volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Relays and Modules - Computers and Control Systems > < Oxygen Sensor (Before Three Way Catalyst) Aging Check|Page 4723
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If wiring OK

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Replace Engine Control Module, See: Engine Control Module/Service and Repair/Engine Control Module (ECM), Replacing

 
NOTE:  

If DTC memory has been erased or the Engine Control Module was disconnected from its Voltage supply, the Readiness Code must be created again,
Refer to "Monitors, Trips and/or Drive Cycle", See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes

Relays and Modules - Computers and Control Systems > < Oxygen Sensor (Before Three Way Catalyst) Aging Check|Page 4723