U0659

Lost Communication With Left Front Temperature Actuator

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Inability to adjust temperature in left front zone
Uneven airflow in the cabin
Error indication on the climate control display
Automatic temperature reset
Noise or clicking noise from the drive area

Causes

Open or short circuit in the drive circuit
Drive solenoid valve malfunction
Poor contact in connectors
Problems with the climate control unit
Mechanical jamming of the drive

How to Fix

Check the fuses of the relevant circuits
Inspect the wiring harness and connectors for damage.
Check resistance and power supply to the drive
Replace faulty temperature drive
Test work after repair

Related codes

U0658 U0660 U0657