P1548
A/C Recirculation Circuit
Severity
⚠️ MediumCan you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)
Symptoms
- Air recirculation mode does not work
- The air conditioner blows less cold air
- Odors from the street penetrate into the cabin
- The Check Engine light may come on
- In some cases - clicks from the damper block area
Causes
- Faulty recirculation solenoid valve
- Open or short circuit in control circuit
- Problems with the climate control unit
- Mechanical jamming of the recirculation damper
- Oxidized contacts in connectors
How to Fix
- Check the recirculation circuit fuse
- Diagnose solenoid valve resistance
- Check the integrity of wiring and connectors
- Clean or replace jammed damper
- If necessary, replace the climate control control unit