2012 Volkswagen Passat Technical Service Bulletins

1,573 technical service bulletins (TSBs) are on record for the 2012 Volkswagen Passat. TSBs are notes manufacturers send to dealers about repair procedures for issues seen in the field. They are not recalls and do not by themselves mean a vehicle has a fault.

• 10123033Jul 20, 2015Fuel system, 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…
• 10144692Jul 17, 2015Equipment. On-car analysis of Customer Complaints: Customer states the oil light is on
• 10144691Jul 15, 2015Equipment. On-car analysis list Customer Complaint: Mil?on with fault code P046C, untouched vehicles
• 10123027Jul 14, 2015Electrical 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.
• 10144708Jul 13, 2015Equipment. On-car analysis list of Customer Complaint: Mil-on with fault code P046C, untouched vehicles
• 10123038Jul 10, 2015Electrical system. 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.
• 10123015Jul 7, 2015Engine cooling, Equipment. Technical Bulletin (Air Conditioning, Cleaning of the Refrigerant Circuit (U.S.Only)): In cases where an air conditioning system component (such as a compressor or other system component) has failed and debris from the compressor or component is circulated throughout the refrigerant circuit, the refrigerant circuit must be cleaned of any and all debris or damage to the replacement components will result. This…
• 10123013Jul 7, 2015Engine cooling, Equipment. Technical Bulletin (HVAC, Unpleasant Odor): Unpleasant odor is coming from Heating and Ventilation system. Odor mainly occurs after vehicle has been sitting (unused) at least 5 hours and within 20 to 60 seconds after vehicle is first started. This document contains information on how to diagnose, and service this issue.
• 10144447Jun 30, 2015Equipment, Engine cooling. On-car analysis list of Customer Complaints: Mil?on with fault code P046C, untouched vehicles
• 10134911Jun 30, 2015Fuel system. Warranty Extension for High-Pressure Fuel Pump Certain 2009-2012 Model Year Volkswagen Touareg TDI® Clean Diesel Engine Vehicles & Certain 2012 Model Year Volkswagen Passat TDI® Clean Diesel Engine Vehicles. This warranty extension covers the diagnosis and replacement of the high-pressure fuel pump only if the correct, uncontaminated fuel is present in your vehicle.
• 10130704Jun 30, 2015Fuel system. Warranty Extension for High-Pressure Fuel Pump: Volkswagen informed customers of a decision to extend the warranty for the high-pressure fuel pump (HPFP) in the TDI® Clean Diesel engine vehicle under specific conditions to 10 years or 120,000 miles, whichever occurs first, from the vehicle's original in-service date.
• 10128105Jun 29, 2015Equipment. This document contains the VW Elsa Newsletter that contains a general overview of wiring diagrams updates, technical bulletins, pending service solutions, tech tips, campaigns, updates, and suggestions.
• 10237998Jun 25, 2015Suspension, Electronic stability control. Front suspension creaking noise during suspension cycles (going over speed bumps or entering on an inclined surface).
• 10122971Jun 25, 2015Fuel system. Warranty Information (Policies and Procedures Bulletin): Volkswagen has extended the warranty for the high-pressure fuel pump (HPFP) under specific conditions to 10 years or 120,000 miles, whichever occurs first, from the vehicle's original in-service date, for certain 2009 - 2012 Model Year (MY) Volkswagen TDI® Clean Diesel Engine vehicles
• 10144446Jun 24, 2015Engine cooling. On-car analysis list of Customer Complaint: Mil?on with fault code P046C, untouched vehicles
• 10122993Jun 24, 2015Electrical system, Fuel 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.
• 10058591Jun 24, 2015Engine cooling. Volkswagen: malfunction indicator lamp (mil) is on and rough running, and fails to start on some vehicles, no root cause found, check for metallic particles in high pressure fuel pump. Model 2009-12 touareg, passat.
• 10128104Jun 22, 2015Equipment. This document contains the VW Elsa Newsletter that contains a general overview of wiring diagrams updates, ElsaPro infomedia icons grayed out, workshop equipment tool storage application, technical bulletins, pending service solutions, tech tips, campaigns, updates, and suggestions.
• 10122983Jun 19, 2015Engine cooling. Tech Tips (Air Coolant Pump Control Circuit/Open): The document discusses diagnosing for the fault code DTC P023A (Charge Air Coolant Pump Control Circuit/Open)
• 10122981Jun 19, 2015Transmission and drivetrain, Engine cooling. Tech Tips: The document discusses the conditions of when turbo can to be fixed or replaced
• 10122980Jun 19, 2015Engine cooling. Tech Tips (Coolant Leak or Repeat Coolant Leak from the Water Pump Area): The document informs to inspect for issues, and why issues may happen. It also notes how to fix the issue, and other issues that could happen while repairing the issue
• 10122979Jun 19, 2015Engine. Tech Tips (Radiator Identification Sensor): On TSI (2.0l CCTA, CBFA) equipped vehicles with fault code P2568 Direct Ozone Reduction Catalyst Temperature Sensor, this fault refers to - G611- as Radiator Identification Sensor. If the radiator requires replacement on any above listed vehicle, the -G611- will be packaged separately within the radiator packaging. The new sensor will need to be bonded to the radiator.
• 10122990Jun 15, 2015Engine, Transmission and drivetrain. 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.
• 10058635Jun 15, 2015Engine cooling. Volkswagen: on certain vehicles, the performance is lacking in engine and turbine fan shaft of turbo charger has seized or is broken and engine oil circuit should be flushed before turbocharger is replaced. Model 2012-14 passat.
• 10122982Jun 12, 2015Fuel system, Engine cooling. Tech Tips (Exhaust Gas Recirculation System Performance issues): After replacing the mass air flow sensor basic setting must be reset. This document informs of the procedure necessary to perform the reset
• 10144445Jun 11, 2015Engine cooling. On-car analysis list of Customer Complaints: Mil-on with fault code P046C, untouched vehicles
• 10150889Jun 4, 2015Engine, Electrical system. On-car analysis list of Customer Complaint: Mil?on with fault code P046C, untouched vehicles
• 10152542May 28, 2015Exterior lighting, Back-over prevention (rear camera), Interior lighting, Body…. On-car analysis list of Customer Complaints: Mil?on with fault code P046C, untouched vehicles
• 10122943May 26, 2015Visibility (wipers, defrost, mirrors). Technical Bulletin (Sunroof or Power Sunshade, Does Not Open/Close or Automatic Operation Does Not Function). This document contains Warranty information for coverage, and informs of methods to to service the issue
• 10144444May 22, 2015Engine cooling. On-car analysis list of Customer Complaint: Mil?on with fault code P046C, untouched vehicles
• 10152541May 19, 2015Exterior lighting, Interior lighting, Back-over prevention (rear camera)…. On-car analysis list of Customer Complaints: Mil?on with fault code P046C, untouched vehicles
• 10122956May 8, 2015Visibility (wipers, defrost, mirrors), 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.
• 10122947May 6, 2015Steering. Technical Bulletin (Squeaking Noises From Front Of Vehicle): Squeaking/creaking noise from front of vehicle while fully turning steering wheel. The document also gives information on servicing the issue
• 10144443May 5, 2015Engine cooling. On-car analysis list of Customer Complaints: Mil?on with fault code P046C, untouched vehicles
• 10122917Apr 15, 2015Electrical system. Technical Bulletin: This document has the fault codes to trouble shoot Intake Manifold Faults. It also contains the claim codes for warranty coverage
• 10122926Apr 10, 2015Seats. Tech Tips: Side Heated Seat May Take Longer to Heat Up and Potentially be Lower in Temperature
• 10122919Apr 10, 2015Fuel system, Electrical system, Engine. 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
• 10128064Apr 3, 2015Equipment, Fuel system. VOLKSWAGEN DEALERSHIP COMMUNICATION: Volkswagen announced a warranty extension program to cover the High Pressure Fuel Pump on 2009-2012 model year TDI Clean Diesel Engine vehicles
• 10128063Apr 3, 2015Fuel system, Equipment. VOLKSWAGEN DEALERSHIP COMMUNICATION: This document announced a warranty Volkswagen extension program to cover the High Pressure Fuel Pump on 2009-2012 model year TDI Clean Diesel Engine vehicles.
• 10122929Apr 3, 2015Suspension, Wheels. Tech Tips: This Tech Tip provides an overview of vehicle four wheel alignment, and important steps that should be followed when performing four wheel alignments
• 10122928Apr 3, 2015Steering. Tech Tips: This Tech Tip was established to explain the influence the adjustable steering column tilt position has on the steering wheel being off center and to provide information on checking for steering wheel off center
• 10121257Mar 27, 2015Exterior lighting, Equipment. Technical Bulletin: Condensation and or water droplets becomming visible on inside of exterior light lenses issue is discussed in this document
• 10121278Mar 13, 2015Equipment. Tech Tips (Test Plan to Calibrate Adaptive Cruise Control Sensors Will Not Begin notice): Notification that If the test plan to calibrate the Adaptive Cruise Control Sensors will not begin, turn off the overhead lights in the shop. The wavelengths of some shop lighting interfere with the sensors during calibration.
• 10121265Mar 12, 2015Electrical system. Technical Bulletin: Battery, Discharged, Diagnosis for Excessive Static Current Draw
• 10121262Mar 11, 2015Equipment. Technical Bulletin: Diagnosing with Damage on External Chrome or Aluminum Surfaces
• 10121266Mar 5, 2015Electrical system. Technical Bulletin: The document refers to diagnosing charging systems for issues
• 10121209Feb 27, 2015Body and structure. Tech Tips: Rattle when Closing Front Door
• 10121184Feb 23, 2015Equipment. Technical Bulletin: This document concerns the sensitivity of the washer solvent level sensor (G33) can be affected by the type, concentration, and the presence of additives in the washer solvent currently in the tank. The operation of the level sensor relies on the composition of the solvent to provide an accurate message on the solvent level. Incorrect concentration and the presence of additives can contaminate…
• 10121213Feb 20, 2015Equipment. Tech Tips: RNS-510 Radio?Unit Start-Up and Boot-Up Operation issues
• 10121192Feb 20, 2015Engine cooling. Tech Tips: Generator Charging Concern Diagnosis Tip - One Way Clutch Pulley Testing

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