# Service bulletin Dealer Letter \-

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: 10197422
- Published by NHTSA: 2021\-06\-14
- Manufacturer's number: Dealer Letter \-
- Manufacturer's date: 2014\-07\-29
- NHTSA component: FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:ENGINE:DIESEL; EQUIPMENT

## NHTSA's summary

Field Update Notice \#74B251 Detroit Diesel Field Action 14W1 \- Pierce has been notified by Detroit Siesel Corporation \(DDC\) that they determined that some certified GHG14 DD platform engines will require software and fuel maps to be reprogrammed on affectd engines in order to prevent fault codes and performance issues that may result in customer dissatisfaction.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2014/MC-10197422-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2014/MC-10197422-9999.pdf)

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

## Components

Engine, Equipment and accessories, Fuel system

## Vehicles listed

- PIERCE PIERCE

JSON: [/v1/bulletins/10197422](/v1/bulletins/10197422)

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