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Service bulletins for the 2012 Volkswagen Jetta SportWagen

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.

1084 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
TT 90-11-102017-11-08. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Tech Tips (Instrument Cluster Production Mode): This document informs the procedure to remove the production mode setting when it is displayed in the instrument cluster.
V011518 20235912017-11-08. Service bulletin. FUEL SYSTEM, DIESEL; ELECTRICAL SYSTEM. Technical Bulletin (TDI Clean Diesel I/M (Inspection Maintenance) Testing Issues due to Readiness Not Set): A Volkswagen TDI clean diesel is not ready for I/M (Inspection Maintenance) testing due to readiness codes not being fully set. Some readiness codes on TDI clean diesel vehicles require special driving conditions to be set. This document contains how to read the OBD readiness codes to diagnosis the status of the car, and gives examples on what is necessary to have the car up to spec
V011521 20348982017-11-08. Service bulletin. ENGINE; ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE. Technical Bulletin (Exhaust Gas Recirculation Flow Insufficient Stored in ECM Fault Memory): High soot loads prior to regeneration can cause possible restrictions in the EGR filter. This document contains the procedure to update the programming on the diagnostic hardware. This document contains the fault codes necessary to check the warranty coverage for servicing this issue. The document also contains the procedure for servicing the possible causes of restrictions in the EGR filter.
V231503 20410632017-11-08. Service bulletin. ELECTRICAL SYSTEM; FUEL SYSTEM, DIESEL. Technical Bulletin (No Start, or Rough Running issues): When diagnosing the condition(No Start, or Rough Running) on a common rail diesel vehicle, if no root cause is found after checking all other components and all GFF diagnostic procedures have been performed, it may be necessary to check for metallic particles in the High Pressure Fuel Pump using the service section of this document.
TT 64-14-022017-11-08. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS; VISIBILITY:GLASS, SIDE/REAR; ELECTRICAL SYSTEM. Tech Tips (Heated Rear Window, One or More Lines Inoperative): To detect which line(s) is inoperative, utilize a volt meter to check for 0 V, which will be present after the open in the grid line. The check must be performed with the engine running and heated rear window switched on. Switch OFF the ignition and visually locate the damage.
V211504 20267712017-11-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE; FUEL SYSTEM, DIESEL. Technical Bulletin:Engine Lacks Performance, and Engine Warning Light ON issues. The document contains fault codes for trouble shooting issues, and procedures for those issues
V201502 20314262017-11-08. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM; ENGINE. Technical Bulletin (High Pressure Fuel Pump Diagnosis): Completing the GFF high pressure pump function test is essential to diagnose proper pump operation and to avoid unnecessary replacements
V241504 20381612017-11-08. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. Technical Bulletin: This document has the fault codes to trouble shoot Intake Manifold Faults. It also contains the claim codes for warranty coverage
TT 00-14-032017-11-08. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Tech Tips (SVM Update Instructions): This document informs when performing SVM updates, the scan tool should be hardwired to the vehicle and the Bluetooth physically turned off. A hard wired internet connection is also recommended.
V281401 20321162017-11-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Technical Bulletin (Incorrect Glow Plug Faults): During the initial glow phase, after switching the ignition ?On?, the ECM performs a check of the glow plugs through the glow plug control module, to ensure the correct glow plugs are installed. If the engine is cranked during this check, lowering the system voltage, the ECM may receive an incorrect reading and set incorrect glow plug faults. 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.
V011401 20286092017-11-08. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE. Technical Bulletin (Update Programming for Engine Control Module and Transmission Control Module, for Shudder and/or Slight Hesitation Concerns): The current ECM/TCM programming could be causing slight hesitation related concerns in DSG equipped vehicles. The updated software of the product solution Improved ECM/TCM software to address drivability concerns and slight hesitation complaints. 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.
V011528 20338052017-11-08. Service bulletin. ELECTRICAL SYSTEM. Technical Bulletin (Engine, Misfire Diagnostic Aid): This document informs that Multiple components SHOULD NOT be replaced for 1 misfiring cylinder. Repeat repairs must be carefully addressed to identify the root cause of the concern. If misfires are determined to be related to a specific component(s) (fuel injector, spark plug, ignition coil), replace only one defective component at a time and re-evaluate the concern
V011422 20354642017-10-31. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Technical Bulletin (Cylinder Contribution/Balance Faults): This document informs that the diagnostic strategy for zero fuel calibration too sensitive. The production solution for this issue was new Software implemented. 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.
V191401 20225492017-10-31. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Technical Bulletin (Electric Coolant Fans Continue to Run after Ignition is Switched OFF): This documentation informs it is considered normal operation for the electric coolant fans to continue to run for up to 15 minutes after the ignition is switched off in gasoline engine applications, and up to 16 minutes in diesel engine applications. The production solution to service this issue is that no production change is required.
V271502 20339782017-10-31. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Technical Bulletin: The document refers to diagnosing charging systems for issues
V271503 20160762017-10-31. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Technical Bulletin: Battery, Discharged, Diagnosis for Excessive Static Current Draw
TT 92-14-012017-10-31. Service bulletin. ELECTRICAL SYSTEM. Tech Tips: Diagnosis and operation of the washer pump for Electrical malfunction in circuit in the BCM
V011502 20340462017-10-31. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Technical Bulletin: Update Programming of ECM for Concerns of a Bump Sensation after Coming to a Stop. The document contains the Update programming procedure Software Version Management unit codes. It also contains information on where to find if the service is covered under warranty
TT 90-11-072017-10-31. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Tech Tips: Instrument Cluster Illumination
TT 57-10-152017-10-31. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. Tech Tips: Vehicles with Immobilizer with Download/Discharge? New Key Will Not Program
TT 97-14-02ss12017-10-31. Service bulletin. ELECTRICAL SYSTEM. Tech Tips Damage to Data Link Connector (DLC) from Aftermarket Devices (Cannot Communicate with Vehicle OBD System)
V281601 20373862017-10-31. Service bulletin. ELECTRICAL SYSTEM. Glow Plug Pressure Sensor Faults Stored in ECM Fault Memory: When diagnosing MIL ON with glow plug pressure sensor DTC?s it important to perform diagnosis prior to replacing the glow plug.
V281404 20373862017-10-21. Service bulletin. ELECTRICAL SYSTEM. Technical Bulletin (Glow Plug Pressure Sensor Faults): When diagnosing MIL ON with glow plug pressure sensor DTC?s it is important to perform a diagnosis prior to replacing the glow plug. This document contains the fault code interperatation after such a diagnosis. the production solution is that the codes were implementated into production. 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 57-10-112017-10-21. Service bulletin. ELECTRICAL SYSTEM. Tech Tips (Comfort Module (J393) or BCM (J519) Replacement): This document informs if a comfort or body control module is replaced during normal diagnosis, make sure the factory mode has been switched OFF. This can be accomplished by selecting guided function of either the J393 or J519 or control module OBD of J393 or J519 then selecting adaptation channel 99. Failure to deactivate factory mode will create a concern where the door locks will not lock and/or unlock with the switch and/or the remotes.
V011419 20354642017-10-21. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Technical Bulletin (Cylinder Contribution/Balance Faults): This document informs that the Diagnostic strategy for zero fuel calibration was too sensitive. The production solution for this issue was Software implemented into production. 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.

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