Coding 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 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 additional information may appear on the PIWIS Tester .
- Connect the PIWIS Tester to the vehicle and start the Tester. Switch on ignition.
- Select the vehicle type and start the diagnostic application.
- Select the required control unit, e.g. Tyre Pressure Monitoring system in the overview .
- Extended identifications must now be selected.
- Enter the vehicle identification number and press Enter to confirm your entry.
- Maintenance/repairs must then be selected.
- Control unit replacement must now be selected. Then press [F12] to continue.
- Follow the instructions on the Tester.
- The Tester displays the message Coding has been completed successfully . Press [F12] to continue.
- Teach wheel IDs must now be selected. Then press [F12] to continue.
- Select the desired teaching process, then press [F12].
- Follow the instructions on the Tester and press [F12] to continue.
- Read out the fault memory and erase it if necessary.
- Check the TPM function during the test drive.