# Service bulletin SB18J002

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: 10154196
- Published by NHTSA: 2019\-03\-11
- Manufacturer's number: SB18J002
- Manufacturer's date: 2018\-12\-13
- NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE \(EGR VALVE\)

## NHTSA's summary

SOME CUSTOMERS MAY EXPERIENCE AN ILLUMINATED MALFUNCTION INDICATOR LIGHT \(MIL\) WITH DTC P0402 EXHAUST GAS RECIRCULATION \(EGR\) FLOW EXCESSIVE SET WITHOUT AN APPARENT CAUSE. NEW CALIBRATIONS FOR THE ENGINE CONTROL MODULE \(ECM\) HAVE BEEN DEVELOPED TO ADDRESS THIS CONCERN. FOLLOW THE DIAGNOSTIC FOR THIS DTC IF NO FAULT CAN BE FOUND WHEN PERFORMING THE NORMAL DIAGNOSIS, FOLLOW THE SERVICE PROCEDURE IN THIS BULLETIN TO CORRECT THE CONCERN.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10154196-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10154196-9999.pdf)

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

## Components

Engine, Exhaust and emissions, EGR valve

## Trouble codes named

P0402

## Vehicles listed

- ISUZU F SERIES

JSON: [/v1/bulletins/10154196](/v1/bulletins/10154196)

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