# Service bulletin KC\-104

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: 10203170
- Published by NHTSA: 2021\-11\-05
- Manufacturer's number: KC\-104
- Manufacturer's date: 2021\-10\-19
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

Selective Catalytic Reduction \( SCR \) Efficiency And Diesel Exhaust Fluid \( DEF \) Dosing Valve Diagnostic Trouble Codes \( DTC \) P208E, P103B; Dosing Valve Diagnostic Information TO BE USED BEFORE DEF DOSING VALVE REPLACEMENT \- OBD13 And Newer Emissio

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10203170-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10203170-9999.pdf)

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

## Components

Engine

## Trouble codes named

P103B, P208E

## Vehicles listed

- VOLVO VOLVO TRUCK

JSON: [/v1/bulletins/10203170](/v1/bulletins/10203170)

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