Lost Communication With Parking Assist Ultrasonic Module
The U0286 code means the vehicle's onboard diagnostic system has detected: Lost Communication With Parking Assist Ultrasonic Module. This is a low severity code.
- Keep driving?
- Yes, but fix soon
- DIY difficulty
- moderate
- Estimated cost
- $100 - $500 (parts and labor)
Network codes mean modules are not communicating. You need a scanner that reads all systems to find the problem.
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Common Symptoms
- Parking sensors not beeping
- Distance display not showing
- Parking assist error message
- Sensors giving false readings
Probable Causes (Ranked by Likelihood)
- Failed ultrasonic parking sensor Very High
- Sensor face contamination High
- CAN bus wiring fault to sensor array Moderate
- Parking assist module failure Low
Step-by-Step Diagnostic Procedure
-
Clean parking sensor faces
-
Check for paint overspray on sensors
-
Scan parking assist module for codes
-
Test individual sensors
Frequently Asked Questions
Can I drive with U0286?
Yes. Use mirrors and visual checks for parking. No driving systems are affected.
What causes U0286?
Usually a dirty or paint-covered sensor. Individual sensor failure is also common.
How much does U0286 cost to fix?
Typically $100 to $500. Individual sensors are $50-$150 each.
Sources
This page is built from documented references. Verify against your own service info before repair work.
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