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Service bulletins for the 2021 Volkswagen Jetta

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.

487 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
VOS-26-472026-09-04. Service bulletin. ELECTRICAL SYSTEM. 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. ELECTRICAL SYSTEM. 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. ELECTRICAL SYSTEM. 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. ELECTRICAL SYSTEM. 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. ELECTRICAL SYSTEM. Diagnosis for Excessive Current Draw.
SM 60-20252025-12-05. Other. ELECTRICAL SYSTEM. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
V9124052074273_62025-12-05. Service bulletin. ELECTRICAL SYSTEM. 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. ELECTRICAL SYSTEM. Activation
V5719022055190_62025-07-08. Service bulletin. ELECTRICAL SYSTEM. Remote Key Battery Replacement
V0122032066602_32025-04-04. Service bulletin. ELECTRICAL SYSTEM. Update Engine/Motor Control Module
V9419012011521_202025-01-07. Service bulletin. ELECTRICAL SYSTEM. Internal Moisture Accumulation
V9124092076241_12025-01-07. Service bulletin. ELECTRICAL SYSTEM. When using hands-free call and Apple Car-Play an echo may be heard by call recipent
VOS-24-1352024-12-05. Service bulletin. ELECTRICAL SYSTEM. This is a notice for software changes with the ODIS diagnostic program to correct the communication for the keyless start system. 00B7 - Interface for Access/Start: U101300: Control module not coded & Software Configuration – incorrect coding hotfix
V9124052074273_32024-11-06. Service bulletin. ELECTRICAL SYSTEM. Green Light Does Not Illuminate
SM 54-20242024-10-09. Other. ELECTRICAL SYSTEM. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
V2719012011894262024-09-06. Service bulletin. ELECTRICAL SYSTEM. Battery testing
V9124052074273_22024-09-06. Service bulletin. ELECTRICAL SYSTEM. Car-net® 2.0 may not fully complete the initial Register and Pairing process (R&P) after removal of
V9124052074273_12024-08-06. Service bulletin. ELECTRICAL SYSTEM. Car-net® 2.0 may not fully complete the initial Register and Pairing process (R&P) after removal of
TT 57-21-012024-08-06. Other. ELECTRICAL SYSTEM. KESSY Key adaptation
V5719022055190_52024-03-06. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. Remote Key testing & replacement.
TT 91 24 012024-02-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Addressing Cybersecurity or Vehicle Hack concerns
V9723022072446_12024-01-04. Service bulletin. ELECTRICAL SYSTEM:BODY CONTROL MODULE:SOFTWARE; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; ELECTRICAL SYSTEM:IGNITION:INTERLOCK/LOCKOUT; UNKNOWN OR OTHER. Remote Engine Start and/or Lock/Unlock does not work with "myVW" smart phone app.
V4521012062957-42024-01-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; UNKNOWN OR OTHER; ELECTRICAL SYSTEM:ADAS:CONTROL MODULE. To ensure that the customer is familiar with the various Driver Assist systems and the system limitations via the owners manual and videos available at knowyourvw.com.
V2719012011894242023-08-04. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Battery Testing and Charging using Midtronics VAS6161 and or GRX3000 Vas Charger
V2715032016076122023-08-04. Service bulletin. ELECTRICAL SYSTEM. Diagnostic assistance for excessive static current draw

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.