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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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By component

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Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
V011337 20128102019-04-01. Service bulletin. POWER TRAIN. Technical Bulletin (ECM, TCM Software Update and Valve Body Replacement for Harsh Up - Down Shift from Transmission when Cold): Customer may experience harsh up shift in gears 1-2 and 2-3, or harsh down shift in gears 3-2 and 2-1. The symptom is most noticeable at transmission temperatures below 60°C (140°F). No DTCs are stored in the TCM or the ECM for this complaint. The production solution for this issue was updated transmission valve body, ECM and TCM software. 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.
V011336 20128102019-04-01. Service bulletin. POWER TRAIN. Technical Bulletin (ECM, TCM Software Update and Valve Body Replacement for Harsh Up - Down Shift from Transmission when Cold): Customer may experience harsh up shift in gears 1-2 and 2-3, or harsh down shift in gears 3-2 and 2-1. The symptom is most noticeable at transmission temperatures below 60°C (140°F). The production solution for this issue was an updated transmission valve body, ECM and TCM software. The updated ECM and TCM software and updated transmission valve body addresses: ? Harsh Up/Down Shift 1-2-3, 3-2-1. 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.
TT 21-10-022017-11-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; POWER TRAIN. Tech Tips: The document discusses the conditions of when turbo can to be fixed or replaced
TT 01-14-012017-10-31. Service bulletin. POWER TRAIN. Tech Tips (Lean Fuel Trim Readings): This document informs to recheck the crankcase vacuum at idle. If low, check for additional oil leaks and verify crankcase breather operation (repairing as necessary). Erase the faults and road test 10 miles to recheck operation.
TT 32-14-012017-10-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. 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
TT 13-16-012017-06-24. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. REMINDER TO FOLLOW THE CORRECT REPAIR PROCEDURE OF PILOT BEARING REPLACEMENT, WHEN REMOVING AND RE-INSTALLING THE DSG TRANSMISSION
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-35-11-012011-09-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; STEERING:GEAR BOX (OTHER THAN RACK AND PINION). VOLKSWAGEN: THE GEAR BOX HAS A MOMENTARILY DELAY WHILE ACCELERATING. *RM
VWP-10-062011-06-06. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. VOLKSWAGEN: WARRANTY INFORMATION FOR TH E TRANSMISSION VALVE BODY. *RM
CSC-37E6/S82011-04-25. Service bulletin. POWER TRAIN:CLUTCH ASSEMBLY. VOLKSWAGEN SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. IN SOME VEHICLES IT IS POSSIBLE THAT A BUSHING INSIDE THE MECHATRONIC UNIT HAS THE POTENTIAL TO WEAR OUT PREMATURELY, CAUSING THE CLUTCHES INSIDE THE TRANSMISSION TO OPERATE LESS SMOOTHLY THAN BEFORE. THE DRIVER WILL BEGIN TO NOTICE CHANGES IN THE WAY THE VEHICLE FEELS AS THE TRANSMISSION SHIFTS (JERKING). THIS CHANGE CAN BECOME VERY PRONOUNCED, THE VEHICLE REMAINS SAFE TO DRIVE. *PE
TSB-01-08-122009-03-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). VOLKSWAGEN: THE INTAKE FLAP MOTOR OR INTAKE MANIFOLD RUNNER POSITION SENSOR G336 MAY BE INOPERATIVE (BOTH ARE INCLUDED IN ONE SINGLE UNIT). MODELS GOLF, GTI, A5 JETTA, GLI, EOS, PASSAT, PASSAT WAGON. *PE UPDATED 9/25/09. *PE

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