P05xx OBD2 Trouble Codes
This is the listing of P05xx OBD2 diagnostic trouble codes (DTCs). They all start with P05, e.g., P0507, P0580. The first letter P indicates that they are powertrain related codes, the next two digits 05 indicate they are vehicle speed controls and idle control systems related codes. The codes below are considered generic because they apply to all makes/models of OBD2 vehicles, although specific diagnosis & repair steps may vary.
P0500-P0599 Trouble Codes - Vehicle Speed Controls and Idle Control System
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Code(s) | Description |
---|---|
P0500 | Vehicle Speed Sensor "A" Malfunction |
P0501 | Vehicle Speed Sensor "A" Range/Performance |
P0502 | Vehicle Speed Sensor "A" Low Input |
P0503 | Vehicle Speed Sensor "A" Intermittent/Erratic/High |
P0504 | Brake Switch "A"/"B" Correlation |
P0505 | Idle Control System Malfunction |
P0506 | Idle Control System RPM Lower Than Expected |
P0507 | Idle Control System RPM Higher Than Expected |
P0508 | Idle Air Control System Circuit Low |
P0509 | Idle Air Control System Circuit High |
P050A | Cold Start Idle Air Control System Performance |
P050B | Cold Start Ignition Timing Performance |
P050C | Cold Start Engine Coolant Temperature Performance |
P050D | Cold Start Rough Idle |
P050E | Cold Start Engine Exhaust Temperature Too Low |
P050F | Brake Assist Vacuum Too Low |
P0510 | Closed Throttle Position Switch Malfunction |
P0511 | Idle Air Control Circuit |
P0512 | Starter Request Circuit |
P0513 | Incorrect Immobilizer Key |
P0514 | Battery Temperature Sensor Circuit Range/Performance |
P0515 | Battery Temperature Sensor Circuit |
P0516 | Battery Temperature Sensor Circuit Low |
P0517 | Battery Temperature Sensor Circuit High |
P0518 | Idle Air Control Circuit Intermittent |
P0519 | Idle Air Control System Performance |
P051A | Crankcase Pressure Sensor Circuit |
P051B | Crankcase Pressure Sensor Circuit Range/Performance |
P051C | Crankcase Pressure Sensor Circuit Low |
P051D | Crankcase Pressure Sensor Circuit High |
P051E | Crankcase Pressure Sensor Circuit Intermittent/Erratic |
P051F | Positive Crankcase Ventilation Filter Restriction |
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 |
P0524 | Engine Oil Pressure Too Low |
P0525 | Cruise Control Servo Control Circuit Range/Performance |
P0526 | Fan Speed Sensor Circuit |
P0527 | Fan Speed Sensor Circuit Range/Performance |
P0528 | Fan Speed Sensor Circuit No Signal |
P0529 | Fan Speed Sensor Circuit Intermittent |
P052A | Cold Start "A" Camshaft Position Timing Over-Advanced Bank 1 |
P052B | Cold Start "A" Camshaft Position Timing Over-Retarded Bank 1 |
P052C | Cold Start "A" Camshaft Position Timing Over-Advanced Bank 2 |
P052D | Cold Start "A" Camshaft Position Timing Over-Retarded Bank 2 |
P052E | Positive Crankcase Ventilation Regulator Valve Performance |
P052F | ISO/SAE Reserved |
P0530 | A/C Refrigerant Pressure Sensor "A" Circuit |
P0531 | A/C Refrigerant Pressure Sensor "A" Circuit Range/Performance |
P0532 | A/C Refrigerant Pressure Sensor "A" Circuit Low |
P0533 | A/C Refrigerant Pressure Sensor "A" Circuit High |
P0534 | Air Conditioner Refrigerant Charge Loss |
P0535 | A/C Evaporator Temperature Sensor Circuit |
P0536 | A/C Evaporator Temperature Sensor Circuit Range/Performance |
P0537 | A/C Evaporator Temperature Sensor Circuit Low |
P0538 | A/C Evaporator Temperature Sensor Circuit High |
P0539 | A/C Evaporator Temperature Sensor Circuit Intermittent |
P053A | Positive Crankcase Ventilation Heater Control Circuit /Open |
P053B | Positive Crankcase Ventilation Heater Control Circuit Low |
P053C | Positive Crankcase Ventilation Heater Control Circuit High |
P053D, P053E, P053F | ISO/SAE Reserved |
P0540 | Intake Air Heater "A" Circuit |
P0541 | Intake Air Heater "A" Circuit Low |
P0542 | Intake Air Heater "A" Circuit High |
P0543 | Intake Air Heater "A" Circuit Open |
P0544 | Exhaust Gas Temperature Sensor Circuit (Bank 1 Sensor 1) |
P0545 | Exhaust Gas Temperature Sensor Circuit Low (Bank 1 Sensor 1) |
P0546 | Exhaust Gas Temperature Sensor Circuit High (Bank 1 Sensor 1) |
P0547 | Exhaust Gas Temperature Sensor Circuit (Bank 2 Sensor 1) |
P0548 | Exhaust Gas Temperature Sensor Circuit Low (Bank 2 Sensor 1) |
P0549 | Exhaust Gas Temperature Sensor Circuit High (Bank 2 Sensor 1) |
P054A | Cold Start "B" Camshaft Position Timing Over-Advanced Bank 1 |
P054B | Cold Start "B" Camshaft Position Timing Over-Retarded Bank 1 |
P054C | Cold Start "B" Camshaft Position Timing Over-Advanced Bank 2 |
P054D | Cold Start "B" Camshaft Position Timing Over-Retarded Bank 2 |
P054E, P054F | ISO/SAE Reserved |
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 |
P0555 | Brake Booster Pressure Sensor Circuit |
P0556 | Brake Booster Pressure Sensor Circuit Range/Performance |
P0557 | Brake Booster Pressure Sensor Circuit Low |
P0558 | Brake Booster Pressure Sensor Circuit High |
P0559 | Brake Booster Pressure Sensor Circuit Intermittent |
P055A, P055B, P055C, P055D, P055E, P055F | ISO/SAE Reserved |
P0560 | System Voltage Malfunction |
P0561 | System Voltage Unstable |
P0562 | System Voltage Low |
P0563 | System Voltage High |
P0564 | Cruise Control Multi-Function Input "A" Circuit |
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 |
P056A | Cruise Control "Increase Distance" Signal |
P056B | Cruise Control "Decrease Distance" Signal |
P056C, P056D, P056E, P056F | ISO/SAE Reserved |
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 System - Vehicle Speed Too High |
P0575 | Cruise Control Input Circuit |
P0576 | Cruise Control Input Circuit Low |
P0577 | Cruise Control Input Circuit High |
P0578 | Cruise Control Multi-Function Input "A" Circuit Stuck |
P0579 | Cruise Control Multi-Function Input "A" Circuit Range/Performance |
P057A, P057B, P057C, P057D, P057E, P057F | ISO/SAE Reserved |
P0580 | Cruise Control Multi-Function Input "A" Circuit Low |
P0581 | Cruise Control Multi-Function Input "A" Circuit High |
P0582 | Cruise Control Vacuum Control Circuit /Open |
P0583 | Cruise Control Vacuum Control Circuit Low |
P0584 | Cruise Control Vacuum Control Circuit High |
P0585 | Cruise Control Multi-Function Input "A"/"B" Correlation |
P0586 | Cruise Control Vent Control Circuit/Open |
P0587 | Cruise Control Vent Control Circuit Low |
P0588 | Cruise Control Vent Control Circuit High |
P0589 | Cruise Control Multi-Function Input "B" Circuit |
P058A, P058B, P058C, P058D, P058E, P058F | ISO/SAE Reserved |
P0590 | Cruise Control Multi-Function Input "B" Circuit Stuck |
P0591 | Cruise Control Multi-Function Input "B" Circuit Range/Performance |
P0592 | Cruise Control Multi-Function Input "B" Circuit Low |
P0593 | Cruise Control Multi-Function Input "B" Circuit High |
P0594 | Cruise Control Servo Control Circuit/Open |
P0595 | Cruise Control Servo Control Circuit Low |
P0596 | Cruise Control Servo Control Circuit High |
P0597 | Thermostat Heater Control Circuit/Open |
P0598 | Thermostat Heater Control Circuit Low |
P0599 | Thermostat Heater Control Circuit High |
P059A - P05FF | ISO/SAE Reserved |