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.
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By component
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Only bulletins with component: Electrical system are shown. Show all
| 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. |
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| 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. |
| 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 011504 | 2017-12-14. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Seach tips to assist in finding DTC information |
| 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. |
| 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 91-14-02 | 2017-12-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Tech Tips (MDI Functions with iPhone 5 Variants (5, 5c, 5s and iPad fourth generation, iPod Nano seventh generation)): The Apple iPhone 5, iPhone 5c, and iPhone 5s, as well as the iPad 4th generation and iPod Nano 7th generation use a proprietary ?Lightning? connector that is different than the 30-pin dock connector found on previous iPhone and iPad/iPod models. A new MDI cable (?MDI Adapter Cable ? Lightning Charger?) is now available through the VW Accessories eCatalog that is made for use with iPhone 5 variants as well as the previously mentioned iPad/iPod models. This cable should provide full functionality on any vehicle equipped with a UMI (Unified Multimedia Interface). On MY 13 and older vehicles equipped with an MDI, the software level of the MDI must be at or above SW 240 (see Technical Bulletin 2024337) in order to be fully functional. |
| Reference - Refl | 2017-12-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Quick Reference Update Guide: This document informs of the corresponding software/hardware and disc availability to the customer concerns about a vehicle |
| V261402 2018962 | 2017-12-05. Service bulletin. ELECTRICAL SYSTEM:IGNITION; ELECTRICAL SYSTEM. Technical Bulletin (TDI Common Rail High Pitch Whine Noise after Switching Ignition OFF): With the implementation of the new ?Clean Diesel Technology?, changes to the EGR system were implemented as compared to previous Diesel engines. After switching ignition OFF, the EGR system must go through an adaption of the valves to maintain calibration. These noises are considered normal and no repairs are necessary. |
| V281402 2032116 | 2017-12-05. Service bulletin. ELECTRICAL SYSTEM. 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. This check takes 2 seconds to complete. 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. |
| TT 57-11-04 | 2017-12-05. Service bulletin. ELECTRICAL SYSTEM. Tech Tips (Remote Start Operation): This document discusses how to remote start a Passat |
| V011407 2014603 | 2017-12-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Technical Bulletin This Technical Bulletin details the general process for carrying out a Software Version Management (SVM) software update for any Technical Bulletin (TSB) / Required Vehicle Update (RVU). |
| V011409 2035758 | 2017-12-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. Technical Bulletin (Knock Sensor Fault): This document informs of these sensor issues due to imperfections in the engine wiring harness. The product solution to these issues was Improvements made to engine harness. 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. |
| V211401 2036110 | 2017-12-05. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Technical Bulletin (Engine Lacks Performance, Shaft of Turbine Fan of Turbo Charger Broken or Seized): In the case of a damaged turbocharger it is important to follow the steps contained in this document to avoid repeat repairs. 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. |
| V211402 2036110 | 2017-12-05. Service bulletin. ELECTRICAL SYSTEM; ENGINE. Technical Bulletin (Engine Lacks Performance, Shaft of Turbine Fan of Turbo Charger Broken or Seized): In the case of a damaged turbocharger it is important to follow the steps contained in this document to avoid repeat repairs. 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. |
| V601401 2019568 | 2017-12-05. Service bulletin. STRUCTURE; ELECTRICAL SYSTEM. Technical Bulletin (Sunroof / Sunshade, Will Not Open): The panoramic sunroof, regular sunroof or sunshade cannot be opened. 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. |
| V691402 2029767 | 2017-12-05. Service bulletin. ELECTRICAL SYSTEM; AIR BAGS. Technical Bulletin (Airbag Warning Lamp Illuminated in Instrument Cluster): Airbag lamp in instrument cluster may illuminate due to unfastened connector for passenger airbag warning lamp. This document informs on how to diagnose that this issue is taking place |
| TT 90-11-10 | 2017-11-08. 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 2023591 | 2017-11-08. 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 |
| V201503 2031426 | 2017-11-08. Service bulletin. ELECTRICAL SYSTEM; ENGINE; FUEL SYSTEM, GASOLINE. 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. 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. |
| V261505 2041110 | 2017-11-08. Service bulletin. ELECTRICAL SYSTEM. Technical Bulletin (Selective Catalyst Reduction (SCR) heater electronics being ) contaminated with Ad Blue): This document informs what repairs are needed to fix the issue. This document contains the fault codes necessary to check the warranty coverage for servicing this issue. |
| V231502 2041057 | 2017-11-08. Service bulletin. FUEL SYSTEM, DIESEL; ELECTRICAL SYSTEM. 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 64-14-02 | 2017-11-08. 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. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.