audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Oxygen Sensor|Service and Repair > < Heater For Oxygen Sensor Before Catalytic Converter, Checking|Page 3400
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Repair open circuit in wiring or short circuit if necessary. 

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Check wire connections to each other for short circuit.

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If wire connection is OK, replace Engine Control Module (ECM), refer to Repair Manual and generate readiness code again => [ Readiness Code,
Generating ] See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness
Codes. 

Oxygen Sensor|Service and Repair > < Heater For Oxygen Sensor Before Catalytic Converter, Checking|Page 3400