Lost Communication With Rear Distance Range Sensor
What does U0196 mean?
The U0196 code means the vehicle's onboard diagnostic system has detected: Lost Communication With Rear Distance Range Sensor. This is a low severity code.
Common Symptoms
- Rear parking sensors not working
- Rear cross-traffic alert disabled
- Backup collision warning inoperative
- Rear distance display showing error
- Parking assist system fault message
Probable Causes (Ranked by Likelihood)
- Failed rear ultrasonic or radar sensor Very High
- Rear bumper damage affecting sensor alignment High
- Sensor blocked by mud, ice, or snow Moderate
- Damaged wiring to rear sensor module Moderate
Step-by-Step Diagnostic Procedure
-
Clean all rear parking sensors on the bumper
-
Inspect the rear bumper for damage or paint over sensors
-
Check each sensor with a scan tool to identify the failed unit
-
Verify wiring to the rear sensor module
-
Check for sensor connector corrosion from road splash
Frequently Asked Questions
Can I drive with code U0196?
Yes, safe to drive. Use extra caution when reversing since rear parking sensors and cross-traffic alert will not be working.
What causes U0196?
Usually a failed rear parking sensor or one blocked by dirt or ice. Rear-end bumper damage can also misalign or damage the sensors.
Is U0196 expensive to fix?
Typically $100 to $500. Individual parking sensors are inexpensive to replace. Bumper removal adds some labor cost.