# Service bulletin MCMTB\-55143

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: 10247627
- Published by NHTSA: 2023\-12\-23
- Manufacturer's number: MCMTB\-55143
- Manufacturer's date: 2023\-12\-19
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Service Bulletin \- American Honda is launching a PRODUCT UPDATE on CERTAIN 2022 model year CRF1100L/LD/L4/L4D Africa Twin motorcycles to update the Engine Control Unit \(ECU\) software. A defect with ECU processing affects the wheelie control settings.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10247627-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10247627-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2022 HONDA CRF1100

JSON: [/v1/bulletins/10247627](/v1/bulletins/10247627)

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