# 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.

- Type: Service bulletin
- NHTSA id: 10168043
- Published by NHTSA: 2019\-11\-20
- Manufacturer's number: A19110B
- Manufacturer's date: 2019\-11\-13
- NHTSA component: ENGINE 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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10168043-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10168043-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Electrical system, Engine, Wiring and fuses

## Trouble codes named

B123F

## Vehicles listed

- 2020 HONDA CR\-V

JSON: [/v1/bulletins/10168043](/v1/bulletins/10168043)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20A19110B&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10168043&vehicle=Service%20bulletin%20A19110B)