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TuningBot DTC Database · v4.37.15

P2518 A/C refrigerant pressure sensor B - circuit high

Generic (OBD-II) interpretation in the TuningBot DTC database.

P · PowertrainClimate_controlOBD2

What P2518 means

P2518
A/C refrigerant pressure sensor B - circuit high Generic · climate_control Data confidence 78%

The control module detected that the signal in the A/C refrigerant pressure sensor B circuit stayed above the expected operating range.

Possible causes

  • Wiring short to positive
  • AIC refrigerant pressure sensor

Related and nearby codes

How to read P2518

P

Powertrain: engine, transmission and driveline systems.

2

Generic SAE-standard code: same meaning on every make.

518

Specific fault index within the subsystem.

Frequently asked questions about P2518

What does P2518 mean?

A/C refrigerant pressure sensor B - circuit high. The control module detected that the signal in the A/C refrigerant pressure sensor B circuit stayed above the expected operating range.

Is P2518 generic or manufacturer-specific?

P2518 is a generic OBD-II code: it has the same meaning on every make and model that follows the SAE standard.

Can TuningBot remove P2518 at file level?

If the fault logic lives in the ECU calibration, yes: our DTC Removal file service disables the specific fault entry. Checksum correction is not included: it is a separate, optional service. Not sure whether your case qualifies? Request a free assessment and our engineers will check your ECU file.

Other file services

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