RS 4 Quattro Cabriolet V8-4.2L (BNS) (2008)
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Check the wiring for a short circuit to each other, Battery (+), and Ground (GND), or an open circuit.
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If necessary, repair the faulty wiring connection.
If no malfunction is detected in the wiring:
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Replace the Engine Control Module (ECM) J623.
Final procedures
After the repair work, the following work steps must be performed in the following sequence:
1. Check the DTC memory. See: Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic Mode 03 -
Read DTC Memory
2. If necessary, erase the DTC memory. See: Computers and Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic
Mode 04 - Erase DTC Memory
3. If the DTC memory was erased, generate readiness code. See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive
Cycles and Readiness Codes
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End of diagnosis.