Service bulletins for the 2021 Ram 1500
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
1129 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with component: Engine control module are shown. Show all
| S2208000073 | 2023-01-09. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). No Start, After Flash And Or PCM Replace, DTC P0513 Invalid Skim Key Setting |
|---|---|
| S1908000041 | 2022-09-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Check Engine Lamp On, DTC?s P0480 Cooling Fan Circuit Open Or U0465 Loss Communication With Active Air Dam |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.