Coding (Programming) The Control Module
Information
The procedure described must be applied when a control unit has to be replaced and the tester function Control unit replacement cannot be used.
- 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.
- 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
Follow the instructions on the Tester.
Later versions of the software may display slightly different text or require a slightly different procedure. The instructions you receive from the tester itself take precedence over this description.
- Connect the Porsche System Tester to the vehicle and start the System Tester. Switch on the ignition. [>>] Continue.
- Select vehicle type using the cursor keys.
- Using the [>>] key, move from the vehicle type to the list of control modules. Perform the automatic control module search.
- Select the relevant control module with the cursor keys and press the [>>] key.
- Select Control unit replacement with the cursor keys and press the [>>] key.
- Select Write in data and write in the relevant data. (Even if no data was read out, the required data is loaded for the control unit.)
- Select Coding with the cursor keys and press the [>>] key.
- Select the version required for the vehicle in question and follow the instructions on the Tester.
- In the menu Vehicle type , select Control units and then select the menu Special functions .
- Perform Vehicle handover and follow the instructions of the Tester.
- Read out and erase fault memory.