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Diagnostic Trouble Codes

P0100 - P0199 P0500 - P0599 P0900 - P0999 P1300 - P1399 P1700 - P1799
P0200 - P0299 P0600 - P0699 P1000 - P1099 P1400 - P1499 P1800 - P1899
P0300 - P0399 P0700 - P0799 P1100 - P1199 P1500 - P1599  
P0400 - P0499 P0800 - P0899 P1200 - P1299 P1600 - P1699  
PO500 - PO599 Numbered Code Identification Chart

P0500 Vehicle Speed Sensor Malfunction

P0501 Vehicle Speed Sensor Range/Performance

P0502 Vehicle Speed Sensor Low Input

P0503 Vehicle Speed Sensor Intermittent/Erratic/Higg

P0505 Idle Control System Malfunction

P0506 Idle Control System RPM Lower Than Expected

P0507 Idle Control System RPM Higher Than Expected

P0510 Closed Throttle Position Switch Malfunction

P0520 Engine Oil Pressure Sensor/Switch Circuit Malfunction

P0521 Engine Oil Pressure Sensor/Switch Circuit Range/Performance

P0522 Engine Oil Pressure Sensor/Switch Circuit Low Voltage

P0523 Engine Oil Pressure Sensor/Switch Circuit High Voltage

P0530 A/C Refrigerant Pressure Sensor Circuit Malfunction

P0531 A/C Refrigerant Pressure Sensor Circuit Range/Performance

P0532 A/C Refrigerant Pressure Sensor Circuit Low Input

P0533 A/C Refrigerant Pressure Sensor Circuit High Input

P0534 Air Conditioner Refrigerant Charge Loss

P0550 Power Steering Pressure Sensor Circuit Malfunction

P0551 Power Steering Pressure Sensor Circuit Range/Performance

P0552 Power Steering Pressure Sensor Circuit Low Input

P0553 Power Steering Pressure Sensor Circuit High Input

P0554 Power Steering Pressure Sensor Circuit Intermittent

P0560 System Voltage Malfunction

P0561 System Voltage Unstable

P0562 System Voltage Low

P0563 System Voltage High

P0565 CRUISE CONTROL ON SIGNAL MALFUNCTION

P0566 Cruise Control Off Signal Malfunction

P0567 Cruise Control Resume Signal Malfunction

P0568 Cruise Control Set Signal Malfunction

P0569 Cruise Control Coast Signal Malfunction

P0570 Cruise Control Accel Signal Malfunction

P0571 Cruise Control/Brake Switch A Circuit Malfunction

P0572 Cruise Control/Brake Switch A Circuit Low

P0573 Cruise Control/Brake Switch A Circuit High

P0574 Cruise Control Related Malfunction

P0575 Cruise Control Related Malfunction

P0576 Cruise Control Related Malfunction

P0577 Cruise Control Related Malfunction

P0578 Cruise Control Related Malfunction

P0579 Cruise Control Related Malfunction

P0580 Cruise Control Related Malfunction

(note: the diagnostic trouble codes listed are the most likely definition, some manufactures have specific codes for individual models. If the trouble code listed does not apply to your vehicle consult an Car Repair Manual)


Look up Trouble code questions in our Car Repair forum section.

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