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B2201low severityBody

Rear Parking Sensor Circuit

on 2017 Maserati Levante 3.0L V6 Twin Turbo · AWD

What this code means

Malfunction in the rear parking/proximity sensor system.

Symptoms

  • Rear parking sensors not working
  • Constant false alarm beeping when reversing
  • Parking display shows error
  • Sensor reads incorrectly

Common causes

  • Faulty ultrasonic sensor
  • Sensor obstructed by dirt or snow
  • Wiring damage from trailer hitch installation
  • Module failure
  • Bumper replacement with incorrect sensor gaps

Diagnostic steps

  1. Clean rear sensors thoroughly
  2. Test each sensor with scan tool
  3. Inspect wiring (especially if trailer hitch installed)
  4. Check sensor seating in bumper
  5. Test parking assist module

Repair notes

Replace faulty sensor. Clean sensors. Check for wiring damage from aftermarket trailer hitch.

Other Body codes on this vehicle

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