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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: Engine are shown. Show all

Bulletins, newest first
V191303 20225492019-04-01. Service bulletin. ENGINE AND ENGINE COOLING. Technical Bulletin (Electric Coolant Fans Continue to Run after Ignition is Switched OFF): This document 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.
V171303 20178132019-04-01. Service bulletin. ENGINE. Technical Bulletin (Oil Consumption Measurement): Customers have stated 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. This document informs how to test the oil consumption rate
V011333 20348982019-04-01. Service bulletin. ENGINE AND ENGINE COOLING. Technical Bulletin (Exhaust Gas Recirculation Flow Insufficient issues): This document informs that high soot loads prior to regeneration can cause possible restrictions in the EGR filter. The production solution to this issue is New software being implemented in current production.
TT 26-13-032019-04-01. Service bulletin. FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING. Tech Tips (CBEA, CJAA, CKRA engine codes DPF replacement and/or DTCS P2413, P2463): This document informs of the use of aftermarket air filters such as cotton bed steel mesh or cone style, can cause the MAF sensor to not read accurately, affecting vehicle performance and critical monitoring functions for the diesel particulate filter. This can also result in premature DPF failure. Only use factory air filters. The use of aftermarket air filters is not supported as the system was designed and calibrated to work with factory air filters.
TT 19-13-022019-04-01. Service bulletin. ENGINE AND ENGINE COOLING. Tech Tips (2.0L CCTA/CBFA Coolant Leak or Repeat Coolant Leak from the Water Pump Area): This document informs of the observations that need to be taken to service a water pump replacement
V261305 20315832019-04-01. Service bulletin. ENGINE AND ENGINE COOLING. Technical Bulletin (Exhaust Pressure Control Valve issues): This document informs of the diagnostic issues resulting from malfunctions of the Exhaust Pressure Control Valve. If one or more of the faults are stored in the ECM fault memory, remove the exhaust flap to check for a sticking condition. If the flap cannot be moved or does not move freely, the exhaust flap must be replaced. 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.
V011330 20348982019-04-01. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). Technical Bulletin (Exhaust Gas Recirculation Flow Insufficient Stored in ECM Fault Memory, Could be Accompanied with Fault P2463 DPF Soot Accumulation): High soot loads prior to regeneration can cause possible restrictions in the EGR filter. This production solution to this issue is new software implemented in current production.
V211301 20254642019-04-01. Service bulletin. ENGINE AND ENGINE COOLING. Technical Bulletin (Frozen Charge Air Cooler ? Engine Will Not Start): Engines will not start after standing in cold weather below 0°C (32°F), MIL may be illuminated with various induction and/or boost system faults stored in ECM. Moisture from the intake air condenses and collects in the charge air cooler. At cold temperatures this moisture can freeze causing blockage of the intake air system. This document informs how to Install a revised charge air cooler kit P/N 1K0 198 803B to avoid the formation of this moisture in the boost system.
TT 24-07-1032019-04-01. Service bulletin. ENGINE. Tech Tips (Vehicles with 2.5L Engine - Fault Code P2279 (Leaking Air in Intake System) Diagnostic Tip): When diagnosing fault code P2279-Leaking Air in Intake System, be sure to check the cam timing first. This document informs how to check the cam timing
TT 0117052019-04-01. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Coding information for replacement ECM to address specific fault setting after the install.
VWP-18-07-2019012019-03-11. Service bulletin. ENGINE. This Document was revised to include information on when the replacement engine contains a Timing Chain or Timing Chain Tensioner. Also includes the CPPA engine code labor operation and time units.
VWC-18-12-2019012019-03-11. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL; EQUIPMENT. This Document informs dealers that 2.0L TDI Gen 1, Gen 2 and Gen 3 Customer Vehicles are no longer eligible for the Pre-existing MIL-On Condition.
Vehicle Maintena2019-03-11. Service bulletin. EQUIPMENT; ENGINE. The Vehicle Maintenance Declaration has been added back to WISE for the Timing Chain Warranty Extension.
VWC-18-122019-03-04. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. This Document informs dealers that 2.0L TDI Gen 1 and Gen 3 Customer Vehicles are no longer eligible for the Pre-existing MIL-On Condition.
TT 15 18 012019-03-04. Service bulletin. ENGINE; EQUIPMENT. Balance shaft direction for debris issues.
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
V011813-20348982018-12-10. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). Update parts table.
TT 21 18 012018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER; FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS. Incorrect removal of Turbocharger oil feed line may cause engine damage
TT 10 12 012018-12-10. Service bulletin. ENGINE. Engine replacement tip
Final Months of2018-12-10. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. Email_Important TDI Announcement - Final Months of 2.0L Claims Program_VW
TT 28 18 012018-12-10. Service bulletin. ELECTRICAL SYSTEM:IGNITION; ENGINE. Waste spark description and diagnosis.
VWP-18-072018-12-03. Service bulletin. ENGINE. This Document informs dealers on the Revised VWP-18-07. New info on coverage for consequential damages
VWP-18-07 2018102018-12-03. Service bulletin. ENGINE. This Document informs dealers on the Revised VWP-18-07. New info on 10% maintenance intervals
TT 19 18 012018-12-03. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM; ENGINE. Alternate diagnostic process for overheating.
TT 10 18 012018-12-03. Service bulletin. ENGINE. Diagnostic protocol for engine noise with cam timing faults

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