Test-ID $05 (05): Tank Ventilation System, Tank Vent Valve Function Check

WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2006 Volkswagen GTI, 2005 Volkswagen Jetta, 2005 Volkswagen GTI, 2004 Volkswagen Jetta, and 2004 Volkswagen GTI. However, it is still accessible from the selected car via links, so may be relevant.

Connect the scan tool.
Start the engine and run at idle.
Select "Mode 6: Check test the results of components that are not continuously monitored".

Select "Test-ID $05 (05)".

Select the desired "Test-ID (TID)" or "Hex-ID".
Check specified values at idle.

Test-ID (TID) (Hex-ID)	DTC	Component or System	Min.	Max.	Additional Information
07 ($07)	P0441	Fuel Tank Leak Test. For additional information, refer to the Bosch Motronic ME 7.5 OBD System Strategy. Page 17.		30%	Refer to DTC P0441 in the DTC summary table. Additional exhaust regulation .

If any of components or systems fail to meet the specified values. Refer to Diagnostic "Mode 03: Interrogating Fault Memory" to check for stored DTCs or the corresponding diagnostic repair procedure → Mode 03: Interrogating fault memory .
Switch the ignition off.