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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
V9419012011521182022-05-05. Service bulletin. EXTERIOR LIGHTING. Exterior Lights, Moisture Accumulation. Update model year applicability to include 2022.
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.
V0122022065992_22022-04-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Update programming ECM. Updated to change title from Late Production to Mid-Production once sister TB for Late Production is/was developed.
V1719012012855452022-04-06. Service bulletin. ENGINE AND ENGINE COOLING. Update engine oil quality standard lists (attachments)
V1718062017813162022-04-06. Service bulletin. ENGINE AND ENGINE COOLING. Engine oil consumption measurement. Update procedure and work sheet.
TT 57 21 01_42022-04-06. Service bulletin. EQUIPMENT:ELECTRICAL. MQB KESSY adaptation tip. Updated to include Taos.
V2715032016076112022-04-06. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Discharged Battery, Diagnosis for excessive current draw.
V1917012022548_92022-03-04. Service bulletin. ENGINE AND ENGINE COOLING. Update model and model year applicability, introduce new coolant G12Evo.
V1719012012855442022-03-04. Service bulletin. ENGINE. Update engine oil quality standard lists (attachments)
TT 97 21 02_52022-03-04. Service bulletin. EQUIPMENT:MECHANICAL:BOOM/CRANE/LADDER:CONTROLS/CONTROL WIRING. checking/ repair door wiring harness connector for various DTCs or erratic window operation.
V4619022015173302022-03-04. Service bulletin. SERVICE BRAKES. Brake Rotor, Vibration / Pulsation Instruction (U.S. Only)
V0122022065992_12022-03-04. Service bulletin. EQUIPMENT:ELECTRICAL. Update programming for low or no heat output from the air vents under certain cold weather conditions.
TT 91 20 09_52022-03-04. Service bulletin. EQUIPMENT:ELECTRICAL. Modified diagnosis for Car Net® 2.0 - Emergency Call Module and Communication Unit -J949- Green Light Does Not Illuminate
SM 09-20222022-03-04. Service bulletin. EQUIPMENT. This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
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.
DC_OTA_UPDATES2022-02-04. Service bulletin. EQUIPMENT:ELECTRICAL:INFOTAINMENT:SOFTWARE; UNKNOWN OR OTHER; EQUIPMENT:ELECTRICAL:INFOTAINMENT. Over-the-Air Software Updates dealer communication
V1719012012855432022-02-04. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING; ENGINE. Update engine oil quality standard lists (attachments)
V0019012040590102022-02-04. Service bulletin. EQUIPMENT; STRUCTURE. Water under transportation wrapping appears as paint defect. Update model year applicability.
TT 97 21 02_42022-02-04. Service bulletin. ELECTRICAL SYSTEM. Fault code U019900, U020000, B101729, B101715, B103611, B103629 along with Various Warnings
TT 15 22 012022-02-04. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING. Camshaft timing faults may store in ECM after cylinder head or engine replacement.
V8718082049039152022-01-06. Service bulletin. ELECTRICAL SYSTEM. Cleaning of R1234YF Refrigerant Circuit. Updated to include Atlas front bumper R & I w/ labor operation number
V4619012010245282022-01-06. Service bulletin. SERVICE BRAKES. Bake Vibration, Pulsation, Noise when braking during PDI
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.
V1719012012855422022-01-06. Service bulletin. ENGINE AND ENGINE COOLING. Update engine oil quality standard lists (attachments)
TT 01 21 032022-01-06. Service bulletin. EQUIPMENT:ELECTRICAL. Explanation of error message received from scan tool when erasing diagnostic trouble codes (DTCs) in Control Module -623- after repair.

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