2020 Volkswagen Passat Technical Service Bulletins

455 technical service bulletins (TSBs) are on record for the 2020 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.

• 10197649Jun 11, 2021Electrical system. Updated Car-net Quick Reference Guide. 2020 MY Passats are excluded from the remote start function via the Car-net app
• 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.
• 10194497May 25, 2021Equipment. R1234YF A/C Flush instruction, updated instruction step 27.
• 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)
• 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.
• 10190519Apr 13, 2021Electrical 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.
• 10190525Apr 12, 2021Equipment, 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.
• 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.
• 10189156Mar 12, 2021Equipment. 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.
• 10189157Mar 10, 2021Equipment. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
• 10188564Mar 4, 2021Equipment. 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
• 10188558Mar 3, 2021Transmission and drivetrain. Transmission Fluid requirements updated to include additional model year applicability.
• 10188563Mar 2, 2021Equipment. 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
• 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
• 10187001Feb 11, 2021Fuel system. 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
• 10186980Feb 9, 2021Engine 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
• 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.
• 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.
• 10186592Jan 21, 2021Fuel system, Other or unknown. 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
• 10185656Jan 15, 2021Equipment, Electrical system. Update to address DTC U300100 after a Charging System Concern, Discharged Battery or Battery Replacement
• 10186559Jan 14, 2021Electrical system. In affected vehicles, the radio may not turn off due to a wiring issue inadvertently introduced when the Remote Start feature was installed at the port. A radio that doesn't turn off can result in a dead vehicle battery.
• 10185678Jan 14, 2021Equipment, Electrical system. Customer states MIL-on with P0556 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
• 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.
• 10186560Jan 13, 2021Electrical system. In affected vehicles, the radio may not turn off due to a wiring issue inadvertently introduced when the Remote Start feature was installed at the port. A radio that doesn't turn off can result in a dead vehicle battery.
• 10185677Jan 4, 2021Equipment, Electrical system. Customer states MIL-on with P0556 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
• 10185153Dec 21, 2020Transmission and drivetrain. This dealer memo is an informational memo regarding that MY20 Passat's that are eligible can have their hardware in the vehicle swapped out so their Passat can have Car-Net.
• 10185216Dec 18, 2020Equipment, Electrical system. Updated key ordering protocol
• 10185168Dec 18, 2020Electrical system, Equipment. Battery Id for testing
• 10185155Dec 18, 2020Equipment. This special notice is to inform dealers to return the part numbers listed (State of California only).
• 10185219Dec 10, 2020Electrical system, Engine, Seats. Customer states MIL-on with P0556 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 seat memory 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…
• 10184285Dec 8, 2020Electrical system. Instruction on how to create S/D cards used to update programming on various control modules.
• 10184286Dec 1, 2020Equipment, Fuel system, Transmission and drivetrain, Engine cooling. Customer states MIL-on with P0556 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 seat memory 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

← All problems reported for the 2020 Volkswagen Passat