2004 Volkswagen Passat Technical Service Bulletins

223 technical service bulletins (TSBs) are on record for the 2004 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.

• 10253213Feb 14, 2011Exterior lighting, Other or unknown. Exterior Lights, Moisture Accumulation
• 10239590Feb 14, 2011Exterior lighting. Exterior Lights, Moisture Accumulation
• 10038591Jan 28, 2011Electrical system, Engine cooling. Volkswagen service campaign: see document search button for owner letter. Engine software may cause the vehicle to exceed emissions standards.
• 10036493Sep 30, 2010Other or unknown. Volkswagen: child restraint latch guidance fixture; compliance with fmvss 225 (usa only). Update to existing technical bulletin. No production change required. All models.
• 10036496Aug 1, 2010Engine cooling, Electrical system. Volkswagen: gasoline engine vehicles inspect, and if necessary, replace ignition coils. Vehicles affected by this action may have ignition coils that could malfunction under certain conditions. Models passat and wagon; golf; gti; jetta and wagon; new beetle and convertible; phaeton; eos; rabbit, etc.
• 10252204Jul 23, 2010Visibility (wipers, defrost, mirrors), Engine cooling. Air Conditioning Does not Operate
• 10237700Jul 23, 2010Electrical system, Brakes. For concerns of no or intermittent A/C operation where pressure diagnosis does not lead to a cause, be sure to check the N25 A/C clutch coil. The fan control module may send a brief voltage signal to the clutch and then shut it off due to an open or high resistance in the coil circuit. The coil resistance should be between 3.5 and 4.5 ohms. If the reading is high or low when checked at the fan module, be sure to…
• 10124477Jul 23, 2010Equipment. Tech Tips (Air Conditioning Does not Operate): This document informs of concerns of no or intermittent A/C operation where pressure diagnosis does not lead to a cause, be sure to check the N25 A/C clutch coil. The fan control module may send a brief voltage signal to the clutch and then shut it off due to an open or high resistance in the coil circuit. The coil resistance should be between 3.5 and 4.5 ohms.
• 10033216Jul 1, 2010Electrical system, Engine cooling. Volkswagen: (revised) vehicles may have ignition coils that could malfunction under certain conditions. If this happens, the malfunction indicator lamp (mil) will illuminated to let you know that vehicle may experience some deterioration in performance. In some cases, a malfunctioning ignition coil may cause a vehicle to exceed federal and/or california emissions standards. 2001-2007 passa/passat wagon. *pe updated…
• 10033207Oct 28, 2009Electrical system, Engine cooling. Volkswagen: vehicles may have ignition coils that could malfunction under certain conditions. If this happens, the malfunction indicator lamp (mil) will illuminated to let you know that the vehicle may experience some deterioration in performance. In some cases, a malfunctioning ignition coil may cause a vehicle to exceed federal and/or california emissions standards. No models listed.
• 10032411Jun 1, 2009Seats. Volkswagen: heated seats install new passenger side seat heater switch. Affected vehicles may have a seat heater element that can malfunction when the ignition switch is on and the seat heater switch is on.
• 10030369May 18, 2009Engine cooling. Volkswagen: engine oil pressure too low, light is on, engine flush. The low engine oil pressure condition may be caused by a restriction of the oil pump suction line strainer.
• 10026848Aug 28, 2008Engine cooling, Body and structure. Volkswagen: exhaust heat shield, replacement guidelines. Heat shields are to be inspected after completion o any type of repair to the underbody (exhaust system transmission, etc.), and if damaged, replaced.
• 10026068Jun 1, 2008Body and structure. Volkswagen: service air plenum area to improve drainage and install improved pollen filter seal.
• 10025923Jun 1, 2008Brakes, Body and structure. Volkswagen: 2001-2005 models: service air plenum area to improve drainage and install improved pollen filter seal. Water could leak into the passenger compartment. 2002 models could have leaks into the brake booster.
• 10023659Oct 1, 2007Seats. 2003-2004 model year passat with heated seats install new passenger side seat heater switch.
• 10021437Mar 30, 2007Engine cooling. Engine oil pressure too low, light is on, engine flush.
• 10021315Jan 11, 2007Engine cooling. Dtc's p1297 (17705) or p1557 (17965) stored in dtc memory. This may be caused by intake hoses leaking (during boost conditions) due to incorrect torque on clamps or improper placement, worn or torn intake hoses.
• 10018452Nov 7, 2005Exterior lighting. Vehicles may display vibration of the headlight due to clearance between headlight assembly and front facia - excluding new passat.
• 10016037Jul 14, 2005Brakes. Anti-lock brake system (abs) control module warranty repair process.
• 10015584May 1, 2005Equipment. Install mercury label on vehicles registered in the states of vermont, maine and connecticut - environmental compliance action circular.
• 10012457Jan 14, 2005Electrical system. Diagnostic trouble code (dtc) p1603 (18011) stored in dtc memory.
• 10011567Nov 9, 2004Engine cooling. Engine coolant temperature (ect) sensor.

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