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Service bulletins for the 2012 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.

1483 on file from NHTSA, as of 2026-10-19.

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

Bulletins, newest first
Reference Guide2019-04-01. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM. Body/Infotainment Module Software Updates: This document informs of various complaints that were addressed in software updates, and technical bulletins.
V281203 20295142019-04-01. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Technical Bulletin (Cylinder Glow Plug Circuit issues): Internal hardware issue of the glow plug relay may cause an over voltage supply to the glow plug(s) damaging the heating element. The production solution to this issue was Improved glow plug relays implemented in production and spare parts. This document discusses the "Fault Codes" necessary to diagnosis, and potential remedy of the issue. The fault codes for checking warranty coverage for servicing the vehicle are also available.
V911222 20227392019-04-01. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Technical Bulletin (Bluetooth System Identification): This document informs of the method to understand how to identify the various Bluetooth systems by: ? Visual Identification ? PR Code ? Part Number
V691202 20297672019-04-01. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; AIR BAGS. Technical Bulletin (Airbag Warning Lamp Illuminated in Instrument Cluster, DTC B101614 Stored in Airbag Control Module): This document informs only that Airbag lamp in instrument cluster may illuminate due to unfastened connector for passenger airbag warning lamp.
V601203 20195682019-04-01. Service bulletin. VISIBILITY:SUN/MOON ROOF ASSEMBLY; ELECTRICAL SYSTEM. Technical Bulletin (Sunroof / Sunshade, Will Not Open): The issued of The panoramic sunroof, regular sunroof or sunshade cannot be opened. The sunroof?s ?Basic Setting? has been unintentionally initiated by the customer. This document informs the procedure to reset the settings of the Sunroof / Sunshade so that functionality can be retained. This document discusses the "Fault Codes" necessary to diagnosis, and potential remedy of the issue. The fault codes for checking warranty coverage for servicing the vehicle are also available.
TT 96-12-072019-04-01. Service bulletin. ELECTRICAL SYSTEM; STEERING. Tech Tips (Equipped With KESSY ? Key Adaptation Tip): When adapting keys on a vehicle equipped with KESSY, it is recommended to remove the immobilizer reader coil from behind round cover on steering column trim and insert key inside the reader coil. The steering column trim does not need to be completely removed to access reader coil. For vehicles with the Start/Stop button on the steering column, the Start/Stop button assembly can be removed from column trim without disassembling trim. Start/Stop button connector must be disconnected to allow reader coil to be removed from around button assembly. Start/Stop button should be reconnected during key adaptation. This document provides photo examples of the procedure.
TT 91-12-082019-04-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Tech Tips (Bluetooth Compatibility): This document informs of the web address that can be used to check Bluetooth compatibility for all 2011, and newer vehicles, as well as 2010 Routan
TT 87-11-012019-04-01. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM. Tech Tips (A/C Control Module Basic Settings): This document informs how to set basic setting on the Climatic control module after replacement for fault code 00898
TT 57-13-052019-04-01. Service bulletin. ELECTRICAL SYSTEM. Tech Tips (Auto Unlock Function): On the vehicles listed above, the auto unlock feature will only unlock the door(s) that were unlocked when the vehicle was last entered. For example, if the vehicle is set to unlock only the driver?s door on first press of the unlock button on the keyless entry remote (or when using the door handle on KESSY equipped vehicles) and only the driver?s door is unlocked during entry, only the driver?s door will unlock with the auto unlock feature when placed into park or the key is removed from the ignition. This is normal operation, normal characteristic and no diagnosis or repair should be attempted for this condition.
TT 27-11-022019-04-01. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Tech Tips (No Charging System Voltage): This document informs with a general overview of how to inspect and diagnosing a low battery or no charging system concern.
TT 57-10-042019-04-01. Service bulletin. ELECTRICAL SYSTEM. Tech Tips (No Communication with the J519 Vehicle Electrical System Control Module/Body Control Module): If no communication can be established to the Vehicle electrical system control module J519 (address word 09) in Guided Fault Finding or Vehicle Self Diagnosis, it may be necessary to cycle door locks. This document informs of the recommended observations that should be taken when performing the procedure.
V961301 20261772019-04-01. Service bulletin. ELECTRICAL SYSTEM. Technical Bulletin (Keyless Entry Inoperative after Access/Start (KESSY) Module Replacement): After replacing the Access/Start (KESSY) module, the keyless entry does not work. The Access/Start (KESSY) module service parts are programmed incorrectly, resulting in a lack of functionality. This document informs of the conditions necessary to allow the software to be reprogrammed
TT 57-12-032019-04-01. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. Tech Tips (Remote Functions Inoperative and/or Faults 00955, 00956, 02660): If the remote key fob is depressed repeatedly or a button is held down while outside the remote operating range, the key remote functions may no longer operate. This document informs Before running GFF or attempting any adaptation with the scan tool, attempt to restore remote functionality by following the key synchronization procedure in this document.
Control Module R2019-04-01. Service bulletin. ELECTRICAL SYSTEM. Quick Reference Update Guide: This document informs of the corresponding software/hardware and disc availability to the customer concerns about a vehicle
TT 0117052019-04-01. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Coding information for replacement ECM to address specific fault setting after the install.
TT 90 11 012019-04-01. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Instrument cluster production mode solution, updated to include additional model and model year applicability.
On-car Analysis2019-04-01. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. On-car analysis list of customer complaints: Transmission Concerns (including clutch assembly, bevel box and Haldex)
On-car Analysis2019-04-01. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. On-car analysis list from customer complaints: Transmission Concerns (including clutch assembly, bevel box and Haldex)
TT 57 11 082019-03-11. Service bulletin. ELECTRICAL SYSTEM. Remote lock function. Update to model year applicability.
TT 91 18 182019-03-04. Service bulletin. ELECTRICAL SYSTEM:HORN; STEERING: STEERING WHEEL/HANDLE BAR; STEERING. Horn and ancillary steering wheel controls diagnosis.
analysis list 042019-01-07. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM; ELECTRICAL SYSTEM:IGNITION; STRUCTURE:BODY:DOOR. On-car analysis list of Customer Complaints: Transmission
TT 57 10 112018-12-10. Service bulletin. ELECTRICAL SYSTEM. Comfort/BCM Replacement direction, updated to include additional model year applicability.
TT 58 18 012018-12-10. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Key Battery Diagnostic Process
TT 28 18 012018-12-10. Service bulletin. ELECTRICAL SYSTEM:IGNITION; ENGINE. Waste spark description and diagnosis.
V011812-20146032018-12-03. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Update content and include additional models and model year applicability.

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