# Service bulletin SP13\-34A

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: 10131524
- Published by NHTSA: 2018\-04\-02
- Manufacturer's number: SP13\-34A
- Manufacturer's date: 2013\-05\-01
- NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

## NHTSA's summary

On the vehicles affected by this bulletin, a relay needs to be added to allow the DEF to return to the tank after turning the key to the OFF position. In addition, the ACM \& MCM need to be reprogrammed to the latest version.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2013/MC-10131524-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2013/MC-10131524-0001.pdf)

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

## Components

Engine, Exhaust and emissions

## Vehicles listed

- 2013 PREVOST H3\-45
- 2013 PREVOST H3\-VIP
- 2013 to 2014 PREVOST X3

JSON: [/v1/bulletins/10131524](/v1/bulletins/10131524)

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