# Service bulletin SB18\-L\-002C

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: 11001117
- Published by NHTSA: 2024\-06\-06
- Manufacturer's number: SB18\-L\-002C
- Manufacturer's date: 2024\-05\-16
- NHTSA component: ENGINE
- Manufacturer's system: MISCELLANEOUS

## NHTSA's summary

Some customers may experience an illuminated Malfunction Indicator Light \(MIL\) with DTC P20EE Diesel Exhaust Fluid \(DEF\) System NOx Trap Low Efficiency set without an apparent cause. New calibrations for the DEF Control Unit \(DCU\) have been developed to address this concern.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11001117-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11001117-9999.pdf)

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

## Components

Engine

## Trouble codes named

P20EE

## Vehicles listed

- 2016 to 2019 ISUZU N\-SERIES

JSON: [/v1/bulletins/11001117](/v1/bulletins/11001117)

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