# Service bulletin D23R2

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: 10237088
- Published by NHTSA: 2023\-06\-03
- Manufacturer's number: D23R2
- Manufacturer's date: 2023\-05\-05
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

Detroit Emission Recall D23R2 for California ONLY DETROIT DD13 MCM Software Reprogramming. California only, DETROIT Model Year 2022 DD13 engines will require reprogramming to a minimum of the MCM software version and fuel map version listed for engines built from November 2021 through July 2022 and will require the latest MCM fuel maps to correct OBD calibrations.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10237088-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10237088-9999.pdf)

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

## Components

Engine

## Vehicles listed

- DETROIT DIESEL DETROIT DIESEL

JSON: [/v1/bulletins/10237088](/v1/bulletins/10237088)

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