P0530low severityPowertrain
A/C Refrigerant Pressure Sensor Circuit
on 2006 Toyota Highlander 3.0L V6 · AWD
What this code means
Malfunction in the A/C refrigerant pressure sensor circuit.
Symptoms
- Check Engine Light
- A/C not working
- A/C compressor not engaging
Common causes
- Faulty pressure sensor
- Low refrigerant level
- Wiring issue
Diagnostic steps
- Test sensor output
- Check refrigerant level
- Inspect wiring
Repair notes
Check refrigerant level first. Replace pressure sensor if faulty.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1