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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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Only bulletins with component: Ignition are shown. Show all

Bulletins, newest first
9613012024-04-15. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:IGNITION:MODULE. Keyless Entry Inoperative after Access / Start (KESSY) Module Replacement
TT9614022024-04-08. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:SENSOR; ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. Vehicles equipped with Immobilizer 4 (Download) ? Adapting Keys after Vehicle Lock Set Replacement
TT9612072024-04-08. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. Equipped With KESSY ? Key Adaptation Tip
Edition552023-09-18. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER; VEHICLE SPEED CONTROL:THROTTLE:THROTTLE POSITION SENSOR (TPS). VW Elsa Newsletter
Edition512023-09-18. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. VW Elsa Newsletter
TT6414022023-07-31. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW:ELECTRICAL HEATING ELEMENT; ELECTRICAL SYSTEM:IGNITION:SWITCH; UNKNOWN OR OTHER; ELECTRICAL SYSTEM. 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. Proceed with checking any other lines as necessary. Once the damaged line is identified, repair utilizing the Repair kit by Permatex® ITEM 09117.
9613012023-07-24. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER; ELECTRICAL SYSTEM. Keyless Entry Inoperative after Access / Start (KESSY) Module Replacement
TT5713022023-07-17. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER. If key blade is found to stick or bind when opening or closing, check position of roll pin that secures key blade to mechanism. If roll pin is sticking out on either side (as shown below), do not replace key. Instead, use appropriate sized punch and hammer to drive in the roll pin so that it is flush with edge of mechanism.
TT9612072023-06-13. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:IMMOBILIZER/PROXIMITY:KEY/SENDER; ELECTRICAL SYSTEM. All keys must be present during key adaptation. Immobilizer reader coil is ALWAYS located in the steering column. DO NOT remove Start/Stop button mounted in center console to access reader coil.
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
V261402 20189622017-12-05. 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.
TT 57-16-012017-06-15. Service bulletin. ELECTRICAL SYSTEM:IGNITION; EQUIPMENT:ELECTRICAL. DIAGNOSTIC REFERENCE CHART TO ASSIST THE TECHNICIAN IN DIAGNOSIS OF REMOTE STARTER CONCERNS.

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