Speed, idle and auxiliary input codes
Quick answer
Vehicle speed sensing, idle control, cruise control, oil pressure and the auxiliary inputs the computer watches. There are 23 codes in this group on the site.
- P0500Vehicle Speed Sensor Malfunction
- P0501Vehicle Speed Sensor Range/Performance
- P0502Vehicle Speed Sensor Circuit Low Input
- P0503Vehicle Speed Sensor Intermittent/Erratic/High Input
- P0505Idle Air Control System Malfunction
- P0506Idle Air Control System RPM Lower Than Expected
- P0507Idle Air Control System RPM Higher Than Expected
- P0511Idle Air Control Circuit Malfunction
- P0520Engine Oil Pressure Sensor/Switch Circuit Malfunction
- P0521Engine Oil Pressure Sensor/Switch Range/Performance
- P0522Engine Oil Pressure Sensor/Switch Low Voltage
- P0523Engine Oil Pressure Sensor/Switch High Voltage
- P0524Engine Oil Pressure Too Low
- P0532A/C Refrigerant Pressure Sensor Circuit Low
- P0533A/C Refrigerant Pressure Sensor Circuit High
- P0560System Voltage Malfunction
- P0562System Voltage Low
- P0563System Voltage High
- P0571Cruise Control/Brake Switch A Circuit Malfunction
- P0579Cruise Control Multi-Function Input Circuit Range/Performance
- P0597Thermostat Heater Control Circuit/Open
- P0598Thermostat Heater Control Circuit Low
- P0599Thermostat Heater Control Circuit High