A8 Quattro Sedan V8-4.2L (BGK) (2006)
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Connect test box (VAG1598/31) to wiring harness of Engine Control Module (ECM) .
The following wire connections must be checked for short circuit to B+, Ground (GND) and for open circuit
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Repair open circuit in wiring or short circuit if necessary.
If no malfunctions are found in wires:
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Replace throttle valve control module.
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Read readiness code => [ Readiness Code, Reading ] See: Powertrain Management/Computers and Control Systems/Testing and
Inspection/Monitors, Trips, Drive Cycles and Readiness Codes. If DTC memory was erased, readiness code must be generated again => [
Readiness Code, Generating ] See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive
Cycles and Readiness Codes.