U0196 low

Lost Communication With Rear Distance Range Sensor

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.

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Keep driving?
Yes, but fix soon
DIY difficulty
moderate
Estimated cost
$100 - $500 (parts and labor)
Diagnose CAN Bus Issues
LAUNCH CRP123X Full System Scanner

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

  • 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

  1. Clean all rear parking sensors on the bumper

  2. Inspect the rear bumper for damage or paint over sensors

  3. Check each sensor with a scan tool to identify the failed unit

  4. Verify wiring to the rear sensor module

  5. 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.

Sources

This page is built from documented references. Verify against your own service info before repair work.

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