RAM
08-171-26
Manufacturer communications
- Publication date
- 2026-04-21
- Received by NHTSA
- 2026-04-29
- NHTSA record numbers
- 11031666
Manufacturer summary
Original wording in English
Loss Of Cabin Heating 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):
• U0615 - Lost Communication With Engine Coolant Bypass Valve "A".
• U11E9 - Lost Communication With AGS. Customer may also comment on the following:
• Loss of cabin heating This bulletin involves applying grease to the 3 way valves wire harness connector or, if necessary, the replacement of both the wire harness and the 3 way valve
• U0615 - Lost Communication With Engine Coolant Bypass Valve "A".
• U11E9 - Lost Communication With AGS. Customer may also comment on the following:
• Loss of cabin heating This bulletin involves applying grease to the 3 way valves wire harness connector or, if necessary, the replacement of both the wire harness and the 3 way valve
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Ram
U0615Lost Communication With Engine Coolant Bypass Valve "A"Ram
U11E9Lost Communication With AGSCheck vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.