# Service bulletin V011420 2037740

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: 10120301
- Published by NHTSA: 2017\-10\-21
- Manufacturer's number: V011420 2037740
- Manufacturer's date: 2014\-09\-10
- NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR

## NHTSA's summary

Technical Bulletin \(Update Programming for Catalyst System Bank Efficiency Below Threshold\): This document informs of diagnostic fault codes which state that the Catalyst System Bank Efficiency is Below Threshold this is because the Diagnostic strategy was too sensitive. The production solution for this issue was to stop making the Engine Control Module, and thus it is out of production. This document discusses the "Fault Codes" necessary to diagnosis, and potential remedy of the issue. The fault codes for checking warranty coverage for servicing the vehicle are also available.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2014/MC-10120301-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2014/MC-10120301-0001.pdf)

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

## Components

Engine, Exhaust and emissions, Catalytic converter

## Vehicles listed

- 2007 to 2009 VOLKSWAGEN TOUAREG

## Other bulletins for the same vehicles and component

- [VWC\-17\-11\-201901](/bulletins/10154385.md), 2019-03-11, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR; EQUIPMENT. This Document informs dealers on the Revised VWC\-17\-11 \- REVISED \- Pre\-existing MIL\-On Condition in Regards to the TDI AEM Recalls for Customer Vehicles \(Revised 12/17/18\). Gen 1, Gen 2 and Gen 3 2.0L TDI no longer apply.
- [SM 12\-2017 VWMEX](/bulletins/10144707.md), 2018-09-17, Service bulletin: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. This special notice is to inform dealers to return all part numbers listed in the document. Only superseded part numbers to be ordered going forward.

JSON: [/v1/bulletins/10120301](/v1/bulletins/10120301)

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