WenmarOpen by Wenmar Pro

Service bulletins for the 2020 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.

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

By type

By component

By trouble code

Bulletins, newest first
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).
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.
Dealer OCU3_V22021-01-08. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This dealer memo is an informational memo regarding the previous communication we sent out for the OCU3 Replacements. Dealers are still asking questions and we wanted to clarify further. The previous issue was fixed on 11/20/2020.
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.
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.
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
VIN4APIN202010192020-11-05. Service bulletin. SUSPENSION; FUEL SYSTEM, OTHER; ENGINE; EQUIPMENT. Customer states oil leak from the 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 clutch pedal makes noise No crank, no start Customer states seat memory inoperative
VIN4APIN202010142020-11-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; SUSPENSION; ENGINE. Customer states oil leak from the 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 clutch pedal makes noise No crank, no start Customer states seat memory inoperative Customer states both headlights are cracked
VIN4APIN202010012020-11-05. Service bulletin. FUEL SYSTEM, OTHER; EQUIPMENT; ENGINE; SUSPENSION. Customer states oil leak from the engine Customer states MIL-on with P0556 MIL-on P04F0 and/or P0441 Customer states MIL-on with P0111 "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 clutch pedal makes noise No crank, no start Customer states both headlights are cracked
V171803_20372012020-11-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION. Engine oil level checking, updated to include model year 2021
TT 00 16 02-42020-11-05. Service bulletin. SERVICE BRAKES; STEERING; ENGINE. Mandatory fastener.
SM 03-20202020-11-05. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY. This special notice is to inform dealers to return the part numbers listed if they meet the criteria.
TT 45 09 05-62020-10-06. Service bulletin. SERVICE BRAKES; EQUIPMENT. Antilock brake function test direction.
VOS-20-332020-10-06. Service bulletin. ELECTRICAL SYSTEM. This document outlines updates to the ODIS diagnostic software. Updates include corrected diagnostic test plans for the stated vehicles.
VIN4APIN202009212020-10-06. Service bulletin. EQUIPMENT. Customer states oil leak from the engine Customer states MIL-on with P0556 MIL-on P04F0 and/or P0441 Customer states oil leak from the engine Customer states MIL-on with P0111 "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 clutch pedal makes noise No crank, no start Customer states both headlights are cracked
V0017062033708-62020-10-06. Service bulletin. STRUCTURE. Updated to include additional models and model year applicability.
TT 92 20 01-22020-10-06. Service bulletin. VISIBILITY. Wiper circuit diagnosis

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