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Service bulletin Circular 90X1

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 id10249408
Published by NHTSA2024-02-06
Manufacturer's numberCircular 90X1
Manufacturer's date2024-01-25
NHTSA componentELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE

NHTSA's summary

Volkswagen is providing a hardware and/or a software update to address an issue in selected vehicles where the fuel gage may show a lower fuel level than what is actually remaining in the vehicle.

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, Fuel system

Vehicles listed
VOLKSWAGEN JETTA2020

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

Recalls for the same vehicles and component
20240952024-02-14. Fuel System
24V1100002024-02-14. FUEL SYSTEM, GASOLINE
20234872023-08-31. Electrical
23V6040002023-08-30. ELECTRICAL SYSTEM:IGNITION:SWITCH

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.
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.
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.
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:
V2715032016076_132026-01-07. Service bulletin. Diagnosis for Excessive Current Draw.
SM 67-20252026-01-07. Other. This special notice is to inform dealers to return the parts listed and only order the successor parts going forward.
SM 60-20252025-12-05. Other. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
V9124052074273_62025-12-05. Service bulletin. A "How To" activate Car Net® 2.0 - Emergency Call Module and Communication Unit -J949-Vehicle is Offline (Not Connected)
V9124052074273_52025-09-04. Service bulletin. Activation
V5719022055190_62025-07-08. Service bulletin. Remote Key Battery Replacement