What does code B0288 mean?

Q: What does code B0288 mean?

HVAC A/C Pressure Sensor Circuit. B0288 indicates that the HVAC (heating, ventilation, and air conditioning) control module has detected an abnormal condition in the air conditioning refrigerant pressure sensor circuit. The module monitors the sensor's signal voltage and sets this code when the voltage falls outside the expected range for the current operating conditions, which may be due to an open, short, or erratic signal.

DTC codes / B02xx · Airbags, seats, doors, lights and comfort systems / B0288

B0288HVAC A/C Pressure Sensor Circuit

B0288 indicates that the HVAC (heating, ventilation, and air conditioning) control module has detected an abnormal condition in the air conditioning refrigerant pressure sensor circuit. The module monitors the sensor's signal voltage and sets this code when the voltage falls outside the expected range for the current operating conditions, which may be due to an open, short, or erratic signal.

SystemBody

Code typeGeneric (all makes)

SeverityMedium

Fix difficultyIntermediate

AreaAirbags, seats, doors, lights and comfort systems

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.