A/C Refrigerant Pressure Sensor "A" Circuit
General electrical fault on the A/C refrigerant pressure sensor circuit. The ECU uses this signal to enable the compressor and cooling fan; without it the A/C is typically disabled.
Affected components
- Ac pressure sensor
- Ac sensor wiring
Common causes
- High likelihood: A/C pressure sensor failed
- Medium likelihood: Wiring or connector fault
Diagnostic notes
- The malfunction indicator lamp may illuminate
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.