2021 Volkswagen Passat Technical Service Bulletins

349 technical service bulletins (TSBs) are on record for the 2021 Volkswagen Passat. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10198230Jun 22, 2021Engine, Fuel system. Fuel Additive to Help Prevent Sporadic Misfire Faults
• 10198245Jun 21, 2021Engine cooling. Properly checking and reading engine oil level instruction
• 10198233Jun 21, 2021Electrical system. Software Version Management (SVM)
• 10198166Jun 21, 2021Fuel system, Other or unknown, Engine. VW approved gasoline fuel additive, update to include additional models and model year applicability.
• 10198169Jun 18, 2021Equipment. Navigation for addressing incorrect Part direction.
• 10197674Jun 11, 2021Transmission and drivetrain. Reverse gear function note.
• 10197983Jun 3, 2021Engine cooling. Update engine oil quality standard lists (attachments)
• 10197675Jun 3, 2021Equipment, Visibility (wipers, defrost, mirrors). Prism mirror Owner's manual
• 10197662Jun 2, 2021Equipment. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
• 10194499May 25, 2021Equipment. Alarm installation instructions
• 10194497May 25, 2021Equipment. R1234YF A/C Flush instruction, updated instruction step 27.
• 10194519May 24, 2021Electrical system. This dealer memo is an informational memo regarding that MY21 Passats will only have Remote Start capability through the key fob and will not have Remote Start access through the VW Car-Net App
• 10193924May 18, 2021Equipment. Removing musty odor from A/C system. Updated to include additional model and model year applicability.
• 10193577May 11, 2021Engine cooling. Update engine oil quality standard lists (attachments)
• 10193029May 10, 2021Equipment. Liquid Applied Transit Coating Removal Process. Necessary to re-publish because of I.T. mishap causing the publication not to display on websites.
• 10193008May 5, 2021Body and structure. Liquid Applied Transit Coating Removal Process
• 10193032May 4, 2021Body and structure. New document
• 10191559Apr 30, 2021Equipment. Elsa2Go campaign information is now 100% aligned with ElsaPro. This update to Elsa2Go ensures that both systems are displaying the same campaign information, including OPEN/CLOSED status, repair date as well as criterions at the same time without any discrepancy.
• 10190517Apr 16, 2021Seat 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.
• 10190524Apr 15, 2021Seat 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.
• 10190221Apr 9, 2021Equipment. Parts ordering information
• 10190228Apr 5, 2021Engine, Equipment. Update engine oil quality standard lists (attachments)
• 10189595Mar 24, 2021Equipment. A/C system flush instruction. Updated to include an additional flush machine.
• 10189160Mar 12, 2021Equipment. A/C cap leak diagnosis.
• 10189158Mar 12, 2021Electrical system. Key battery diagnosis, updated to include additional model year applicability.
• 10189157Mar 10, 2021Equipment. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
• 10188558Mar 3, 2021Transmission and drivetrain. Transmission Fluid requirements updated to include additional model year applicability.
• 10188562Mar 2, 2021Exterior lighting. Exterior lighting moisture in lens updated to exclude LED lighting.
• 10188553Mar 1, 2021Fuel system. VW approved gasoline fuel additive, update to include additional models and model year applicability.
• 10187573Feb 24, 2021Equipment. This special notice is to inform dealers to return the part numbers listed (State of California only).
• 10187577Feb 22, 2021Engine cooling. Update to top tier brochure purchasing url.
• 10187516Feb 19, 2021Visibility (wipers, defrost, mirrors). Calibration Mirror(s) information for special tool VAS 6430
• 10186978Feb 8, 2021Electrical system. Software Version Management (SVM) instruction updated to include model year 2021
• 10187512Feb 3, 2021Engine cooling. This Document was revised to include 2021 Model Year
• 10186979Feb 1, 2021Engine cooling. Updated to include update recommended engine oil attachments.
• 10186972Feb 1, 2021Electrical system. New Doc
• 10186583Jan 29, 2021Back-over prevention (rear camera). Data link diagnostics and tips
• 10186589Jan 26, 2021Brakes. A/C requirements, update to title.
• 10186578Jan 25, 2021Equipment. Updated to include an additional model year applicability.
• 10185676Jan 14, 2021Equipment, Electrical system. Battery testing. Updated to include additional model and model year applicability.
• 10185665Jan 14, 2021Body and structure, Equipment. Body surfaces (engine compartment and underside of hood) are not directly visible (exposed) therefore do not match exterior paint finish.
• 10185652Jan 5, 2021Electrical system, Equipment. "Additional Maintenance Items: Dust & Pollen Filter: Change ""40,000 miles or 2 years, whichever occurs first"""
• 10185216Dec 18, 2020Equipment, Electrical system. Updated key ordering protocol
• 10185155Dec 18, 2020Equipment. This special notice is to inform dealers to return the part numbers listed (State of California only).
• 10184285Dec 8, 2020Electrical system. Instruction on how to create S/D cards used to update programming on various control modules.
• 10183413Nov 19, 2020Equipment. MQB3 Radio feature explanation.
• 10183303Nov 18, 2020Engine. New Document
• 10183509Nov 17, 2020Body and structure, Equipment. Update to include additional components in parts table.
• 10183306Nov 13, 2020Engine. New Document
• 10183576Nov 11, 2020Equipment, Engine cooling. Using Nitrogen to assist in finding A/C refrigerant leaks.

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