RAM 1500 2022–2023 — technical service bulletin
Bulletin 07-005-24 · NHTSA communication 11001237 · issued May 15, 2024
Technical service bulletin
communication type
Engine
component
2022–2023
model years
2
vehicle entries
Official summary
"Broken Internal Coolant Valve Gear **Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):** ● P26A3 - Engine Coolant Bypass Valve A Range-Performance. ● P26A6 - Engine Coolant Bypass Valve Position Sensor Circuit Low. ● P2681 - 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.