S8 Quattro Sedan V10-5.2L (BSM) (2009)
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Repair the malfunction and repeat the test sequence.
If the electrical harness connector is OK:
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Check the wiring according to the wiring diagram:
If no malfunctions are found in the wiring:
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Replace the Mechatronic unit in the transmission. Refer to Repair Manual.
Final procedures
1. Check the DTC memory. Refer to => [ Diagnostic Mode 03 - Read DTC Memory ] See: Testing and Inspection/Scan Tool Testing and
Procedures/Diagnostic Modes 01 - 09.
2. If necessary, erase the Transmission Control Module (TCM) (J217) memory. Refer to => [ Diagnostic Mode 04 - Erase DTC Memory ] See:
Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic Modes 01 - 09.
3. If the DTC memory was erased, generate readiness code. Refer to => [ Readiness Code ] See: Testing and Inspection/Monitors, Trips, Drive
Cycles and Readiness Codes.