RAM
08-195-26
Manufacturer communications
- Publication date
- 2026-05-01
- Received by NHTSA
- 2026-05-06
- NHTSA record numbers
- 11032320
Manufacturer summary
Original wording in English
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.
• 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.
Reported code forms
Check vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Ram | 1500 | 2025 |