Error code
OBD2 P2518
OBD2P2518
Diagnostic Trouble Code· Standard OBD-II fault code read from the vehicle's onboard diagnostics.
What it means
A/C Refrigerant Pressure Sensor 'B' Circuit High.
Severity
moderateCan drive but may experience reduced air conditioning efficiency.
Summary
P2518 indicates that the A/C refrigerant pressure sensor B circuit has an abnormally high reading, likely due to wiring issues or sensor malfunction.
Common Causes
- Wiring short to positive
- Faulty A/C refrigerant pressure sensor
Fixes
- Replace the faulty A/C refrigerant pressure sensor or repair wiring issues.
FAQ
What does P2518 mean?
P2518 indicates a high reading in the circuit of the A/C refrigerant pressure sensor B, which can be caused by faulty wiring or a malfunctioning 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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