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Service bulletins for the 2021 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.

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

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By component

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
V0122032066602_12022-04-06. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; ENGINE. Update Programming ECM for low or no heat in certain cold weather conditions.
Dealer 91DE2022-04-06. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. SERV_ACT - Connected Services (OCU3 High Module) Software Update
V2715032016076112022-04-06. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Discharged Battery, Diagnosis for excessive current draw.
Circ91CZ91DCREV12022-03-04. Service bulletin. ELECTRICAL SYSTEM:BODY CONTROL MODULE:SOFTWARE. Infotainment System Software Update - Golf models added
VOS-22-032022-02-04. Service bulletin. ELECTRICAL SYSTEM. This document outlines updates to the ODIS diagnostic software. Updates include corrected diagnostic test plans for the stated vehicles.
TT 97 21 02_42022-02-04. Service bulletin. ELECTRICAL SYSTEM. Fault code U019900, U020000, B101729, B101715, B103611, B103629 along with Various Warnings
V8718082049039152022-01-06. Service bulletin. ELECTRICAL SYSTEM. Cleaning of R1234YF Refrigerant Circuit. Updated to include Atlas front bumper R & I w/ labor operation number
V2719012011894172022-01-06. Service bulletin. ELECTRICAL SYSTEM. Battery testing using VW special tools, updated to include additional model year applicability and include I.D.4.
A0021552011732122022-01-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. This bulletin contains general instructions for software updates.
TT 97 21 02_22021-12-07. Service bulletin. ELECTRICAL SYSTEM:WIRING; UNKNOWN OR OTHER. Diagnostic assistance for DTC U019900 & U020000. Update metadata for applicable model (BW)
VIN4APIN202111092021-12-07. Service bulletin. SUSPENSION; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE. Customer states MIL-on with P0087 P0149 P053F in the ECM Customer states MIL-on with any combination of P0300, P0301, P0302, P0303, P0304, P1D74 and/or P1D75 in the ECM Customer states rattle noise from the underbody heat shields Customer states noise from front suspension Customer states noise during clutch pedal operation Customer states airbag light on Customer states no crank/no start. Vehicle is towed in.
V6919012010479142021-12-07. Service bulletin. ELECTRICAL SYSTEM. Update to model year applicability.
TT 97 21 022021-12-07. Service bulletin. ELECTRICAL SYSTEM. Door wiring harness connectivity faults and/or erratic symptoms.
TT 91 21 02_32021-12-07. Service bulletin. ELECTRICAL SYSTEM:BODY CONTROL MODULE:SOFTWARE. Diagnostic assistance for Hands free calling, Voice commands, Emergency call and Communication.
VIN4APIN202110282021-11-05. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM; SUSPENSION; STRUCTURE:BODY; STRUCTURE: UNDERRIDE. Customer states MIL-on with P0087 P0149 P053F in the ECM Customer states MIL-on with any combination of P0300, P0301, P0302, P0303, P0304, P1D74 and/or P1D75 in the ECM Customer states rattle noise from the underbody heat shields Customer states noise from front suspension Customer states noise during clutch pedal operation Customer concern of vehicle door hard to close/out of adjustment Customer states airbag light on Customer states no crank/no start. Vehicle is towed in. Customer states there is a popping/clicking noise while operating temperature settings
VIN4APIN202109222021-10-06. Service bulletin. ELECTRICAL SYSTEM. Customer states MIL-on with P0087 P0149 P053F in the ECM Customer states noise from front suspension Customer states noise during clutch pedal operation Customer states no crank/no start. Vehicle is towed in. Customer states there is a popping/clicking noise while operating temperature settings Customer states MIL-on with P0401
OTAUPD202109252021-10-05. Service bulletin. ELECTRICAL SYSTEM:WIRING:POSITION/LIMIT SENSOR/SWITCH. Over the air SW flash for OCU3 Low 302
TT 91 21 02_22021-09-02. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Rest procedure for OCU
TT 91 02 09_32021-09-02. Service bulletin. ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:SOFTWARE. Ready status for J949 Emergency Call Module and Communication Unit. Model/model year update to existing tip.
VIN4APIN202108192021-09-02. Service bulletin. ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY:MANAGEMENT SYSTEM/ENERGY CONTROL MODULE (BMS/BECM); ENGINE. Customer states MIL-on with P013E in the ECM Customer states MIL-on with P0087 P0149 P053F in the ECM Customer states noise during clutch pedal operation Hood release inoperative Customer states there is a popping/clicking noise while operating temperature settings Customer states MIL-on with P0401
V9121022064286_32021-09-02. Service bulletin. ELECTRICAL SYSTEM:ADAS:BLINDSPOT:SOFTWARE. MIB3 Infotainment software update. Update to warranty table time units.
V9121022064286_22021-09-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:INFOTAINMENT. MIB3 Infotainment software update. Updated to clarify GFF Time Units.
V0019042054866_42021-09-02. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL. SD creator instruction, updated to include model year 2022.
TT 96 14 05_162021-09-02. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. Immobilizer Key adaptation test plan. Update to model applicability.
V8718082049039112021-08-04. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM. Cleaning of R1234YF Refrigerant Circuit

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