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Home >> Porsche >> 2005 >> Cayenne Base, Automatic >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> PORSCHE Stability Management System (PSM) - Diagnostics >> Control module function (coding/programming) >> Safety functions >> Switching off/on
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Switching off/on

NOTE: The PSM control module is switched off if the following criteria are met:
  • Voltage drops below the functional operating voltage at terminal 15 '4.5 V'
  • Overvoltage detected at terminal 15 '22.0 V' or overvoltage threshold reached at terminal 30 '16.0 V to 20.0 V'
  • Two speed sensor faults
  • Valve fault (hydraulic unit)
  • Hydraulic pump fault