Be aware that there are two suppliers for the Volkswagen TDI diesel glow plugs (Bosch and Beru).
If you encounter a malfunction message “$33$10” while performing a software update on a 2012 Volkswagen Routan, try removing pin 6 from the DCL and attempt the software update with the pin removed.
This bulletin applies to 2007 and later Volkswagen Beetle models equipped with a 2.5L engine. If DTC P3047 (activation starter relay 2 short to B+), this fault may be due to a loose or damaged starter signal wire.
If a groaning or screeching noise is present on a 2010 Volkswagen Passat, and the noise is heard at the transmission during high load clutch operation, the clutch hub springs may have broken down, causing a vibration through the pressure plate.
This bulletin applies to 2011 Volkswagen Routan and other 2000-2011 VW models with A/C and a three-wire G35 pressure sensor.
If you receive a complaint of low power with a Volkswagen TDI engine, check the mass airflow (MAF) sensor reading in measuring block group 00, field 10.
This bulletin applies to 2010 Volkswagen Routan models. The MIL may be on, with P013A O2 sensor slow response (rich to lean) stored.
This bulletin applies to 2007 Volkswagen Passat Wagon models. After installing a new parking brake switch, the electronic parking brake may not respond, with a warning light on.
If a 2009 Volkswagen Beetle displays a flashing coolant light when the engine is first started cold, do not allow the coolant to warm.
If a 2013 Volkswagen Passat shows a MIL on with DTCs P0410, P0411 or P1423, this may be caused by a broken or cracked vacuum hose due to temperature variations.
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