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The Porsche PCM, or Porsche Communication Management system, is the central control unit for the infotainment system in Porsche vehicles. Standard across all Porsche models, it manages all infotainment-related functions.
Over the past two decades, the PCM has seen numerous upgrades and changes. This article will cover everything about the Porsche PCM, including its versions, common issues, and possible upgrades.
Who is This Article For?
- Anyone wanting to identify their PCM version
- People experiencing PCM-related issues or looking to reset their PCM
- Individuals interested in upgrading their PCM units
- Enthusiasts wanting to learn more about Porsche's PCM system
What is Porsche PCM?
Porsche Communication Management (PCM) is Porsche's proprietary control unit for its infotainment system, overseeing the functionality of audio, communication, and navigation features in all Porsche vehicles.
Initially introduced in the 991 models of the 996 generation and the Boxster models of the 986 generation, the PCM is now a standard feature across all Porsche vehicles, featuring a 12.3-inch multi-touch display, gesture controls, and voice control.
Porsche PCM Versions
The PCM has evolved through several generations, with the latest being the fourth generation. Additionally, Porsche has introduced the PCCM (Porsche Classic Communication Management) for older models with DIN-1 and DIN-2 slots.
The different PCM versions include:
Porsche PCM 4.0
The latest generation, PCM 4.0, introduced in 2016 and standard from 2017, features built-in voice control, SIM card integration for internet, and Porsche Connect for remote control. It debuted with the new Panamera and includes a 12.3-inch FHD touchscreen, voice controls, and proximity sensors for multi-touch gestures.
Latest maps for PCM 4.0: PCM 4.0 2016 - on maps
Porsche PCM 3.1
Though not a major upgrade from 3.0, PCM 3.1 offered faster performance and additional upgrade options, addressing issues like iPod battery drain and multimedia problems. Models with PCM 3.0 and 3.1 include:
- Porsche 991 (2011-2016)
- Panamera (2009-2013)
- Macan (2014-2016)
- Cayenne (2007-2017)
Latest maps for PCM 3.1: PCM 3.1 2009 - 2015 maps
Porsche PCM 3.0
PCM 3.0 marked a significant technological advancement with features such as a touchscreen, Bluetooth, iPod support, USB compatibility, and HDD-based navigation.
Latest maps for PCM 3.0: PCM 3.0 2009 - 2012 maps
Porsche PCM 2.0/2.1
Introduced in the early 2000s, PCM 2.0/2.1 featured a small screen, numerous buttons, DVD-based navigation, and classic FM/Radio. It was standard in models like the Porsche Cayenne, Boxster, 911, Carrera, and Carrera GT.
Latest maps for PCM 2.0: PCM 2.0 2003 - 2005 maps
Latest maps for PCM 2.1: PCM 2.1 2005 - 2008 maps
Identifying Your Porsche PCM Version
To determine your PCM version, follow these steps:
- Turn on your vehicle to activate the PCM.
- Press the Source and Info buttons simultaneously to display your PCM system details.
Alternatively, navigate to Info > Option > System Version.
Common Porsche PCM Issues
Random Reboots
One common issue with the PCM is random rebooting, which can interrupt music or other functions. This problem affects both old and new models.
Possible causes include aftermarket product incompatibility (upgraded iPod interface, Bluetooth, satellite radio) and updates from services like Sirius FM. A temporary fix is to turn off the HD radio:
- Select FM by pressing the Tuner button.
- Go to Options > HD Radio.
- Uncheck the HD Radio option.
Do you have a faulty Porsche PCM Module? Get a Porsche PCM Repair.
Resetting the PCM
If your PCM keeps rebooting, a hard reset might help:
- Press and hold the Info button for about 10 seconds to reboot.
- Navigate to PCM Car > Option > Set PCM system > Reset PCM > Vehicle Handover > Yes > Yes.
For other issues, reset the PCM by navigating to the settings menu and selecting Factory Settings.
Confirm by clicking Reset and Delete All.
Upgrading Your Porsche PCM
Various upgrade options are available for the PCM, including aftermarket products and Porsche’s PCCM for classic models. Note that hardware upgrades must be compatible with specific firmware versions.
Upgrades for PCM 2.1 include navigation and Bluetooth head units, while PCM 3.0 and 3.1 can have LCD, GPS, firmware, and map updates. PCM 3.1 also supports SSD installation, Apple CarPlay, Android Auto, and Digital radio.
Porsche PCCM
Porsche’s PCCM and PCCM Plus offer modern infotainment systems for classic models with DIN-1 and DIN-2 slots. Available for models like the 996 and 986, as well as the 911 from the F models to type 993, features include touch displays with DAB+, Apple CarPlay, Bluetooth, iPhone interface, USB, AUX, and Google integration in the PCCM Plus.
These units can be purchased from us here:
Porsche Classic Communication Management Plus CarPlay Double Din radio 996 986 classic cars
Conclusion
This article has provided a comprehensive overview of Porsche’s PCM, detailing its versions, common problems, and possible upgrades. We hope this information has been helpful and addressed your queries regarding the Porsche Communication Management system.
