U0270

Lost Communication With Image Processing Sensor L

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$167–556 (est.)

Symptoms

Disabling Driver Assistance Systems (ADAS)
Error message on the dashboard
Inability to activate autonomous driving features
Reduced security system functionality
Check Engine Light Flashing

Causes

Broken or damaged wiring harness to the sensor
The image sensor itself is faulty
Sensor power problems
Corrosion or oxidation of contacts
ECU software error

How to Fix

Check the integrity of the wiring harness to the sensor
Check the power supply and ground of the sensor
Clean the contacts of the sensor connector
Scan the system for other errors
Replace the imaging sensor if necessary
Update ECU software

Related codes

U0269 U0271 U0272