A4 Quattro Cabriolet V6-3.2L (BKH) (2007)
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Control Module: Testing and Inspection
Transmission Control Module Voltage Supply, Checking
Transmission Control Module Voltage Supply, Checking
‹› The Transmission Control Module (TCM) (J217) is a component of the mechatronic unit in the transmission and cannot be replaced separately.
Special tools, testers and auxiliary items required
‹› Multimeter.
‹› Wiring diagram.
Requirements
‹› The Transmission Control Module (TCM) (J217) fuses OK.
‹› The battery voltage must be at least 12.5 volts.
‹› The Ground (GND) connections at the transmission OK.
‹› The parking brake engaged.
‹› The selector lever of automatic transmission in position "P".
‹› All electrical consumers switched off.
‹› The ignition switched off.
Test procedure
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Perform a preliminary check to verify the customers complaint. Refer to => [ General Diagnosis ] See: Computers and Control Systems/Testing
and Inspection/Initial Inspection and Diagnostic Overview/General Diagnosis.
Start diagnosis
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Disconnect the Transmission Control Module (TCM) (J217) electrical harness connector - direction of the arrow -.
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Check the electrical harness connector for damage, contact corrosion, or ingress of water.
If the electrical harness connector is not OK:
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Repair the malfunction.
If the electrical harness connector is OK:
Checking voltage
