Chrysler 300 2011–2019 — technical service bulletin
Bulletin 0805421 · NHTSA communication 10221187 · issued Apr 2, 2021
Technical service bulletin
communication type
Exterior Lighting
component
2011–2019
model years
9
vehicle entries
Official summary
High Beam Headlamps Flicker This bulletin involves installing jumper wires from the Power Distribution Center(PDC) to the headlamp connectors. The technician may find one or more of the following Diagnostic Trouble Codes (DTCs).B1632-15 - Left High Beam Control-Circuit Short To Battery Or Open. B1636-11 - Right High Beam Control-Circuit Short To Ground. In addition the customer may describe the following:High beam headlamps flicker in cold weather. High beams lamps not working properly in cold weather.
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.