Operation CHARM
: Car repair manuals for everyone.
Home
>>
Volkswagen
>>
2003
>>
Passat Wagon 4Motion (3B6) W8-4.0L (BDP)
>>
Repair and Diagnosis
>>
A L L Diagnostic Trouble Codes ( DTC )
>>
Testing and Inspection
>>
P Code Charts
>>
P0421
P0421
DTC P0412 - P0431:
