LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Porsche >> 2004 >> Cayenne Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Pcm2/CDR23 - Cd Changer >> Control unit function - CD changer >> Coding
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Control unit function - CD changer: Coding

It is possible to extract the PCM2 code and to code the PCM2 on a country-specific basis in the 'Modify coding' menu.

MENU ITEMS AND FUNCTION REFERENCE CHART

Menu item Function
  • PCM2 code:
 It is possible to code the PCM2 code under this menu item after replacing the PCM2.
  • Connect and start the Porsche System Tester II No. 9588 and switch on the ignition.
  • Select 'Cayenne' in the Vehicle type menu and confirm with the [>>] key.
  • Select 'PCM2' in the Control units menu and confirm with the [>>] key.
  • Select 'PCM2 MMI' in the Cayenne PCM2 function selection and confirm with the [>>] key.
  • Select 'Coding' in the Cayenne PCM2 MMI function selection and confirm with the [>>] key.
  • Select 'PCM2 code' in the Cayenne PCM2 MMI coding function selection and confirm with the [>>] key.
  • Take the PCM2 code from 'IPAS', enter it and code it with the [F8] key.
  • Country coding
 Using this menu item, you can code the country code.
  • Connect and start the Porsche System Tester II No. 9588 and switch on the ignition.
  • Select 'Cayenne' in the Vehicle type menu and confirm with the [>>] key.
  • Select 'PCM2' in the Control units menu and confirm with the [>>] key.
  • Select 'PCM2 MMI' in the Cayenne PCM2 function selection and confirm with the [>>] key.
  • Select 'Coding' in the Cayenne PCM2 MMI function selection and confirm with the [>>] key.
  • Select "Country coding" in the Cayenne PCM2 MMI coding function selection and confirm with the [>>] key.
  • Select "the relevant country coding" from the menu item that is displayed and code it with the [F8] key.
  • Vehicle type vehicle coding:
 Using this menu item, you can code the relevant vehicle type.
  • Connect and start the Porsche System Tester II No. 9588 and switch on the ignition.
  • Select 'Cayenne' in the Vehicle type menu and confirm with the [>>] key.
  • Select 'PCM2' in the Control units menu and confirm with the [>>] key.
  • Select 'PCM2 MMI' in the Cayenne PCM2 function selection and confirm with the [>>] key.
  • Select 'Coding' in the Cayenne PCM2 MMI function selection and confirm with the [>>] key.
  • Select "Vehicle type vehicle coding" in the Cayenne PCM2 MMI coding function selection and confirm with the [>>] key.
  • Select "the relevant vehicle type (Cayenne)" from the menu item that is displayed and code it with the [F8] key.

The following selection is available:

  • Not coded
  • 911 (996)
  • Boxster
  • Cayenne
  • Vehicle version vehicle coding:
 Using this menu item, you can code the relevant vehicle version.
  • Connect and start the Porsche System Tester II No. 9588 and switch on the ignition.
  • Select 'Cayenne' in the Vehicle type menu and confirm with the [>>] key.
  • Select 'PCM2' in the Control units menu and confirm with the [>>] key.
  • Select 'PCM2 MMI' in the Cayenne PCM2 function selection and confirm with the [>>] key.
  • Select 'Coding' in the Cayenne PCM2 MMI function selection and confirm with the [>>] key.
  • Select 'Vehicle version vehicle coding' in the PCM2 MMI coding function selection and confirm with the [>>] key.
  • Select 'Vehicle version vehicle coding' in the Cayenne PCM2 function selection and confirm with the [>>] key.
  • Select "the relevant vehicle version" from the menu item that is displayed and code it with the [F8] key.

The following selection is available:

  • Not coded
  • Coupe
  • Caprio
  • Targa
  • Air conditioning:
 Using this menu item, you can code the relevant equipment.
  • Connect and start the Porsche System Tester II No. 9588 and switch on the ignition.
  • Select 'Cayenne' in the Vehicle type menu and confirm with the [>>] key.
  • Select 'PCM2' in the Control units menu and confirm with the [>>] key.
  • Select 'PCM2 MMI' in the Cayenne PCM2 function selection and confirm with the [>>] key.
  • Select 'Coding' in the Cayenne PCM2 MMI function selection and confirm with the [>>] key.
  • Select 'Air conditioner' in the PCM2 MMI coding function selection and confirm with the [>>] key.
  • Switch to the selection menu in the Cayenne PCM2 air conditioner function selection with the [>>] key.
  • Select "the relevant version" from the menu item that is displayed and code it with the [F8] key.

The following selection is available:

  • With air conditioning
  • Without air conditioning
  • Units:
 Using this menu item, you can code the relevant units.
  • Connect and start the Porsche System Tester II No. 9588 and switch on the ignition.
  • Select 'Cayenne' in the Vehicle type menu and confirm with the [>>] key.
  • Select 'PCM2' in the Control units menu and confirm with the [>>] key.
  • Select 'PCM2 MMI' in the Cayenne PCM2 function selection and confirm with the [>>] key.
  • Select 'Coding' in the Cayenne PCM2 MMI function selection and confirm with the [>>] key.
  • Select 'Units' in the Cayenne PCM2 MMI function selection and confirm with the [>>] key.
  • Select 'Units' in the Cayenne PCM2 function selection and confirm with the [>>] key.
  • Select "the relevant units" from the menu item that is displayed and code them with the [F8] key.

The following selection is available:

  • Metric, RoW (°C, litre, km)
  • UK English (°C, gallon, mph)
  • US English (°F, gallon, mph)
  • Right/left-hand drive vehicle coding:
 Using this menu item, you can code the relevant vehicle version.
  • Connect and start the Porsche System Tester II No. 9588 and switch on the ignition.
  • Select 'Cayenne' in the Vehicle type menu and confirm with the [>>] key.
  • Select 'PCM2' in the Control units menu and confirm with the [>>] key.
  • Select 'PCM2 MMI' in the Cayenne PCM2 function selection and confirm with the [>>] key.
  • Select 'Coding' in the Cayenne PCM2 MMI function selection and confirm with the [>>] key.
  • Select "Right/left-hand drive vehicle coding" in the Cayenne PCM2 MMI coding function selection and confirm with the [>>] key.
  • Select "Right/ left-hand drive" from the menu item that is displayed and code it with the [F8] key.

The following selection is available:

  • Right-hand drive
  • Left-hand drive
  • MOST switch:
 If the PCM2 is operated without additional MOST control units, the MOST switch must be closed. The MOST switch must only remain open when MOST control units are connected.
Using this menu item, you can code the relevant vehicle version.
  • Connect and start the Porsche System Tester II No. 9588 and switch on the ignition.
  • Select 'Cayenne' in the Vehicle type menu and confirm with the [>>] key.
  • Select 'PCM2' in the Control units menu and confirm with the [>>] key.
  • Select 'PCM2 MMI' in the Cayenne PCM2 function selection and confirm with the [>>] key.
  • Select 'Coding' in the Cayenne PCM2 MMI function selection and confirm with the [>>] key.
  • Select "MOST switch open/closed" in the Cayenne PCM2 MMI coding function selection and confirm with the [>>] key.
  • Select "MOST switch open/closed" from the menu item that is displayed and code with the [F8] key.

The following selection is available:

  • Open
  • Closed
scientia non olet · About LEMON Manuals