P2524
A/C Request B Circuit High
P2524 is an OBD-II diagnostic trouble code meaning: A/C Request B Circuit High. Common causes: short circuit in a/c request circuit, faulty a/c relay. Estimated repair cost: $6–33.
Symptoms
- Air conditioner won't turn on
- Reduced performance of the air conditioning system
- Check Engine light comes on
- The fan runs at maximum speed
Causes
- Short circuit in A/C request circuit
- Faulty A/C relay
- Wiring harness damage
- Problems with the engine control unit (ECU)
- Contact corrosion
How to Fix
- Check the integrity of the wiring harness
- Test the air conditioner relay
- Measure the resistance in the circuit
- Check connections and contacts
- Replace damaged components if necessary
Related codes
Error P2524 by Vehicle Brand
FAQ
What does the P2524 code mean?
P2524 is an OBD-II diagnostic trouble code that indicates: A/C Request B Circuit High
What causes a P2524 error code?
The most common causes of P2524 include: Short circuit in A/C request circuit; Faulty A/C relay; Wiring harness damage; Problems with the engine control unit (ECU).
How do I fix a P2524 diagnostic trouble code?
To fix P2524: Check the integrity of the wiring harness. Test the air conditioner relay. Measure the resistance in the circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2524?
Yes, but get it checked soon
How much does it cost to fix P2524?
The estimated repair cost for P2524 is $6–33. Actual cost depends on your vehicle, location, and labor rates.
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