Replacing PCC/PVTS control unit

WARNING: This page is about a different car, the 2016 Porsche Macan and 2015 Porsche Macan. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Voltage drop

Risk of irreparable damage to control unit
Risk of damage to control unit
Fault entries in the control unit
Coding in the control unit is aborted
Malfunctions in control unit, even during programming

→ Prior to disconnecting the control unit, switch off ignition and remove ignition key.

→ Ensure that the power supply is not interrupted during programming.

→ Connect a battery charger with a current rating of at least → Nominal value: 40 A to the vehicle battery.

Information

The PIWIS Tester 3 9900 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 additions may appear in PIWIS Tester 3 9900 .

Connect the Tester to the vehicle and start it. Switch on ignition.
Switch to the PPN portal Porsche Car Connect Support .
Select Replacement of devices .
1. 3.1. Enter the vehicle identification no.
2. 3.2. Check vehicle details; the vehicle contract status must be set to active .
3. 3.3. Press the button Initialise procedure for replacing a device .
4. 3.4. Select a reason for replacement.
5. 3.5. Replacement of devices can now be started.
6. 3.6. Wait for the timer to end, read instructions and press Next .
7. 3.7. Document the displayed installation code .
8. 3.8. Exit the portal and replace control unit. → 906419 REMOVING AND INSTALLING CONTROL UNIT FOR AUXILIARY ALARM SYSTEM
Information

Before installing the new control unit, the control unit specifications must be documented/photographed.

If a problem occurs while teaching/activating the control unit following installation, you will need the control unit specifications for the Hotline.
Read and carry out the following instructions:
In the overview , press [F7] to switch to the Additional menu . press [F12] to continue. The message "Create Vehicle Analysis Log (VAL)?" appears. Press [F11] to continue.
PCC/PVTS start-up must now be selected. press [F12] to continue.
Follow the instructions on the Tester. press [F12] to continue.
Perform procedure according to menu guidance. Read and follow the information and instructions on the Tester.
Back to the overview.
Select the Rear-end electronics control unit in the overview .
Coding/programming must be selected.
Automatic coding must now be selected. press [F12] to continue.
The Tester displays the message: Coding completed successfully.
Read out the fault memory and erase it if necessary.
Exit the diagnostic application. Switch off ignition. Disconnect the Tester from the vehicle.