P2523
A/C Request B Circuit Low
P2523 is an OBD-II diagnostic trouble code meaning: A/C Request B Circuit Low. Common causes: open or short circuit in the circuit, poor contact in the connector. Estimated repair cost: $6–56.
Symptoms
- Air conditioner won't turn on
- Reduced cooling efficiency
- Check Engine Light Is On
- Unstable operation of the climate control system
Causes
- Open or short circuit in the circuit
- Poor contact in the connector
- Malfunction of the climate control unit
- Air conditioning relay problems
- Refrigerant pressure sensor malfunction
How to Fix
- Check the integrity of the wires in the request circuit
- Inspect and clean the contacts in the connectors
- Check the operation of the air conditioner relay
- Test the climate control unit
- Check refrigerant pressure sensor
Related codes
Error P2523 by Vehicle Brand
FAQ
What does the P2523 code mean?
P2523 is an OBD-II diagnostic trouble code that indicates: A/C Request B Circuit Low
What causes a P2523 error code?
The most common causes of P2523 include: Open or short circuit in the circuit; Poor contact in the connector; Malfunction of the climate control unit; Air conditioning relay problems.
How do I fix a P2523 diagnostic trouble code?
To fix P2523: Check the integrity of the wires in the request circuit. Inspect and clean the contacts in the connectors. Check the operation of the air conditioner relay. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2523?
Yes, but get it checked soon
How much does it cost to fix P2523?
The estimated repair cost for P2523 is $6–56. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat