P1548
A/C Recirculation Circuit
P1548 is an OBD-II diagnostic trouble code meaning: A/C Recirculation Circuit. Common causes: faulty recirculation solenoid valve, open or short circuit in control circuit. Estimated repair cost: $17–89.
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
Related codes
Error P1548 by Vehicle Brand
FAQ
What does the P1548 code mean?
P1548 is an OBD-II diagnostic trouble code that indicates: A/C Recirculation Circuit
What causes a P1548 error code?
The most common causes of P1548 include: Faulty recirculation solenoid valve; Open or short circuit in control circuit; Problems with the climate control unit; Mechanical jamming of the recirculation damper.
How do I fix a P1548 diagnostic trouble code?
To fix P1548: Check the recirculation circuit fuse. Diagnose solenoid valve resistance. Check the integrity of wiring and connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P1548?
Yes, but get it checked soon
How much does it cost to fix P1548?
The estimated repair cost for P1548 is $17–89. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat