U0152low severityNetwork

Lost Communication with Parking Assist Module

on 2012 Toyota Highlander 3.5L V6 · AWD

What this code means

Cannot communicate with the parking sensor or park assist control module.

Symptoms

  • Parking sensors not working
  • Park assist disabled
  • Backup alert not sounding
  • Parking distance display blank

Common causes

  • Park assist module failure
  • CAN bus wiring
  • Module power loss
  • Fuse blown
  • Sensor wiring damage

Diagnostic steps

  1. Check park assist module fuse
  2. Test power and ground
  3. Check CAN wiring
  4. Test individual parking sensors
  5. Inspect rear bumper wiring

Repair notes

Check fuses and rear bumper sensor wiring. Sensors can be damaged by minor impacts.

Other Network codes on this vehicle

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