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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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Bulletins, newest first
V011319 20286252017-12-14. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE. Technical Bulletin (Brake Electronics issues): This software update is designed to re-program both the ECM and TCM with new software. The re-programming itself should carry out the updates without technician intervention.
V171302 20178132017-12-14. Service bulletin. ENGINE AND ENGINE COOLING. Technical Bulletin (Oil Consumption Measurement): Customer states oil consumption is higher than the Volkswagen oil consumption standard of up to 0.5 quarts per 600 miles, or 0.5 liters per 1000 km. In order to provide effective lubrication and cooling of internal engine components, all internal combustion engines consume a certain amount of engine oil. Oil consumption varies from engine to engine and may change significantly over the life of the engine. Typically, engines with specified break-in periods consume more oil during the break-in period, and the oil consumption will stabilize after the break-in period. This document informs of oil consumption tests to check a vehicles performance.
V201306 20340722017-12-14. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Technical Bulletin Activated Charcoal Filter System, Solenoid Valve 1 -N80- (Canister Purge Valve) Diagnosis): Completing the GFF function test and performing a vacuum check on the Canister Purge Valve -N80- are essential to diagnose proper operation and to avoid unnecessary replacements. This document informs how to perform the Diagnosis check
V341301 20344062017-12-14. Service bulletin. POWER TRAIN. Technical Bulletin (Manual Transmission Noise Diagnosing): Customer states there is a noise from the clutch, transmission or driveline components under varying driving conditions with varying sound levels. This document informs the dealer to follow specific diagnostic steps to assess the condition a vehicle
V481303 20303532017-12-14. Service bulletin. STEERING. Technical Bulletin (Poor Power Steering Assistance): This document informs of Voltage drop in power steering control unit (J500) at start up or during steering operation leading to Poor Power Steering Assistance. The production solution to this issue is improved software. 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.
V661301 20271192017-12-14. Service bulletin. STRUCTURE. Technical Bulletin (Damage on External Chrome or Aluminum Surfaces) The surfaces of chrome parts can get damaged in the production process or by external influences. This document discusses options for repairs covered under warranty, and methods to prevent damage.
23U3 - Circular2017-12-14. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. 2.0L TDI Engine (GEN 1) Emissions Modification - Customer Only (Retail Sold) USA ONLY - The Environmental Protection Agency and California Air Resources Board have determined that Volkswagen vehicles equipped with a 2.0L 4-cylinder TDI engine do not comply with applicable emissions regulations. The emissions control systems on the vehicles will not control emissions under off-cycle conditions as effectively as during the federal test procedure. The extent of the emissions increase under off-cycle conditions depends upon how the vehicles are driven.
23U3 - Circular2017-12-14. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. 2.0L TDI Engine (GEN 1) Emissions Modification - Customer Only (Retail Sold) USA ONLY - The Environmental Protection Agency and California Air Resources Board have determined that Volkswagen vehicles equipped with a 2.0L 4-cylinder TDI engine do not comply with applicable emissions regulations. The emissions control systems on the vehicles will not control emissions under off-cycle conditions as effectively as during the federal test procedure. The extent of the emissions increase under off-cycle conditions depends upon how the vehicles are driven. - Revision Summary Updated LOANER claiming instructions.
23U3 - Circular2017-12-14. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. 2.0L TDI Engine (GEN 1) Emissions Modification - Customer Only (Retail Sold) USA ONLY - The Environmental Protection Agency and California Air Resources Board have determined that Volkswagen vehicles equipped with a 2.0L 4-cylinder TDI engine do not comply with applicable emissions regulations. The emissions control systems on the vehicles will not control emissions under off-cycle conditions as effectively as during the federal test procedure. The extent of the emissions increase under off-cycle conditions depends upon how the vehicles are driven. - Updated Saga claiming instructions for glow plug control module.
23U3 - Circular2017-12-14. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; ENGINE AND ENGINE COOLING. 2.0L TDI Engine (GEN 1) Emissions Modification - Customer Only (Retail Sold) USA ONLY - The Environmental Protection Agency and California Air Resources Board have determined that Volkswagen vehicles equipped with a 2.0L 4-cylinder TDI engine do not comply with applicable emissions regulations. The emissions control systems on the vehicles will not control emissions under off-cycle conditions as effectively as during the federal test procedure. The extent of the emissions increase under off-cycle conditions depends upon how the vehicles are driven. Updated loaner/rental and label placement instructions.
24CV - Circular2017-12-14. Service bulletin. ENGINE AND ENGINE COOLING. Inlet Air Box Housing Snow Flap Replacement & Oxygen Sensor Inspection/Replacement. The snow flap in the inlet air box housing may remain partially to fully open. Should this occur, excess warm air could enter the air intake through the snow flap inlet. The oxygen sensor will be checked during this service and, if measured degradation tolerances are met, the sensor will be replaced.
24CV - Circular2017-12-14. Service bulletin. ENGINE AND ENGINE COOLING. Inlet Air Box Housing Snow Flap Replacement & Oxygen Sensor Inspection/Replacement. The snow flap in the inlet air box housing may remain partially to fully open. Should this occur, excess warm air could enter the air intake through the snow flap inlet. The oxygen sensor will be checked during this service and, if measured degradation tolerances are met, the sensor will be replaced. Updated measuring value range for Heated Oxygen Sensor -G39- replacement in work procedure.
24CV - Circular2017-12-14. Service bulletin. ENGINE AND ENGINE COOLING. Inlet Air Box Housing Snow Flap Replacement & Oxygen Sensor Inspection/Replacement. The snow flap in the inlet air box housing may remain partially to fully open. Should this occur, excess warm air could enter the air intake through the snow flap inlet. The oxygen sensor will be checked during this service and, if measured degradation tolerances are met, the sensor will be replaced. Updated work procedure and claiming instructions. Included new ODIS test plans, and 2009 MY work and claiming instructions.
24CV - Dealer Co2017-12-14. Service bulletin. ENGINE AND ENGINE COOLING. Inlet Air Box Housing Snow Flap Replacement & Oxygen Sensor Inspection/Replacement. The snow flap in the inlet air box housing may remain partially to fully open. Should this occur, excess warm air could enter the air intake through the snow flap inlet. The oxygen sensor will be checked during this service and, if measured degradation tolerances are met, the sensor will be replaced.
ODIS Service Dia2017-12-14. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Download ODIS Service Diagnostic Version for 24CV recall.
V241708 20451382017-12-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Update information regarding Top Tier brochure.
TT 0017012017-12-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Tip to reinforce dealer scan tool update importance in regards to 24CV campaign.
TT 0115032017-12-14. Service bulletin. FUEL SYSTEM, GASOLINE. Update to expand fuel testing for lean DTCS.
TT 0117082017-12-14. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Precautionary steps to Error Code ERP0203E when performing campaign 23U3.
TT 2009012017-12-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Update to existing tip for fuel quality checking.
TT 2617042017-12-14. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Tips to address specific DTCs that can result from an exhaust leak.
TT 8711012017-12-14. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. Directions to assist in performing basic settings for the ac control module and include model year 2017 applicability.
V201702 20340722017-12-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Updated to include an additional diagnostic trouble code (P04F0)
VSS 17-062017-12-14. Service bulletin. SUSPENSION. Notification of the 2.0l Gen 1, TDI remediation fix monitoring via the VTA system, in alignment with campaigns 23U3.
VSS 17-082017-12-14. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. VSS 17-08 - TDI Monitoring Program - Campaigns 23Q3/23U4/23U3 2.0L Emissions Modification - Gen I, Gen II and Gen III.

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