Loss Of Cabin Heating Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the...
Ram technical service bulletin 08-171-26 for 2025-2026 Ram 2500, 2025-2026 Ram 3500 and 2025-2026 Ram 5500 and others.
- Bulletin number
- 08-171-26
- Component
- Unknown or other
- Summary
- 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
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