Replace PCC/PVTS Control Unit

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 90 A to the vehicle battery.

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 additions may appear in the PIWIS Tester .

Connect the Tester to the vehicle and start it. Switch on ignition.
If the customer has an active Porsche Car Connect contract, continue with Step 2.

If the customer does not have an active Porsche Car Connect contract, continue with Step 4.
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 Initialize procedure for replacing a device.
4. 3.4 Select a reason for replacement.
5. 3.5 Start Replacement of devices.
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.
  > WM, 906419 REMOVING AND INSTALLING PCC/PVTS CONTROL UNIT
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 select the Rear end control unit. Press F12 to continue. Create Vehicle Analysis Log (VAL)? Press F11 to continue.
Select Coding/programming.
Select Automatic coding . Press F12 to continue.
The Tester displays the message: Coding completed successfully.
Back to the overview .
In the Overview , press F7 to switch to the Additional menu .
PCC/PVTS start-up must now be selected. Press F12 to continue.
Read the warnings displayed on the Tester. Press F12 to continue.
Perform procedure according to menu guidance. Read and follow the information and instructions on the Tester.
Read out error memories and erase them if necessary.
Exit the diagnostic application. Switch off ignition. Disconnect Tester from vehicle.