Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Actual Values



Actual Values

It is possible to read out the unlock counter under the 'Actual values' menu item.

Menu item Function

- Unlock counter Under this menu item, it is possible to check the electrical and optical MOST during troubleshooting.
- Connect and start the 9588 Porsche System Tester II and switch on the ignition.
- Select '911 (996)' in the Vehicle type menu and confirm with the [>>] key.
- Select 'PCM' in the Control modules menu and confirm with the [>>] key.
- Select 'PCM2 GW' in the PCM2 function selection and confirm with the [>>] key.
- Select 'Actual values' in the PCM2 GW function selection and confirm with the [>>] key.
- Select "Unlock counter" in the PCM2 GW actual values function selection and confirm with the [>>] key.
- Read out values from the display field.