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March 24, 2021 Service bulletin

Door Control Module Window Inoperative This bulletin involves replacing one or both of the door modules

Ram technical service bulletin 08-047-21 for 2020-2021 Ram 1500.

Bulletin number
08-047-21
Component
Electrical system
Summary
Door Control Module Window Inoperative This bulletin involves replacing one or both of the door modules. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or moreof the following Diagnostic Trouble Codes (DTCs) have been set: B18BA-12 - Window Control - Circuit Short to Battery B18BA-13 - Window Control - Circuit Open In addition the customer may notice one or more of the following:Driver and/or passenger windows stop working. If window switch is held in the up position for two seconds the obstructionautodown function, may not work. Windows may go up slower than expected.

Owners of these vehicles have filed 365 complaints in the electrical category.

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