RAM · 2026-04-21
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