Replacing PDK Transmission Control Unit

NOTIFICATION 

Voltage drop 

• Irreparable damage to control unit 
• Damage to control unit 
• Fault entries in the control unit 
• Control unit programming/coding is aborted 
• Malfunctions in the control unit, even during programming 

  → Switch off ignition before disconnecting the control unit.

  → Make sure that the power supply is not interrupted during programming/coding.

  → Connect the battery charger with at least > current 90 A  s/to the vehicle battery.

Information 

• All remote controls (keys) are required for teaching a DME, rear-end electronics (rear BCM), electronic steering lock (ELV) control unit for example, or for teaching remote controls (keys). 
• Remote controls (keys) that are not taught during this teaching procedure will no longer be recognised by the vehicle. 

Information 

The PIWIS Tester  instructions take precedence since the description may be different with later Tester releases.

The procedure described here has been structured in general terms. Different text or additional information may appear on the PIWIS Tester. 

1. Connect the Tester to the vehicle and start it. Switch on ignition.
2. Select the vehicle type if required.
3. Select the PDK (Porsche Doppelkupplung)  control unit in the overview.  Press F12 to continue. The message "Create Vehicle Analysis Log (VAL)?" appears. Press F12  to continue.
4. Coding/programming  must be selected.
5. Automatic programming  must now be selected. Press F12 to continue.
6. Read and follow the instructions and information on the Tester. Perform procedure according to menu guidance.
7. The Tester displays the message: Programming was completed successfully. Press F12 to continue.
8. Go back to the overview.
9. Press F7 in the overview to select the Additional menu. 
10. Engine immobiliser start-up  must be selected. Press F12 to continue.
11. Read and follow the instructions and information on the Tester. Perform procedure according to menu guidance.
12. The Tester displays the message: Engine immobiliser start-up completed successfully.
13. Read out all fault memories  and erase them if necessary.
14. Go back to the overview.
15. Select the PDK (Porsche Doppelkupplung)  control unit in the overview.
16. Maintenance/repairs  must now be selected.
    WARNING: The vehicle can move automatically while you are calibrating the transmission control unit (PDK).

    • The raised vehicle can fall from the lifting platform.
    • Danger of crushing.
    • Risk of damage to or from objects.

      → During calibration, the brake pedal must be blocked using a commercially available brake pedal lock.

      → The parking brake must be engaged.

      → The vehicle must not be raised and must be standing on its wheels.

17. Calibration  must now be selected. Press F12 to continue.
18. Calibration after replacing mechatronics (hydraulics and control unit) must now be selected. Press F12 to continue.
19. Read and follow the instructions and information on the Tester. Perform procedure according to menu guidance.
20. Read out the fault memory  , correct faults that are stored if necessary and clear the fault memory.
21. Exit the diagnostic application. Switch off ignition. Disconnect the Tester from the vehicle.
22. Lock, open and start the vehicle using all remote controls.