# Service bulletin D20M1

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: 10172743
- Published by NHTSA: 2020\-03\-25
- Manufacturer's number: D20M1
- Manufacturer's date: 2020\-03\-25
- NHTSA component: ENGINE; ELECTRICAL SYSTEM:SOFTWARE

## NHTSA's summary

DDC Field Service Campaign for GHG14 DETROIT DD13 with Two\-Box Aftertreatment Software Reprogramming.Certain Detroit Model Year 2013 to 2015 GHG14 DD13 engines that are registered in California will require reprogramming to a minimum of the MCM software version and fuel map version listed below: MCM Software Version 4.7.0.0 ZGS 005

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2020/MC-10172743-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2020/MC-10172743-9999.pdf)

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

## Components

Electrical system, Engine, Software

## Vehicles listed

- DETROIT DIESEL DD13

JSON: [/v1/bulletins/10172743](/v1/bulletins/10172743)

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