# Service bulletin KC\-107

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: 10188102
- Published by NHTSA: 2021\-03\-03
- Manufacturer's number: KC\-107
- Manufacturer's date: 2021\-02\-05
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

Selective Catalytic Reduction \( SCR \) Efficiency And NOx Sensor Diagnostic Trouble Codes \( DTC \) P225C, P225E, P221A and P2201: NOx Sensor Diagnostic Information TO BE USED BEFORE SENSOR REPLACEMENT \- OBD13 And Newer Emissions \(Commonly Model Year 20

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10188102-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10188102-9999.pdf)

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

## Components

Engine

## Trouble codes named

P2201, P221A, P225C, P225E

## Vehicles listed

- VOLVO VOLVO TRUCK

JSON: [/v1/bulletins/10188102](/v1/bulletins/10188102)

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