# Service bulletin TSB230127

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: 10238661
- Published by NHTSA: 2023\-07\-05
- Manufacturer's number: TSB230127
- Manufacturer's date: 2023\-06\-21
- NHTSA component: ELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER:SENSOR/SENDING UNIT

## NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of issue of Fault Code 241 for vehicle speed sensor leading to customer complaint that vehicle speedometer maxes out or reads inaccurately.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10238661-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10238661-9999.pdf)

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

## Components

Electrical system, Instrument cluster

## Vehicles listed

- CUMMINS L9

JSON: [/v1/bulletins/10238661](/v1/bulletins/10238661)

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