System Output High
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.