A8 Quattro Sedan V8-4.2L (BVJ) (2008)
If no malfunction is detected in the wiring and the voltage supply was OK:
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Replace the Throttle Position (TP) Sensor (G79)/Accelerator Pedal Position Sensor 2 (G185).
If no malfunction is detected in the wiring and if the voltage supply was not OK:
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Replace the Motronic Engine Control Module (ECM) (J623). Refer to => [ Engine Control Module, Removing and Installing ] See: Computers
and Control Systems/Engine Control Module/Service and Repair.
Assembly is performed in the reverse order of removal.
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Install the drivers side storage compartment.
Final procedures
After repair work, the following work steps must be performed in the following sequence:
1. Check the DTC memory. Refer to => [ Diagnostic Mode 03 - Read DTC Memory ] See: Computers and Control Systems/Testing and
Inspection/Scan Tool Testing and Procedures/Diagnostic Modes 01 - 09/Diagnostic Mode 03 - Read DTC Memory.
2. If necessary, erase the DTC memory. Refer to => [ Diagnostic Mode 04 - Erase DTC Memory ] See: Computers and Control Systems/Testing and
Inspection/Scan Tool Testing and Procedures/Diagnostic Modes 01 - 09/Diagnostic Mode 04 - Erase DTC Memory.
3. If the DTC memory was erased, generate readiness code. Refer to => [ Readiness Code ] See: Computers and Control Systems/Testing and
Inspection/Monitors, Trips, Drive Cycles and Readiness Codes.
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End of diagnosis.