No. 93-21
Service Bulletin Details
Public Details for: No. 93-21
Technical information on the pcm - does not work, reset central computer
Models from 2021
2021 PORSCHE MACAN |
Models from 2020
2020 PORSCHE MACAN |
Models from 2019
2019 PORSCHE MACAN |
Service Technical Information 93/21 ENU 9152 9 Complaint – Porsche Communication Management (PCM) does not Work: Reset Central Computer (93/21) Revision: This bulletin replaces bulletin Group 9 93/21, dated July 15, 2021. Model Year: As of 2019 up to 2021 Model Line: Macan (95B) Concerns: Central computer (PCM 5.0) Information: Porsche Communication Management (PCM) cannot be switched on and the central computer cannot be controlled using the PIWIS Tester. This fault type can occur after an undervoltage in the on-board electrical system. The central computer goes into an undervoltage protection mode when doing this. Action required: Reset the central computer. To do this, hold down the volume control Volume control PCM -1 - for ten seconds when the ignition is switched on. Volume control PCM Important Notice: Technical Bulletins issued by Porsche Cars North America, Inc. are intended only for use by professional automotive technicians who have attended Porsche service training courses. They are written to inform those technicians of conditions that may occur on some Porsche vehicles, or to provide information that could assist in the proper servicing of a vehicle. Porsche special tools may be necessary in order to perform certain operations identified in these bulletins. Use of tools and procedures other than those Porsche recommends in these bulletins may be detrimental to the safe operation of your vehicle, and may endanger the people working on it. Properly trained Porsche technicians have the equipment, tools, safety instructions, and know-how to do the job properly and safely. Part numbers listed in these bulletins are for reference only. The work procedures updated electronically in the Porsche PIWIS diagnostic and testing device take precedence and, in the event of a discrepancy, the work procedures in the PIWIS Tester are the ones that must be followed. © 2022 Porsche Cars North America, Inc. AfterSales May 27, 2022 Page 1 of 1