# Service bulletin K52535491

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: 10160192
- Published by NHTSA: 2019\-05\-20
- Manufacturer's number: K52535491
- Manufacturer's date: 2019\-04\-17
- NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE \(EGR VALVE\)

## NHTSA's summary

Diagnostic / Troubleshooting Procedures For EGR System Components; Diagnostic Trouble Codes \(DTC\) P0401\-00, P0402\-00, P04DD\-00, P1121\-00, P1121\-98 Or SPN 2659 FMI 16, SPN 2659 FMI 18, SPN 412 FMI 0, SPN 412 FMI 15 \- US10, US10\+OBD13, US14\+OBD\*, US17\+OBD\* With A Variable Geometry Turbocharger \(VGT\)

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2019/MC-10160192-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2019/MC-10160192-9999.pdf)

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

## Components

Engine, Exhaust and emissions, EGR valve

## Trouble codes named

P0401, P0402, P04DD, P1121

## Vehicles listed

- VOLVO VAH
- VOLVO VHD
- VOLVO VNL
- VOLVO VNM
- VOLVO VNR
- 2013 to 2020 VOLVO VNX
- VOLVO VT

JSON: [/v1/bulletins/10160192](/v1/bulletins/10160192)

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