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Service bulletins for the 2020 Volkswagen Passat

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.

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

By type

By component

By trouble code

Bulletins, newest first
Dealer 69BS2021-05-06. Service bulletin. SEAT BELTS. Although the front passenger seat belt is compliant with regulatory requirements, Volkswagen has developed a software update that will (1) adjust the front passenger's seat belt load limiter timing and (2) increase the robustness of the system by decreasing the front passenger's potential chest acceleration during a frontal crash.
Circular 91BM2021-05-06. Service bulletin. ELECTRICAL SYSTEM. As indicated on the Monroney label at the time of retail sale, the vehicles included in this service action were sold before July 1, 2020 with a non-functioning Car-Net Operating Control Unit (OCU). Purchasers were advised that a functioning OCU would be installed free of charge once parts became available.
Circular 69BS2021-05-06. Service bulletin. SEAT BELTS. Although the front passenger seat belt is compliant with regulatory requirements, Volkswagen has developed a software update that will (1) adjust the front passenger's seat belt load limiter timing and (2) increase the robustness of the system by decreasing the front passenger's potential chest acceleration during a frontal crash.
V1719012012855332021-05-06. Service bulletin. EQUIPMENT; ENGINE. Update engine oil quality standard lists (attachments)
TT 00 13 04_62021-05-06. Service bulletin. EQUIPMENT. Parts ordering information
V8718082049039_92021-04-06. Service bulletin. EQUIPMENT. A/C system flush instruction. Updated to include an additional flush machine.
TT 87 21 012021-04-06. Service bulletin. EQUIPMENT. A/C cap leak diagnosis.
TT 57 18 02_32021-04-06. Service bulletin. ELECTRICAL SYSTEM. Key battery diagnosis, updated to include additional model year applicability.
SM 22-20212021-04-06. Service bulletin. EQUIPMENT. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
Dealer CarNet2021-04-06. Service bulletin. EQUIPMENT. This dealer memo is an informational memo regarding that MY20 Passat's that are eligible to have their hardware in the vehicle swapped out so their Passat can have Car-Net.
VIN4APIN202103042021-04-06. Service bulletin. EQUIPMENT. Customer states MIL-on P0087, P0148 and/or P053F Customer states radio is freezing, rebooting, or blank display. Customer states wind noise from the side mirror or door area MFI in cluster warning U0199 Customer states fuel odor/leak in the rear part of the vehicle (without a punctured fuel tank, hoses or pipes) or difficulty fueling fuel tank or fuel coming back up filler neck
VIN4APIN202103022021-04-06. Service bulletin. EQUIPMENT. Customer states MIL-on P0087, P0148 and/or P053F Customer states radio is freezing, rebooting, or blank display. MFI in cluster warning U0199 Customer states fuel odor/leak in the rear part of the vehicle (without a punctured fuel tank, hoses or pipes) or difficulty fueling fuel tank or fuel coming back up filler neck
V9419012011521172021-04-06. Service bulletin. EXTERIOR LIGHTING. Exterior lighting moisture in lens updated to exclude LED lighting.
V3718022033975_72021-04-06. Service bulletin. POWER TRAIN. Transmission Fluid requirements updated to include additional model year applicability.
V0116152014815122021-04-06. Service bulletin. FUEL SYSTEM, GASOLINE. VW approved gasoline fuel additive, update to include additional models and model year applicability.
V0017132033846132021-03-04. Service bulletin. ENGINE AND ENGINE COOLING. Update to top tier brochure purchasing url.
SM 15-20212021-03-04. Service bulletin. EQUIPMENT. This special notice is to inform dealers to return the part numbers listed (State of California only).
TT 27 21 012021-03-04. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES. Calibration Mirror(s) information for special tool VAS 6430
2021OilCapChart2021-03-04. Service bulletin. ENGINE AND ENGINE COOLING. This Document was revised to include 2021 Model Year
VIN4APIN202102112021-03-04. Service bulletin. FUEL SYSTEM, GASOLINE. Customer states MIL-on with Misfire code No crank, no start Customer states fuel odor/leak in the rear part of the vehicle (without a punctured fuel tank, hoses or pipes) or difficulty fueling fuel tank or fuel coming back up filler neck
VIN4APIN202102032021-03-04. Service bulletin. ENGINE AND ENGINE COOLING. Customer states MIL-on with Misfire code No crank, no start Customer states no voice output during calls / micro phone inoperative Customer states fuel odor/leak in the rear part of the vehicle (without a punctured fuel tank, hoses or pipes) or difficulty fueling fuel tank or fuel coming back up filler neck
V1719012012855322021-03-04. Service bulletin. ENGINE AND ENGINE COOLING. Updated to include update recommended engine oil attachments.
V0118122014603162021-03-04. Service bulletin. ELECTRICAL SYSTEM. Software Version Management (SVM) instruction updated to include model year 2021
VIN4APIN202101212021-02-04. Service bulletin. FUEL SYSTEM, OTHER. Customer states MIL-on with P2421 Customer states MIL-on with Misfire code Customer states clutch pedal makes noise No crank, no start Customer states no voice output during calls / micro phone inoperative Customer states fuel odor/leak in the rear part of the vehicle (without a punctured fuel tank, hoses or pipes) or difficulty fueling fuel tank or fuel coming back up filler neck
V8718102043704152021-02-04. Service bulletin. SERVICE BRAKES, AIR:SUPPLY:COMPRESSOR. A/C requirements, update to title.

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