WenmarOpen by Wenmar Pro

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

Bulletins, newest first
TT2612022023-07-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. AdBlue Level Reset Procedure
TT2611012023-07-05. Service bulletin. FUEL SYSTEM, GASOLINE; ENGINE AND ENGINE COOLING. 2012-2013 Passat does not have measured value block numbers. Check values ?Particle filter, kilometers since last regeneration?, ?Particle filter, oil ash volume?, ?Particle filter, soot mass calculated?, and ?Particle filter, soot mass measured? instead.
TT2413032023-07-05. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). When diagnosing a vehicle concern, and fault P130A ?Hide Cylinder? is found in the Engine Control Module (ECM), be aware that Engine Control Module (ECM) fault P130A ?Hide Cylinder? indicates a cylinder shut down and does not require diagnosis.
TT24071032023-07-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM). When diagnosing fault code P2279-Leaking Air in Intake System, be sure to check the cam timing first.
TT2314012023-07-05. Service bulletin. FUEL SYSTEM, GASOLINE. When replacing or adapting fuel injectors, if there is no Guided Functions Test Plan, utilize the following :UDS vehicles: Go to Guided Functions / Adapting Injector Quantity Adjustment correct values (IMA-IVA).
TT2310022023-07-05. Service bulletin. FUEL SYSTEM, GASOLINE. When replacing fuel system components on the Common Rail TDI engine (including the fuel filter), the fuel system must be primed.
TT2113012023-07-05. Service bulletin. PARKING BRAKE. If mechanical damage is found to the turbocharger (e.g. damaged compression wheel, loose or broken shaft), it is not enough to just replace the turbocharger.
TT2110012023-07-05. Service bulletin. ENGINE. When diagnosis on the above engine leads to the testing of the N75, please refer to the picture below. The diagram shows which vacuum ports on the N75 valve should hold vacuum and which ones should not.
TB4013012023-06-26. Service bulletin. STRUCTURE. Recommended procedure for removing damaged CV boot.
TB4014012023-06-26. Service bulletin. STRUCTURE. CV boot damage identified.
TB5514032023-06-26. Service bulletin. FUEL SYSTEM, GASOLINE. Fuel door binding due to excess material inside of fuel door housing.
TB5513022023-06-26. Service bulletin. FUEL SYSTEM, GASOLINE. Fuel Door Sticks or is Difficult to Open
TB4814052023-06-26. Service bulletin. STEERING. Update Programming Electromechanical Steering Gear
TB4813032023-06-26. Service bulletin. ELECTRICAL SYSTEM; STEERING. Poor Power Steering Assistance, DTCs 16344 014, 16353 014, 16355 014, 02614 014 Stored in Power Steering Control Module J500
TB4813022023-06-26. Service bulletin. ELECTRICAL SYSTEM; STEERING. Poor Power Steering Assistance, DTCs 16344 014, 16353 014, 16355 014, 02614 014 Stored in Power Steering Control Module J500
TB4614032023-06-26. Service bulletin. SERVICE BRAKES. Brake Disc Pulsation or Vibration (U.S. Only)
TB4614022023-06-26. Service bulletin. SERVICE BRAKES. Brake Disc Pulsation or Vibration
TB4613032023-06-26. Service bulletin. SERVICE BRAKES. Brake Disc, Pulsation, All Vehicles except Routan (U.S. Only)
TB4613022023-06-26. Service bulletin. SERVICE BRAKES. Brake Disc, Pulsation, All Vehicles except Routan (U.S. Only)
TB4613012023-06-26. Service bulletin. SERVICE BRAKES. Vibration or noise when braking may be due to brake disc corrosion protection which has not been completely removed by normal braking, or surface rust built up during transportation.
TB4414032023-06-26. Service bulletin. SERVICE BRAKES. Vibration or noise when braking may be due to brake disc corrosion protection which has not been completely removed by normal braking, or surface rust built up during transportation.
TB4413042023-06-26. Service bulletin. STEERING; WHEELS; SUSPENSION. Four Wheel Alignment Overview, Steering Wheel off Center, Vehicle Drift/Pull
TB4413032023-06-26. Service bulletin. WHEELS; STEERING; SUSPENSION. Four Wheel Alignment Overview, Steering Wheel off Center, Vehicle Drift/Pull
TB4413022023-06-26. Service bulletin. WHEELS; SUSPENSION. This Technical Bulletin provides an overview for performing vehicle four Wheel Alignment, and information on improving vehicle drift/pull using selective tire placement. The information provided is based on the Hunter alignment equipment, Hunter GSP9700 with StraighTrak (VAS 6230x ) and John Bean RFV2000 with OptiLine (VAS 6311A) diagnostic balancer. The alignment information provided in this bulletin is not limited to the Hunter alignment equipment, and still applies with the use of other Volkswagen approved alignment equipment. The diagnostic procedure for selective tire placement, to improve vehicle drift/pull, will require the use of one of the diagnostic balancers previously mentioned.
TB4413012023-06-26. Service bulletin. WHEELS. This Technical Bulletin provides an overview for performing vehicle four Wheel Alignment and information on improving vehicle pull/drift using selective tire placement. The information provided is based on the Hunter alignment equipment and the Hunter GSP9700 balancer with StraightTrak. The general information provided in the bulletin, such as alignment terminologies, warranty information and Vehicle drift/pull diagnosis is not dependent on the alignment equipment and still applies with the use of other alignment equipment.

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