# Service bulletin V2126012081044\_1

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: 11029313
- Published by NHTSA: 2026\-03\-03
- Manufacturer's number: V2126012081044\_1
- Manufacturer's date: 2026\-02\-17
- NHTSA component: ENGINE

## NHTSA's summary

Topic under investigtion DO NOT replace or repair, contact VW helpline and wait further instruction.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11029313-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11029313-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2026 VOLKSWAGEN TIGUAN

## Other bulletins for the same vehicles and component

- [V2426012083103\_1](/bulletins/11038148.md), 2026-10-06, Service bulletin: ENGINE. Reference to Service Action 24BD
- [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.
- [Dealer 24TT\_20260421](/bulletins/11032215.md), 2026-05-05, Service campaign: ENGINE. Under this service action, updated engine control module \(ECM\) software will be installed to provide robustness improvements to the ECM calibration for the turbocharger variable turbine geometry \(VTG\) actuator endpoints. This has no impact on vehicle emissions. Updated affected vehicles chart. Added note to the work instructions regarding fault code P160900.
- [Dealer 24TT](/bulletins/11032214.md), 2026-05-05, Service campaign: ENGINE. Under this service action, updated engine control module \(ECM\) software will be installed to provide robustness improvements to the ECM calibration for the turbocharger variable turbine geometry \(VTG\) actuator endpoints. This has no impact on vehicle emissions.
- [Circular 24TT\_20260421](/bulletins/11032212.md), 2026-05-05, Service campaign: ENGINE. Under this service action, updated engine control module \(ECM\) software will be installed to provide robustness improvements to the ECM calibration for the turbocharger variable turbine geometry \(VTG\) actuator endpoints. This has no impact on vehicle emissions. Updated affected vehicles chart. Added note to the work instructions regarding fault code P160900.
- [Circular 24TT](/bulletins/11032211.md), 2026-05-05, Service campaign: ENGINE. Under this service action, updated engine control module \(ECM\) software will be installed to provide robustness improvements to the ECM calibration for the turbocharger variable turbine geometry \(VTG\) actuator endpoints. This has no impact on vehicle emissions.

JSON: [/v1/bulletins/11029313](/v1/bulletins/11029313)

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