FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.
Home >> Volkswagen >> 2004 >> Passat Wagon (3B6) L4-1.8L Turbo (AWM) >> Repair and Diagnosis >> A L L Diagnostic Trouble Codes ( DTC ) >> Testing and Inspection >> Manufacturer Code Charts >> Engine Control System >> DTC 16521

DTC 16521



SAE VAG Description
P0137 16521 O2 Sensor Circuit Low Voltage Bank 1 Sensor 2

- Oxygen Sensor (O2S) and oxygen sensor control behind Three Way Catalytic Converter (TWC), checking. Oxygen Sensor After Catalyst, Checking
pro multis Credits:Operation CHARM About Operation CHARM