B323A

Upper Hands Free Sensor Signal Invalid

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$56–167 (est.)

Symptoms

Keyless entry system does not work
Problems with automatic door/trunk opening
Flashing warning lights

Causes

Open or short circuit in wiring harness
Hands Free sensor malfunction
Damage to the sensor connector
Software failure in the control module

How to Fix

Check the integrity of the wiring harness and connectors
Test the Hands Free sensor for malfunctions
Update control module software
Replace sensor if necessary

Related codes

B323B B323C U0155