Three Way Catalytic Converter (TWC), checking

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.

Function test

Perform the function test in Diagnostic Mode 06. Refer to → Diagnostic Mode 06: Checking test results of components that are not continuously monitored .
End diagnosis and switch the ignition off.

If the specified values are exceeded:

Replace the catalytic converter with front exhaust pipe.

Final procedures

After the repair work, the following work steps must be performed in the following sequence:

Check the DTC memory.
If necessary, erase the DTC memory.
If the DTC memory was erased, generate readiness code.

End diagnosis