U0660

Lost Communication With Left Rear Temperature Actuator B

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–56 (est.)

Symptoms

Incorrect operation of climate control in the rear left zone
Lack of response to temperature adjustment from rear panels
Check Engine Light Illuminates
Uneven temperature distribution in the cabin
Climate control errors on display

Causes

Open or short circuit in the sensor circuit
Left Rear Temperature Sensor B Malfunction
Poor contact in the sensor connector
Problems with the climate control unit
Wiring harness damage

How to Fix

Check the integrity of the wires to the sensor
Inspect connectors for oxidation or damage
Check the resistance of the temperature sensor
Scan the climate control module for other errors
If necessary, replace the temperature sensor

Related codes

U0655 U0665 U0670