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Service bulletin TT 00-25-01

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11022720
Published by NHTSA2025-09-04
Manufacturer's numberTT 00-25-01
Manufacturer's date2025-08-21
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Prevent battery discharge.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Vehicles listed
VOLKSWAGEN TIGUAN2025, 2026

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20264342026-09-10. Electrical
26V5870002026-09-10. ELECTRICAL SYSTEM:BODY CONTROL MODULE:SOFTWARE

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
VOS-26-472026-09-04. Service bulletin. 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 issue: Part number 3Q0-959-435N software version number 1307 has incorrect coding.
V2724012073810_72026-09-04. Service bulletin. Battery Checking Procedure before replacement
VOS-26-422026-08-05. Service bulletin. 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 issue: DA 0019 - Hotfix 12-V battery test(s) – No battery diagnosis - Inconclusive test result.
V9626022082488_22026-08-05. Service bulletin. Disconnect the control console for 10 seconds to reset.
V9626012082488_12026-08-05. Service bulletin. Disconnect the control console for 10 seconds to reset.
VOS-26-152026-04-06. Service bulletin. 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 multiple test plans: All basic settings test for the following components - Fill and bleed cooling system issue, N493, J338, Camshaft, V465 etc. Use this test for all the basic setting. You will need to select the component you need to run the basic settings. But there are also stand-alone tests for each of those components.
SM 05-20262026-03-03. Other. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
VOS-26-012026-02-06. Service bulletin. 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 a test that is not reading any information from the battery data module (BDM) and will output:
V2724012073810_62026-02-06. Service bulletin. 12V BatteryTesting, Charging and Required Documents before replacement.
V2724012073810_52026-01-07. Service bulletin. Battery Check Process before replacement