New Beetle L4-2.0L (AZG) (2003)
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Catalytic Converter: Customer Interest
Emissions - MIL ON/DTC P0420/Cat. Converter Rattling
26 10 04
September 17, 2010
2016073 Supersedes T.B. Group 26 number 07-05 dated Sept. 5, 2007 to include the 2002 Carbio with 2.0L (ABA) engine.
Vehicle Information
Condition
MIL is ON and/or Catalytic Converter is Rattling
MIL is ON, DTC P0420 is stored and/or catalytic converter rattling.
Technical Background
The expansion mat in the original part can erode prematurely, causing the converter to rattle and/or MIL ON. A new part was designed to fix this
concern.
Production Solution
Repair identified after production was completed.
Service
The above condition MAY be covered by the Catalytic Converter Limited Extended Warranty, see Warranty information below.
Prior to replacing a catalytic converter under the Catalytic Converter Limited Extended Warranty, perform the following procedure:
^
Check the engine oil level.
Oil level MUST be correct.
If overfilled,
^
Oil level should be adjusted to proper level prior to continuing.
Adjusting oil level is NOT covered by Warranty.
Is Catalytic Converter Rattling?
^
Inspect the catalytic converter for a broken or deteriorated monolith (honeycombed interior element).
If catalytic converter is NOT rattling:
^
Go to Interrogating DTC memory (below).
