Service bulletins for the 2020 Honda CR-V
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.
229 on file from NHTSA, as of 2026-10-19.
About B123F on the 2020 Honda CR-V: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
Only bulletins with trouble code: B123F are shown. Show all
| A19110B | 2019-11-20. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. 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). |
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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.