P2520 A/C Request A Circuit Low

The P2520 fault code indicates a problem with the A/C Request A circuit being low. This code typically appears when the Engine Control Module (ECM) detects an abnormal voltage level in the A/C request circuit. The circuit is responsible for receiving signals from the A/C switch to activate the air conditioning system. A low signal may mean there's an issue with the wiring, connectors, or the switch itself.

https://faultcode.org/car/P2520

#P2520