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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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Only bulletins with component: Engine control module are shown. Show all

Bulletins, newest first
TT 01 19 05_62024-03-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Engine Crank, No Start or No -J623- ECM Communication with DTC U0100 Stored in ECM Fault Memory
V9723022072446_12024-01-04. Service bulletin. ELECTRICAL SYSTEM:BODY CONTROL MODULE:SOFTWARE; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM; ELECTRICAL SYSTEM:IGNITION:INTERLOCK/LOCKOUT; UNKNOWN OR OTHER. Remote Engine Start and/or Lock/Unlock does not work with "myVW" smart phone app.
V0123122072378_12024-01-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE; UNKNOWN OR OTHER. Update Programming Engine/Motor Control module for EVAP system vent valve.
VOS-23-102023-05-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Instructional document regarding the installation of a hotfix for the ODIS service software. Hotfix is to be used after an ECM Replacement
V0122052068071_22022-11-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Update ECM programming. Revised to correct warranty labor operation number.
VIN4APIN202208042022-09-01. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); STRUCTURE:FRAME AND MEMBERS:UNDERBODY SHIELDS. Customer states rattle noise from the underbody heat shields Customer states brake noise, dust and uneven pad wear Customer states MIL-on, fault P0442 and/or P0456 stored in ECM memory Customer states rattle noise under vehicle Customer states MIL-on, fault P0463 stored in ECM memory Customer states blind spot monitoring error in MFI Customer states blower stays on Customer states airbag light on Customer states KESSY door lock/unlock inoperative Customer states AC inoperative
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.
VIN4APIN202109302021-10-06. Service bulletin. SUSPENSION:FRONT; STRUCTURE; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); EQUIPMENT. 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 concern of vehicle door hard to close/out of adjustment 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
VIN4APIN202108022021-09-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Customer states MIL-on with P013E in the ECM Customer states MIL-on with P0087 P0149 P053F in the ECM Hood release inoperative Customer states MIL-on with P0401
VIN4APIN202107282021-08-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); STRUCTURE; VISIBILITY:REARVIEW MIRRORS/DEVICES; SUSPENSION:FRONT. Customer states MIL-on with P013E in the ECM Customer states MIL-on with P0087 P0149 P053F in the ECM Customer states MIL-on with P0461 in the ECM Customer states front suspension noise while driving Customer states the rear view mirror is loose Hood release inoperative Customer states MIL-on with P0401
VIN4APIN202107062021-08-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); STRUCTURE; SUSPENSION:FRONT; VISIBILITY:REARVIEW MIRRORS/DEVICES. Customer states MIL-on with P013E in the ECM Customer states MIL-on with P0461 in the ECM Customer states front suspension noise while driving Customer states the rear view mirror is loose Hood release inoperative
Dealer 24GW2021-08-04. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE. In the event of a catalytic converter failure, which could negatively impact tailpipe emissions, existing diagnostics may not properly illuminate the Malfunction Indicator Light (MIL) due to an error identified with Rear O2 Sensor monitoring.
VIN4APIN202106302021-07-02. Service bulletin. SUSPENSION; STRUCTURE:BODY:HOOD; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Customer states MIL-on with P013E in the ECM Customer states MIL-on with P0461 in the ECM Customer states front suspension noise while driving Hood release inoperative
VIN4APIN202106232021-07-02. Service bulletin. SEATS; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); STRUCTURE:BODY:HOOD; SUSPENSION. Customer states MIL-on with P013E in the ECM Customer states MIL-on with P0461 in the ECM Customer states front suspension noise while driving 3rd row seat lift strap detached Hood release inoperative
VIN4APIN202106022021-07-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); STRUCTURE:BODY:TAILGATE; SUSPENSION. Customer states MIL-on with P013E in the ECM Customer states MIL-on with P0461 in the ECM Customer states front suspension noise while driving 3rd row seat lift strap detached Hood release inoperative Rear tailgate strut broken/loose/detached
TT 00 18 05_22021-03-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). Update models and model year applicability.

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