2008 Volkswagen Passat Technical Service Bulletins

622 technical service bulletins (TSBs) are on record for the 2008 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.

• 10120327Sep 8, 2014Engine cooling. Technical Bulletin (Intake Manifold Fault issues): This document informs of Intake Manifold issues that are recognized in the ECM fault memory. The Production Solution to this issue was an improved intake manifold design. 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.
• 10252942Sep 5, 2014Equipment. Damage to Data Link Connector (DLC) from Aftermarket Devices (Cannot Communicate with Vehicle OBD System)
• 10237766Sep 5, 2014Electrical system. The DLC is intended for use with diagnostic scan tools and by emissions testing stations. However, aftermarket devices (i.e., drive data recorders) that connect to the DLC have now become available.
• 10239819Sep 4, 2014Electrical system. MIL ON, DTCs P2014 or P2015 Intake Manifold Faults Stored in ECM Fault Memory
• 10120328Sep 4, 2014Engine cooling. Technical Bulletin (Intake Manifold issues): This document informs of a failure of Intake manifold causing fault codes to be stored in the ECM. The fault codes are written in the document. The product solution for this issue an Improved intake manifold design. This document discusses the "Fault Codes" necessary to diagnosis, and potential remedy of the issue. The fault codes for checking warranty coverage for…
• 10241340Sep 2, 2014Engine. Engine Oils Which Meet Volkswagen Oil Quality Standard VW 502 00/505 00/505 01 and VW 504 00/507 00
• 10120329Sep 2, 2014Engine. Technical Bulletin (Engine Oils Which Meet Volkswagen Oil Quality Standard): This document informs of a sample list of products generally available in the North American market that meet the Volkswagen Oil Quality Standard
• 10238954Aug 29, 2014Fuel system, Engine cooling. Use the diagram below to test 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.
• 10238565Aug 29, 2014Engine. 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.
• 10124481Aug 29, 2014Engine cooling. Tech Tips 92006-2014 Vehicles with 2.0T Gasoline Engine - N75 Solenoid Valve Diagnosis): When diagnosis on the above engine leads to the testing of the N75, please refer this document with graphical aid. The diagram shows which vacuum ports on the N75 valve should hold vacuum and which ones should not. Turbocharger fault codes P0299 and P0234 can be diagnosed using this test.
• 10120284Aug 29, 2014Electrical system. Quick Reference Update Guide: This document informs of the corresponding software/hardware and disc availability to the customer concerns about a vehicle
• 10241339Aug 22, 2014Engine cooling, Engine. Oil Consumption Measurement
• 10124480Aug 22, 2014Steering. 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
• 10124479Aug 22, 2014Electrical 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…
• 10124454Aug 1, 2014Electrical system. Assembly Instructions: Installation of original remote start feature accessory, Volkswagen Passat.
• 10238600Jul 4, 2014Transmission and drivetrain. Incorrect torque converter or flywheel/flexplate installation can result in transmission damage. When installing an engine, flywheel or transmission, please follow the installation procedures outlined in ELSA. For the flywheel/flexplate, please be certain the correct shim is installed between it and the crankshaft (reference VWIQ120). When installing a torque converter, press the torque converter hub through the…
• 10120207Jul 4, 2014Transmission and drivetrain. Tech Tips (Torque Converter/Flywheel/Flexplate installation): Incorrect torque converter or flywheel/flexplate installation can result in transmission damage. When installing an engine, flywheel or transmission, please follow the installation procedures outlined in ELSA. This document also contains advice on the installation of these devices
• 10238972Jun 6, 2014Tires, Wheels. The use of tire dressing gives your tires that shiny finish that completes the image of a clean (new) vehicle. There are many different tire dressing products available. When choosing a product please pay close attention to its contents. Always use a water based product.
• 10120155Jun 6, 2014Wheels, Tires. Tech Tips (All vehicles-Tire dressing for vehicle detailing): The use of tire dressing gives your tires that shiny finish that completes the image of a clean (new) vehicle. This document informs that The use of non-water based products will increase the risk of causing damage to painted surfaces. The document also gives graphical examples of the dame that can occur if non-water based products are used.
• 10253215Jun 4, 2014Exterior lighting, Other or unknown. Exterior Lights, Moisture Accumulation
• 10239592Jun 4, 2014Exterior lighting. Exterior Lights, Moisture Accumulation
• 10120169Jun 4, 2014Exterior lighting, Equipment. Technical Bulletin (Exterior Lights, Moisture Accumulation): This document informs of the Condensation and or water droplets visible on inside of exterior light lenses. The document also informs how to service the issue.
• 10238951May 30, 2014Brakes. If you have a complaint of DTCs for the low side fuel pressure being out of specification (e.g. P310B), check the fuel pressure with BOTH a mechanical gauge and by the display in Measured Value Block 103. The readings should be 1 bar higher in the MVB due to reading atmospheric pressure + fuel pressure. If the mechanical gauge reading is within specification BUT the MVB 103 reading is not 1 bar higher, check for a…
• 10124419May 30, 2014Engine. Tech Tips (2.0L FSI (BPY) Engines - Low Fuel Pressure DTCs (P310B)): This document informs on how to check fuel pressure If you have a complaint of DTCs for the low side fuel pressure being out of specification
• 10124417May 23, 2014Electrical 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.
• 10239209May 5, 2014Equipment. Quick Reference Update Guide
• 10124367Apr 29, 2014Electrical system. Quick Reference Update Guide: This document informs of the corresponding software/hardware and disc availability to the customer concerns about a vehicle
• 10239534Apr 18, 2014Visibility (wipers, defrost, mirrors). HVAC, Unpleasant Odor
• 10124340Apr 18, 2014Equipment. Technical Bulletin (HVAC, Unpleasant Odor): Condensation, which is a normal condition in all A/C systems, can cause a musty odor. If the odor is noticeable in the vehicle when the engine is not turned on, the cause may be mold and mildew in the passenger compartment, and not be related to the A/C system. All other possible sources of the odor must be investigated before this document can be performed. This document…
• 10241266Apr 10, 2014Equipment. Squeaks, Rattles, Noise, Repair Materials
• 10124348Apr 10, 2014Equipment. Technical Bulletin (Squeaks, Rattles, Noise, Repair Materials): This doucment contains a list of components and applications developed to repair concerns of squeaks, rattles, noise and trim fit conditions.
• 10239270Apr 1, 2014Equipment. Volkswagen Warranty Policies and Procedures ? April 2014
• 10239533Mar 27, 2014Visibility (wipers, defrost, mirrors). HVAC, Unpleasant Odor
• 10124289Mar 27, 2014Equipment. 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. Condensation is a normal characteristic in all A/C systems. If odor is noticeable continue to follow this document. Contaminants are effectively neutralized using the…
• 10241311Mar 26, 2014Engine cooling. Gasoline Quality
• 10124302Mar 26, 2014Engine. Technical Bulletin The use of contaminated gasoline, seasonal fuel changes (summer/winter fuel) or gasoline with a low content of deposit control additives may result in one or more of the following conditions: -Excessive accumulation of deposits on intake valves, intake manifold, fuel injectors and combustion chambers. -Engine runs rough after cold start. -Excessive engine cranking time. -Stumbles while driving…
• 10241342Mar 25, 2014Electrical system, Engine cooling. Electric Coolant Fans Continue to Run after Ignition is OFF
• 10241310Mar 18, 2014Electrical system, Other or unknown. Software Version Management
• 10124303Mar 18, 2014Electrical system. 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).
• 10253214Mar 8, 2014Other or unknown, Exterior lighting. Exterior Lights, Moisture Accumulation
• 10239591Mar 6, 2014Exterior lighting. Exterior Lights, Moisture Accumulation
• 10124287Mar 6, 2014Exterior lighting. Technical Bulletin (Exterior Lights, Moisture Accumulation): Exterior light assemblies (headlights, taillights, fog lights, turn signals) are vented and may collect moisture on their inner surfaces, depending on humidity and other climatic changes. This document discusses necessary to diagnosis, and potential remedy of the issue.
• 10243008Mar 3, 2014Engine cooling, Electrical system. VW Elsa Newsletter
• 10241264Feb 25, 2014Engine cooling, Fuel system. Fuel Additive to Help Prevent Sporadic Misfire Faults
• 10239202Feb 25, 2014Other or unknown. Quick Reference Update Guide
• 10252937Feb 14, 2014Electrical system. Vehicles equipped with Immobilizer 4 (Download) ? Adapting Keys after Vehicle Lock Set Replacement
• 10237761Feb 14, 2014Electrical system, Equipment. When replacing the complete vehicle lock set (all vehicle keys and lock cylinders) for any reason, be aware that the ?Adapt keys? test plan will not allow the new keys to adapt to the vehicle. Instead, perform the test plan for ?New identity?. During this test plan, make the appropriate selection to indicate only the lock set has been replaced, as shown below in figures 1 and 2.
• 10241265Jan 27, 2014Engine cooling, Fuel system. Fuel Additive to Help Prevent Sporadic Misfire Faults
• 10239789Jan 24, 2014Electrical system, Visibility (wipers, defrost, mirrors), Other or unknown. 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…
• 10238937Jan 24, 2014Transmission and drivetrain, Engine cooling. Install a vacuum gauge on the dipstick tube and check crankcase vacuum at idle. Compare to a known good vehicle. If the vacuum reading is lower than the comparison vehicle, visually inspect for oil leaks between the engine and the transmission. Smoke test the crankcase by connecting the EVAP smoke machine to the dipstick tube and inspect for leaks at the rear main seal (this will limit pressure to 2 PSI). DO NOT…

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