Jeep Grand Cherokee 2021 — technical service bulletin
Bulletin 0803621 · NHTSA communication 10220957 · issued Mar 16, 2021
Technical service bulletin
communication type
Electrical System
component
2021
model years
1
vehicle entries
Official summary
Body Control Module (BCM) Reconfigure Update This bulletin involves reconfiguring the BCM and if needed a radio reset, to remove the ?Auto Dim High Beams? from the setting page of the radio. Customers may comment on the following:Headlamp auto dim feature does not work, even after turning on this feature in the radio settings. Vehicles on the RRT VIN list are not equipped with the auto dim feature. In the radio settings, Auto Dim High Beams is a selectable setting and will make it seam like the vehicle is equipped with this feature. After the vehicle has been reconfigured this selectable setti
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.