# Service bulletin TT 23\-15\-01

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: 10122982
- Published by NHTSA: 2017\-11\-08
- Manufacturer's number: TT 23\-15\-01
- Manufacturer's date: 2015\-06\-12
- NHTSA component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; FUEL SYSTEM, GASOLINE

## NHTSA's summary

Tech Tips \(Exhaust Gas Recirculation System Performance issues\): After replacing the mass air flow sensor basic setting must be reset. This document informs of the procedure necessary to perform the reset

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2015/MC-10122982-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2015/MC-10122982-0001.pdf)

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

## Components

Engine, Exhaust and emissions, Fuel system

## Vehicles listed

- 2012 to 2014 VOLKSWAGEN BEETLE
- 2012 to 2014 VOLKSWAGEN GOLF
- 2015 VOLKSWAGEN GOLF SPORTWAGEN
- 2012 to 2014 VOLKSWAGEN JETTA
- 2012 to 2014 VOLKSWAGEN PASSAT

## Recalls for the same vehicles and component

- [24V110000](/recalls/nhtsa/24V110000.md), 2024-02-14: FUEL SYSTEM, GASOLINE
- [17V309000](/recalls/nhtsa/17V309000.md), 2017-05-11: POWER TRAIN:DRIVELINE:DRIVESHAFT; ENGINE AND ENGINE COOLING:ENGINE:DIESEL
- [15V028000](/recalls/nhtsa/15V028000.md), 2015-01-23: FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAIL
- [2014575](/recalls/tc/2014575.md), 2014-12-17: Fuel System
- [12V146000](/recalls/nhtsa/12V146000.md), 2012-04-05: FUEL SYSTEM, DIESEL
- [2012121](/recalls/tc/2012121.md), 2012-04-04: Fuel System
- [2011355](/recalls/tc/2011355.md), 2011-10-03: Fuel System
- [11V490000](/recalls/nhtsa/11V490000.md), 2011-10-03: FUEL SYSTEM, DIESEL

## Other bulletins for the same vehicles and component

- [V0116152014815\_20](/bulletins/11038146.md), 2026-10-06, Service bulletin: ENGINE. Suggested fuel additive
- [V1718062017813\_24](/bulletins/11035762.md), 2026-08-05, Service bulletin: ENGINE. Oil Consumption Measurement and Electronic Oil Consumption Measurement
- [V1719012012855\_81](/bulletins/11034617.md), 2026-07-07, Service bulletin: ENGINE. Volkswagen Engine Oil Standards
- [TT 13\-20\-01\_3](/bulletins/11034614.md), 2026-07-07, Service bulletin: ENGINE. Instruction, how to lubicate engine before initial start.
- [TT 10\-18\-02\_2](/bulletins/11034613.md), 2026-07-07, Service bulletin: ENGINE. Lubricating engine components before reassembly.
- [VOS\-26\-21](/bulletins/11030847.md), 2026-04-06, Service bulletin: ENGINE. This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: A software fix is needed to correct the error message ERP0204E could occur during perform initial operation, software configuration, SVM updates for any control module\(s\) etc.
- [WLA\-25\-11](/bulletins/11025452.md), 2025-11-10, Service bulletin: ENGINE. Coolant Bleed Procedure
- [V2125012077512\_2](/bulletins/11025438.md), 2025-11-10, Service bulletin: ENGINE. Turbocharger repair or replace due to stuck wastegate.
- [V1917012022548\_15](/bulletins/11025437.md), 2025-11-10, Service bulletin: ENGINE. G12Evo can now be mixed with previous coolants.
- [V1718062017813\_23](/bulletins/11025436.md), 2025-11-10, Service bulletin: ENGINE. How to measure engine oil consumption.

JSON: [/v1/bulletins/10122982](/v1/bulletins/10122982)

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