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Home >> Porsche >> 2017 >> Macan Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> 90 Instruments -- (95B) MACAN >> WM 906455 Replacing PCC/PVTS control unit >> Replacing PCC/PVTS Control Unit

Replacing PCC/PVTS Control Unit

CAUTION: 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.

NOTE: 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  .

  1. Connect the Tester to the vehicle and start it. Switch on ignition.
  2. Switch to the PPN portal Porsche Car Connect Support  .
  3. 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. 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 
      NOTE:
      • 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.
  4. Read and carry out the following instructions:
  5. Select the Porsche Vehicle Tracking System (PVTS)  control unit in the overview  . Press [F12] to continue. The message "Create Vehicle Analysis Log (VAL)?" appears. Press [F11] to continue.
  6. Maintenance/repairs  must now be selected.
  7. Start-up  must be selected. Press [F12] to continue.
  8. Follow the instructions on the Tester. Press [F12] to continue.
  9. Perform procedure according to menu guidance. Read and follow the information and instructions on the Tester.
  10. Back to the overview.
  11. Read out the fault memory  and erase it if necessary.
  12. Exit the diagnostic application. Switch off ignition. Disconnect the Tester from the vehicle.
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