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Service bulletin A19110B

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10168043
Published by NHTSA2019-11-20
Manufacturer's numberA19110B
Manufacturer's date2019-11-13
NHTSA componentENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS

NHTSA's summary

ServiceNews Article - The 2020 CR-V comes with two backup fuses: No. 18 BACK UP (10A) and No. 27 BACK UP 2 (30A). If you pull the No. 27 fuse (or it's blown), and turn the ignition to ON while leaving the No. 18 fuse intact, it will set DTC B123F (automatic lighting control unit/sunlight sensor error).

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system, Engine, Wiring and fuses

Trouble codes named

B123F

Vehicles listed
HONDA CR-V2020

Listing a model year does not mean every vehicle of it is concerned: the document says which.