Service bulletins for the 2012 Volkswagen Passat
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.
1572 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
| TT 26-12-02 Feb | 2017-12-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Tech Tips (TDI ? AdBlue Level Reset Procedure): This document informs how to reset the AdBlue level indicator after filling. |
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| TT 26-12-02 Feb | 2017-12-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Tech Tips (TDI ? AdBlue Level Reset Procedure): This document informs how to reset the AdBlue level indicator after filling. |
| TT 87-11-03 | 2017-12-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Tech Tips (Dual Zone Climatronic ? One Zone Colder / Warmer Than the Other): For concerns of one zone with no heat or blowing colder / warmer than the other on vehicles with dual zone Climatronic this document informs of the procedure to check parts for proper installation and/or damage. |
| TT 90-11-10 | 2017-12-14. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Tech Tips (Instrument Cluster Production Mode): During PDI, or after installation of a replacement cluster, ?Pro? may be displayed in place of the odometer. The high beam indicator may be flashing in the instrument cluster as well. This indicates the cluster is in Production mode. Production mode is not the same as ?Transport? mode. This document infroms of the difference between Production, and Transport mode. |
| TT 91-13-01 | 2017-12-14. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Tech Tips (Equipped With RNS-510 Radio?Unit Start-Up and Boot-Up Operation): The navigation unit may be slow to respond at times when memory use is high. This may include boot-up time after vehicle start up or times when multiple features are in use. The operation described above is considered a product characteristic. |
| TT 96-12-03 | 2017-12-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Tech Tips (Kessy System ? Loss of 15 Power): This document informs of the procedure to perform if terminal 15 (key in run) power is lost before, during, or after any Immobilizer adaptation. |
| V011305 2031341 | 2017-12-14. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Technical Bulletin (Stored in the Engine Control Module): Production tolerance in Diagnostic Module Tank Leakage (DMTL) pump could cause a false flow reading. This document informs of production tolerance in Diagnostic Module Tank Leakage (DMTL) pump could cause a false flow reading. 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. |
| V261301 2031583 | 2017-12-14. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. Technical Bulletin (Exhaust Pressure Control issues): This document informs that water and road salt can corrode the exhaust flap shaft causing it to stick in open / closed position. The production solution to this issue was Improved parts introduced 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. |
| V691301 2029767 | 2017-12-14. Service bulletin. AIR BAGS. Technical Bulletin (Airbag Warning Lamp Illuminated in Instrument Cluster, DTC B101614 Stored in Airbag Control Module): the airbag lamp in instrument cluster may illuminate due to unfastened connector for passenger airbag warning lamp. This document informs for diagnosis purposes only. |
| V911305 2031136 | 2017-12-14. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Technical Bulletin (Update Programming RCD-510 Radio (Premium 8)): Programming contained in software level(s) for certain RCD-510 Radio (Premium 8) radios may cause Bluetooth audio quality complaints for model year 2012, and 2013. The production solution for this issue is a running software change. 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. |
| V911306 2022739 | 2017-12-14. Service bulletin. ELECTRICAL SYSTEM. Technical Bulletin (Bluetooth System Identification): This document informs how to identify the various Bluetooth systems by: ? Visual Identification ? PR Code ? Part Number |
| TT 011401 | 2017-12-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Update to existing article that addressed additional diagnostics for lean running concerns. |
| TT 011504 | 2017-12-14. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Seach tips to assist in finding DTC information |
| TT 011505 | 2017-12-14. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Tip to perform GFF feedback for test plan issues. |
| 23U4 - Dealer le | 2017-12-14. Service bulletin. ENGINE. 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. |
| TT 20-09-06 | 2017-12-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; FUEL SYSTEM, DIESEL. Tech Tips (TDI Engine - N75 Solenoid Valve Diagnosis): This document informs with graphical aid the testing of the N75 Solenoid Valve in the event of a turbocharger fault code such as P0299 or P0234. This applies to Mechanical Injection Style Diesel Engines, Pumpe Duse Style Diesel Engines and the new Common Rail Style Diesel Engines. |
| TT 45-09-03 | 2017-12-05. Service bulletin. STEERING. Tech Tips (Electro - Steering issues): If, after replacement of the steering rack, fault code 01309 008 is set in the ABS/ESP module only, follow the test plan in GFF for Driver Steering Recommendation (DSR) or channel 3 activation. If the test plan fails to clear the fault, follow the directions in this document |
| TT 57-10-11 | 2017-12-05. 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 the test plan through GFF or through Vehicle Self Diagnosis in 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. |
| V301403 2028714 | 2017-12-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Technical Bulletin (Implausible Transmission Shift Sequence Stored in the Transmission Control Module): This document informs of debris in the clutch assembly causing too much drag torque from the multiple clutch. The production solution for this issue was an updated clutch. 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. |
| V871407 2037280 | 2017-12-05. Service bulletin. ENGINE AND ENGINE COOLING. Technical Bulletin (Water /Snow in Blower Housing): Water /Snow may enter the fresh air port of the blower housing contaminating the blower. The blower motor bearings may fail and create a high pitched noise. Excess water/snow enters the water box through the drain port located in the wheel housing. Revised parts. The product solution for this issue was -New passenger side wheel liner in production CW20/2014. -New blower air intake cover and water deflector in production CW28/2014. 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. |
| 561 065 760 A as | 2017-12-05. Service bulletin. ELECTRICAL SYSTEM. Assembly Instructions: Installation of original remote start feature accessory, Volkswagen Passat. |
| TT 24-13-03 | 2017-12-05. Service bulletin. ELECTRICAL SYSTEM. Tech Tips (Engine Control Module Fault P130A ?Hide Cylinder?): This document informs that DTC P130A ?Hide Cylinder? indicates that excessive misfiring has occurred. As a result, the ECM has turned off a fuel injector to prevent catalyst damage. To address this fault, diagnose and repair all misfire concerns that are present. Repairing the other faults will resolve the P130A. |
| TT 91-13-01 | 2017-12-05. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). Tech Tips (Equipped With RNS-510 Radio?Unit Start-Up and Boot-Up Operation): The navigation unit may be slow to respond at times when memory use is high. This may include boot-up time after vehicle start up or times when multiple features are in use. Symptoms may be described as ?Locks Up?, ?Freezes?, or ?No Response?. Switching modes (i.e. broadcast radio to SAT), Rear View Camera or soft-touch keys could be affected. The operation described above is considered a product characteristic. |
| TT 92-14-02 | 2017-12-05. Service bulletin. VISIBILITY:REAR WINDOW WIPER/WASHER. Tech Tips (Washer Level Sensor issues): This document discusses approved windshield washer fluids and the damages non - approved fluids can cause. The document also informs on the procedure to Validate the washer reservoir is full with the proper washer solvent |
| TT 97-14-01 | 2017-12-05. Service bulletin. VISIBILITY:REAR WINDOW WIPER/WASHER. Washer Level Sensor issues: The indicator lamp in the I.P. for washer fluid remains illuminated and the washer reservoir is full. This documet explains thelocation of the procedure to Validate that the washer reservoir is full with the proper washer solvent |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.