U0693

Lost Communication With Humidity Sensor

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$28–89 (est.)

Symptoms

Incorrect operation of the climate control system
Lack of automatic humidity control in the cabin
Fogging of glasses when temperature changes
Check Engine Light Illuminates
There may be errors in the operation of other climate-related systems

Causes

Air humidity sensor malfunction
Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Wiring harness damage
Software error in the ECU

How to Fix

Check the integrity of the humidity sensor
Inspect connectors and wiring for damage
Check the voltage and resistance in the sensor circuit
Scan the ECU for additional errors
If necessary, replace the humidity sensor

Related codes

U0694 U0695 U0696