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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
TT 97 14 022021-02-04. Service bulletin. BACK OVER PREVENTION:SOFTWARE. Data link diagnostics and tips
V1719012012855_32021-02-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Updated to include an additional model year applicability.
Dealer 67A92021-02-04. Service bulletin. ELECTRICAL 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.
Circular 67A92021-02-04. Service bulletin. ELECTRICAL 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.
VIN4APIN202101142021-02-04. Service bulletin. EQUIPMENT; 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
VIN4APIN202101042021-02-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. 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
V2719012011894162021-02-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Battery testing. Updated to include additional model and model year applicability.
V5515032021354_72021-02-04. Service bulletin. STRUCTURE; EQUIPMENT. Body surfaces (engine compartment and underside of hood) are not directly visible (exposed) therefore do not match exterior paint finish.
TT 01 18 162021-02-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Update to address DTC U300100 after a Charging System Concern, Discharged Battery or Battery Replacement
VIN4APIN202012102021-01-08. Service bulletin. ELECTRICAL SYSTEM; SEATS; ENGINE. 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 tank or fuel coming back up filler neck
TT 57 10 152021-01-08. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT ADAPTIVE/MOBILITY; EQUIPMENT. Updated key ordering protocol
TT 27 20 02_12021-01-08. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT:OTHER:LABELS. Battery Id for testing
SM C-20202021-01-08. Service bulletin. EQUIPMENT. This special notice is to inform dealers to return the part numbers listed (State of California only).
DealerCarNetPass2021-01-08. Service bulletin. POWER TRAIN. 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.
VIN4APIN202012012021-01-08. Service bulletin. POWER TRAIN:CLUTCH ASSEMBLY:PEDAL/HAND LEVER(MOTORCYCLE); EQUIPMENT; FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY; ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR. 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
V0019042054866_22021-01-08. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Instruction on how to create S/D cards used to update programming on various control modules.
VIN4APIN202011202020-12-04. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; FUEL SYSTEM, OTHER:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS. Customer states MIL-on with P0556 "Customer states MIL-on with P11A1/P11A2/P11A3/P11A4/P11A5/P11A6/P11A7/P11A8/ P11A9/P11AA/P11AB/P11AC/P11AD/P11AE/P11AF/P11B0" Customer states MIL-on with P2421 Customer states MIL-on, HPFP mounting bolts loose/broken 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
VIN4APIN202011122020-12-04. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Customer states MIL-on with P0556 "Customer states MIL-on with P11A1/P11A2/P11A3/P11A4/P11A5/P11A6/P11A7/P11A8/ P11A9/P11AA/P11AB/P11AC/P11AD/P11AE/P11AF/P11B0" Customer states MIL-on with P0463 P2068 Customer states MIL-on, HPFP mounting bolts loose/broken 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
V8720022061094_22020-12-04. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM; EQUIPMENT; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Using Nitrogen to assist in finding A/C refrigerant leaks.
V5718012042955-62020-12-04. Service bulletin. EQUIPMENT; STRUCTURE:BODY:DOOR. Update to include additional components in parts table.
Dealer - OCU32020-12-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This dealer memo is an informational memo regarding to stop OCU3 Replacement until after 11/20/2020.
V1718062017813142020-12-04. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Oil consumption test updated to include additional models and model year applicability.
SM 61-20202020-12-04. Service bulletin. EQUIPMENT. This special notice is to inform dealers to return the part numbers listed and order the superseded part numbers.
V8720022061094-12020-11-05. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Using Nitrogen to assist in finding A/C refrigerant leaks.
VIN4APIN202010212020-11-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; POWER TRAIN; ENGINE. Customer states MIL-on with P0556 "Customer states MIL-on with P11A1/P11A2/P11A3/P11A4/P11A5/P11A6/P11A7/P11A8/ P11A9/P11AA/P11AB/P11AC/P11AD/P11AE/P11AF/P11B0" Customer states rattle noise from under vehicle Customer states MIL-on with P0463 P2068 Customer states MIL-on, HPFP mounting bolts loose/broken Customer states MIL-on with Misfire code Customer states clutch pedal makes noise No crank, no start Customer states seat memory inoperative

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