B0288
HVAC A/C Pressure Sensor Circuit
A fault has been detected in the A/C refrigerant pressure sensor circuit. The compressor may be disabled to protect the system.
A fault has been detected in the A/C refrigerant pressure sensor circuit. The compressor may be disabled to protect the system.
Common causes
- high
Pressure sensor failure
One of the most commonly reported causes for this code — check this first.
Typical part cost: $70-280
- medium
Low refrigerant charge
A plausible cause — test and verify before replacing parts.
Typical part cost: $70-280
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does B0288 mean?
B0288 means "HVAC A/C Pressure Sensor Circuit". It is a generic OBD-II code that points to a fault in the body.
What are the most common causes of B0288?
pressure sensor failure; low refrigerant charge; faulty sensor connector — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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