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June 30, 2021 Service bulletin

Flash: Driver Door Module (DDM) and Passenger Door Module (PDM) Updates

Ram technical service bulletin 0808621REVA for 2021 Ram 1500.

Bulletin number
0808621REVA
Component
Electrical system
Summary
Flash: Driver Door Module (DDM) and Passenger Door Module (PDM) Updates This bulletin involves reprogramming the DDM and PDM with the latest available software. Customers may notice: Exterior mirrors do not return to the original position after shifting out of reverse gear. Exterior mirrors continue to tilt downwards even after shifting out of reverse gear. For vehicles on the RRT VIN List this software is to improve the function and reliability of the power windows operation.

Owners of these vehicles have filed 201 complaints in the electrical category.

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