Speed & Idle Control Codes
32 diagnostic trouble codes in this system.
P0500
Vehicle Speed Sensor (VSS) Malfunction
P0501Vehicle Speed Sensor A Circuit Range/Performance
P0502Vehicle Speed Sensor A Circuit Low Input
P0503Vehicle Speed Sensor A Circuit Intermittent/Erratic/High
P0505Idle Control System Malfunction
P0506Idle Air Control System RPM Lower Than Expected
P0507Idle Air Control System RPM Higher Than Expected
P0510Closed Throttle Position Switch Fault
P0523Engine Oil Pressure Sensor/Switch A High Input
P0530A/C Refrigerant Pressure Sensor A Circuit Fault
P0531A/C Refrigerant Pressure Sensor A Range/Performance
P0534A/C Refrigerant Charge Loss
P0550Power Steering Pressure Sensor/Switch Circuit Fault
P0551Power Steering Pressure Sensor/Switch Range/Performance
P0552Power Steering Pressure Sensor/Switch Circuit Low
P0553Power Steering Pressure Sensor/Switch Circuit High
P0554Power Steering Pressure Sensor/Switch Circuit Intermittent
P0563System Voltage High
P0565Cruise Control On Signal
P0566Cruise Control Off Signal
P0567Cruise Control Resume Signal
P0568Cruise Control Set Signal
P0569Cruise Control Coast Signal
P0570Cruise Control Accelerate Signal
P0572Brake Switch A Circuit Low
P0573Brake Switch A Circuit High
P0574Cruise Control System - Vehicle Speed Too High
P0575Cruise Control Input Circuit
P0576Cruise Control Input Circuit Low
P0578Cruise Control Multi-Function Input A Circuit Stuck
P0579Cruise Control Multi-Function Input A Circuit Range/Performance
P0580Cruise Control Multi-Function Input A Circuit Low