# Service bulletin TSB170085\-071420

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: 10117912
- Published by NHTSA: 2017\-09\-22
- Manufacturer's number: TSB170085\-071420
- Manufacturer's date: 2017\-08\-10
- NHTSA component: FUEL SYSTEM, DIESEL

## NHTSA's summary

This Technical Service Bulletin describes the verification and resolution of fault code 5867 \(Aftertreatment Diesel Exhaust Fluid Dosing Unit Relay Feedback\- Voltage Below Normal or Shorted to Low Source\) often leading to unnecessary replacement of Original Equipment Manufacturer \(OEM\) diesel exhaust fluid \(DEF\) pump relay or other components.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2017/MC-10117912-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2017/MC-10117912-0001.pdf)

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

## Components

Fuel system

## Vehicles listed

- CUMMINS ISB6.7
- CUMMINS ISL9
- CUMMINS X15

JSON: [/v1/bulletins/10117912](/v1/bulletins/10117912)

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