Tire Pressure Module: Service and Repair
WM 443419 Removing and installing control unit for Tyre Pressure Monitoring (TPM)
Preliminary work
Remove cover under dashboard on left. -> 701919 Removing and installing trim under dashboard - "Removing" section 701919 Removing and installing trim under dashboard
Removing control unit for Tyre Pressure Monitoring (TPM)
Removing control unit for tyre pressure monitoring system
Information
- The control unit for the tyre pressure monitoring system is located below the dashboard, near the mounting saddle for the foot-operated parking brake.
- If possible, before the control unit is removed and replaced, a read-out of the vehicle data should be obtained from the Porsche System Tester. -> 443419 Removing and installing control unit for tyre pressure monitoring system - "Replacing" section.
Overview of control unit for tyre pressure monitoring system
1. Unscrew and remove both expanding rivets.
Unscrew and remove expanding rivets.
2. Unlock connector lock, unplug plug connection and remove control unit.
Installing control unit for Tyre Pressure Monitoring (TPM)
1. Push plug connection onto the control unit and lock connector.
Pushing plug connection onto control unit and locking it
2. Position control unit and secure with the two expanding rivets.
Subsequent work
Install cover under dashboard on left. -> 701919 Removing and installing trim under dashboard - "Subsequent work" section 701919 Removing and installing trim under dashboard
Replacing control units for Tyre Pressure Monitoring (TPM)
Replacing control modules for tyre pressure monitoring system (RDK)
Information
- If the control unit for the tyre pressure monitoring system is replaced, it must be programmed using the Porsche System Tester. This will ensure that the control unit is taught for the relevant vehicle, country version and equipment.
- During coding, it is essential to guarantee the power supply for the Porsche System Tester. It is essential to connect a battery charger with a current rating of at least 40 A to the vehicle battery.
- The Porsche System Tester instructions take precedence and in the event of a discrepancy these are the instructions that must be followed. Deviations may occur with later software versions.
- The procedure described here has been structured in general terms; different texts or additions may appear in the Porsche System Tester.
1. Connect the Porsche System Tester to the vehicle and start the System Tester. Switch on the ignition. >> Continue.
2. Select vehicle type using the cursor keys.
3. Using the =>| key, move from the vehicle type to the control units.
4. Select RDK with the cursor keys and press the >> key.
5. Select Control unit replacement with the cursor keys and press the >> key.
6. Select Read out values (codings) with the cursor keys and press the >> key.
7. The message Coding read-out complete will appear on the screen of the Porsche System Tester >>.
8. Switch off ignition and replace RDK control unit.
9. After replacement of the vehicle electrical system control unit, the vehicle data is installed under the menu Write in data (see Section 6). Press the >> key.
10. System Tester displays Coding write-in complete. Press the >> key.
11. Exit the menu, switch off ignition, lock vehicle and read out fault memory once more.
Coding Tyre Pressure Monitoring (TPM) system
Coding tyre pressure monitoring system (RDK)
Information
- The procedure described here has been structured in general terms; different texts or additions may appear in the Porsche System Tester.
- Before the coding can be changed, an automatic control unit search must be performed.
1. Perform items 1 - 4. See -> 443419 Removing and installing control unit for tyre pressure monitoring system - "Replacing" section.
2. Select Coding with the cursor keys and press the >> key.
3. The equipment, wheel monitoring, tyre type and dimension, system can be coded.
4. Select variant and code if necessary.