Diagnostic Trouble Code
P2520
More than one definition
Which fault description does your diagnostic tool show?
The same fault-code number can sometimes be used with different descriptions depending on the vehicle, manufacturer or control module. Choose the description that matches the information shown by your diagnostic equipment.
P2520
Fuel Pressure Fault — Volvo Application
On some Volvo applications, P2520 can be presented as a fuel-pressure related fault.
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P2520
A/C Request "A" Circuit Low — Generic OBD-II
The control system has detected a lower-than-expected signal in the A/C request circuit.
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Why can one code have different descriptions?
The code number alone does not always provide enough context. Check the exact description, vehicle and control module shown by your diagnostic equipment before beginning diagnosis.