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B1636 on the 2020 Chrysler 300

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.

Bulletins for this model year that name B1636
S19080002122020-05-26. Service bulletin. High Beams Are Inop, Shutter Door On High Beams Open And Then Close In Cold Ambient Temperatures. DTC B1632-11 And B1636-11 Set
S19080002122020-05-18. Service bulletin. High Beams Are Inop, Shutter Door On High Beams Open And Then Close In Cold Ambient Temperatures. DTC B1632-11 And B1636-11 Set
S19080002122020-04-27. Service bulletin. High Beams Are Inop, Shutter Door On High Beams Open And Then Close In Cold Ambient Temperatures. DTC B1632-11 And B1636-11 Set

3 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.