Door Control Module (DCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL)...
Ram technical service bulletin 08-187-26 for 2026 Ram 1500.
- Bulletin number
- 08-187-26
- Component
- Structure: body
- Summary
- Door Control Module (DCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set the following Diagnostic Trouble Code (DTC): ● B2577-00 - Window Not Calibrated / Lost Calibration. Customers may experience one or more of the following: ● Power windows are inoperative and will not respond to switch inputs.. ● Driver and passenger window auto up/down functions inoperative. This bulletin involves inspecting and possibly reprogramming the DDM and PDM with the latest available software.
Owners of these vehicles have filed 3 complaints in the body category.
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