Error code
OBD2 P2523
OBD2P2523
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
A/C Request 'B' Circuit Low.
Severity
moderateCan drive, but the air conditioning may not work properly.
Summary
P2523 indicates that there is an issue with the A/C Request 'B' circuit, which could be related to wiring or components in the air conditioning system.
Common Causes
- Wiring short to ground
- AJC control module failure
- AJC master switch malfunction
- AJC refrigerant pressure switch/sensor issue
Fixes
FAQ
What does P2523 mean?
P2523 indicates a low signal in the A/C Request 'B' circuit, which is part of the air conditioning system.
How do I fix P2523?
Fixing P2523 typically involves checking and repairing wiring issues or replacing faulty components such as the AJC control module, master switch, or refrigerant pressure sensor.
Not affiliated with OBD2. Answer summarized from the manufacturer's manual linked above; consult that source for the authoritative procedure.
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