Porsche ABS/PSM Activation Deactivation

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ABS / PSM Activation – Deactivation

What it does

• Activates or deactivates the ABS and PSM (Porsche Stability Management) systems
• Controls vehicle stability, traction control, and anti-lock braking
• Used mainly for diagnostics, testing, or specific workshop procedures

When it is required

• During diagnostic testing or fault tracing
• After ABS or PSM control unit replacement
• After sensor replacement (wheel speed, yaw, steering angle)
• For dynamometer testing or special service modes

Conditions that must be met

• Vehicle stationary
• Ignition ON
• Stable battery voltage
• Diagnostic tool connected
• No critical system faults (unless diagnosing)

What happens during activation/deactivation

• ABS and/or PSM functions are enabled or temporarily disabled
• Control unit status is updated and stored
• Warning indicators may illuminate during deactivation
• System readiness is confirmed via diagnostic feedback

If procedure is not performed correctly

• ABS or PSM may remain inactive
• Warning lights may stay illuminated
• Stability and braking assistance may be unavailable
• Fault codes may persist

After procedure

• Reactivate ABS/PSM before road use
• Verify system status in live data
• Clear fault codes if necessary
• Perform a short test drive to confirm proper operation

Coverage in PoCOM