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Service bulletins for the 2008 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.

642 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
V271503 20160762017-10-31. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Technical Bulletin: Battery, Discharged, Diagnosis for Excessive Static Current Draw
V241501 20381612017-10-31. Service bulletin. ELECTRICAL SYSTEM. Technical Bulletin (P2014 or P2015 Intake Manifold Faults Stored in ECM Fault Memory ): Document discusses diagnosis Codes necessary to diagnosis, and potential remedy of issue. The diagnosis codes for checking warranty coverage for servicing the vehicle are also available
V271501 20118942017-10-31. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Technical Bulletin: Battery, Testing and Charging Using Midtronics VAS6161, MCR340V, InCharge 940, or GRX3000VAS Charger
TT 57-10-152017-10-31. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. Tech Tips: Vehicles with Immobilizer with Download/Discharge? New Key Will Not Program
TT 97-14-02ss12017-10-31. Service bulletin. ELECTRICAL SYSTEM. Tech Tips Damage to Data Link Connector (DLC) from Aftermarket Devices (Cannot Communicate with Vehicle OBD System)
V191601 20225492017-10-31. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING. Tech Bullentin concerning Electric Coolant Fans that Continue to Run after Ignition is Switched OFF
Quick Reference2017-10-21. 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
TT 57-10-112017-10-21. 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 guided function of either the J393 or J519 or control module OBD of J393 or J519 then selecting 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.
V011606_20146032017-06-27. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. UPDATE TECHNICAL BULLETIN TO INCLUDE ALL MODELS FOR 2015, 2016, 2017 MODEL YEAR APPLICABILITY.
V011613_20338052017-06-22. Service bulletin. ELECTRICAL SYSTEM; ENGINE. "ENGINE, MISFIRE DIAGNOSTIC AID THE MIL IS FLASHING OR ILLUMINATED."
V011612_20186522017-06-15. Service bulletin. ELECTRICAL SYSTEM:WIRING; ENGINE. 2006-2008 WITH 2.0L (BPY) UPDATE SERVICE NUMBER IN WARRANTY TABLE. 2008-2009 ALL MODELS WITH 2.0L (CCTA,CBFA) UPDATE SERVICE NUMBER IN WARRANTY TABLE.
20128102016-06-09. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
20128102016-06-09. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
TB-01-11-302012-03-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE AND ENGINE COOLING:ENGINE; ELECTRICAL SYSTEM:SOFTWARE. VOLKSWAGEN: ON CERTAIN MODEL YEAR VEHICLES, EXPERIENCING HARSH UP/DOWN SHIFT IN GEARS 1-2, 2-3 OR 3-2, 2-1. ESPECIALLY DURING TEMPERATURES BELOW 60 C (140 F). PROGRAMMING SOFTWARE UPDATE IS PROVIDED FOR ECM, TCM AND VALVE BODY REPLACEMENT. *PE
TB-80-10-032011-02-10. Service bulletin. UNKNOWN OR OTHER; ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. VOLKSWAGEN: HVAC BLOWER ONLY OPERATES ON HIGH SPEED (US ONLY). FRESH AIR BLOWER RUNS ONLY AT HIGHEST LEVEL. BECAUSE OF PERMANENT FROST AND SNOWFALL FINE SNOW CAN GET INTO THE FRESH AIR BLOWER VIA THE AIR INTAKE. *PE
SA-97R72010-11-08. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES. VOLKSWAGEN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. INSPECT, AND IF NECESSARY, REPLACE POSITIVE BATTERY CABLE. VEHICLES AFFECTED BY THIS ACTION MAY HAVE A POSITIVE BATTERY CABLE THAT MAY CORRODE AND, IN RARE CASES, BREAK. IF THIS HAPPENS, THE POWER SUPPLY MAY BE DISRUPTED AND THE VEHICLE CANNOT BE STARTED. *PE UPDATED ON 5/2/2012. *KB
SB-97P4-Y52009-10-06. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES. VOLKSWAGEN: THIS IS TO INFORM YOU OF THE RELEASE OF A NEW REQUIRED VEHICLE UPDATE. CHECK AND, IF NECESSARY, REPLACE POSITIVE BATTERY CABLE. MODELS PASSAT, PASSAT WAGON, PASSAT CC. *PE
TB-27-09-012009-08-04. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES; ELECTRICAL SYSTEM:12V/24V/48V BATTERY. VOLKSWAGEN: THE POSITIVE BATTERY CABLE ON PASSAT VEHICLES WITH V6 ENGINE MAY CORRODE AND IN INDIVIDUAL CASES BREAK. AS A RESULT, THE POWER SUPPLY MAY BE DISRUPTED AND E.G. THE VEHICLE CANNOT BE STARTED. *PE
TB-27+09-012009-06-13. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES. VOLKSWAGEN: THE POSITIVE BATTERY CABLE ON VEHICLES MAY CORRODE AND IN INDIVIDUAL CASES BREAK. AS A RESULT, THE POWER SUPPLY MAY BE DISRUPTED AND E.G. THE VEHICLE CANNOT BE STARTED. *PE

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