Code result
B0288
HVAC A/C Pressure Sensor Circuit
Moderate severity
What it means
A fault has been detected in the A/C refrigerant pressure sensor circuit. The compressor may be disabled to protect the system.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Pressure sensor failure
highOne of the most commonly reported causes for this code — check this first.
Low refrigerant charge
mediumA plausible cause — test and verify before replacing parts.
Faulty sensor connector
mediumA plausible cause — test and verify before replacing parts.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose B0288 freeNo credit card required