RAM 1500 2022–2023 — technical service bulletin
Bulletin 0700923 · NHTSA communication 10243239 · issued Aug 5, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2022–2023
model years
2
vehicle entries
Official summary
Broken Internal Coolant Valve Gear Engine Coolant Bypass Valve Control Circuit Open. This bulletin involves replacing the 3-way coolant valve.
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.