A6 Quattro Wagon V6-3.2L (BKH) (2006)
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Repair the malfunction.
If the electrical harness connector is OK:
Checking voltage
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Switch the ignition on.
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Using a multimeter, check the Tiptronic Switch (F189) electrical harness connector terminal T10p/7 to Ground (GND) for voltage.
Specified value, Battery voltage.
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Switch the ignition off.
If the specified value was not obtained:
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If necessary, repair the faulty wiring connection.
If the specified value was obtained:
Checking Ground (GND)
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Using a multimeter, check the Tiptronic Switch (F189) electrical harness connector terminal 10p/6 to Ground (GND) connection for resistance.
Specified value: 1.5 ohms Max.
If the specification was not obtained:
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Check the wiring for a short circuit to each other, Battery (+), and Ground (GND).
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If necessary, repair the faulty wiring connection.
If no malfunction was found in the wiring and the resistance was OK:
Checking wiring
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Remove the Transmission Control Module (TCM) (J217). Refer to => [ Transmission Control Module, Replacing ] .
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Using a multimeter, check the Tiptronic Switch (F189) electrical harness connector terminals to the Transmission Control Module (TCM) (J217)
electrical harness connector terminals for an open circuit.