Fault Codes · Page 8
OBD-II, SAE and manufacturer-specific fault codes with meaning, symptoms, freeze-frame, live data, circuit testing and post-repair verification.
Alphabetical technical index
P0485 · Cooling Fan Power/Ground Circuit Malfunction
P0485: Cooling Fan Power/Ground Circuit Malfunction. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0491 · Secondary Air Injection System Insufficient Flow Bank 1
P0491: Secondary Air Injection System Insufficient Flow Bank 1. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0492 · Secondary Air Injection System Insufficient Flow Bank 2
P0492: Secondary Air Injection System Insufficient Flow Bank 2. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0500 · Vehicle Speed Sensor A Circuit Malfunction
P0500: Vehicle Speed Sensor A Circuit Malfunction. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0501 · Vehicle Speed Sensor A Range/Performance
P0501: Vehicle Speed Sensor A Range/Performance. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0502 · Vehicle Speed Sensor A Low Input
P0502: Vehicle Speed Sensor A Low Input. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0503 · Vehicle Speed Sensor A Intermittent/Erratic/High
P0503: Vehicle Speed Sensor A Intermittent/Erratic/High. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0504 · Vehicle Speed Sensor A Circuit Intermittent
P0504: Vehicle Speed Sensor A Circuit Intermittent. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0505 · Idle Air Control System Malfunction
P0505: Idle Air Control System Malfunction. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0506 · Idle Air Control System RPM Lower Than Expected
P0506: Idle Air Control System RPM Lower Than Expected. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0507 · Idle Air Control System RPM Higher Than Expected
P0507: Idle Air Control System RPM Higher Than Expected. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0510 · Closed Throttle Position Switch Malfunction
P0510: Closed Throttle Position Switch Malfunction. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0520 · Engine Oil Pressure Sensor/Switch Circuit Malfunction
P0520: Engine Oil Pressure Sensor/Switch Circuit Malfunction. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0521 · Engine Oil Pressure Sensor/Switch Range/Performance
P0521: Engine Oil Pressure Sensor/Switch Range/Performance. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0522 · Engine Oil Pressure Sensor/Switch Low Voltage
P0522: Engine Oil Pressure Sensor/Switch Low Voltage. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0523 · Engine Oil Pressure Sensor/Switch High Voltage
P0523: Engine Oil Pressure Sensor/Switch High Voltage. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0530 · A/C Refrigerant Pressure Sensor A Circuit Malfunction
P0530: A/C Refrigerant Pressure Sensor A Circuit Malfunction. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0531 · A/C Refrigerant Pressure Sensor A Circuit Range/Performance
P0531: A/C Refrigerant Pressure Sensor A Circuit Range/Performance. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0532 · A/C Refrigerant Pressure Sensor A Circuit Low Input
P0532: A/C Refrigerant Pressure Sensor A Circuit Low Input. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0533 · A/C Refrigerant Pressure Sensor A Circuit High Input
P0533: A/C Refrigerant Pressure Sensor A Circuit High Input. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0534 · A/C Refrigerant Charge Loss
P0534: A/C Refrigerant Charge Loss. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0550 · Power Steering Pressure Sensor/Switch Circuit Malfunction
P0550: Power Steering Pressure Sensor/Switch Circuit Malfunction. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0551 · Power Steering Pressure Sensor/Switch Circuit Range/Performance
P0551: Power Steering Pressure Sensor/Switch Circuit Range/Performance. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0552 · Power Steering Pressure Sensor/Switch Circuit Low Input
P0552: Power Steering Pressure Sensor/Switch Circuit Low Input. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0553 · Power Steering Pressure Sensor/Switch Circuit High Input
P0553: Power Steering Pressure Sensor/Switch Circuit High Input. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0554 · Power Steering Pressure Sensor/Switch Circuit Intermittent
P0554: Power Steering Pressure Sensor/Switch Circuit Intermittent. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0560 · System Voltage Malfunction
P0560: System Voltage Malfunction. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0561 · System Voltage Unstable
P0561: System Voltage Unstable. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0562 · System Voltage Low
P0562: System Voltage Low. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0563 · System Voltage High
P0563: System Voltage High. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0565 · Cruise Control On Signal Malfunction
P0565: Cruise Control On Signal Malfunction. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0566 · Cruise Control Off Signal Malfunction
P0566: Cruise Control Off Signal Malfunction. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0567 · Cruise Control Resume Signal Malfunction
P0567: Cruise Control Resume Signal Malfunction. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0568 · Cruise Control Set Signal Malfunction
P0568: Cruise Control Set Signal Malfunction. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0569 · Cruise Control Coast Signal Malfunction
P0569: Cruise Control Coast Signal Malfunction. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0570 · Cruise Control Accel Signal Malfunction
P0570: Cruise Control Accel Signal Malfunction. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0571 · Cruise Control/Brake Switch A Circuit Malfunction
P0571: Cruise Control/Brake Switch A Circuit Malfunction. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0572 · Cruise Control/Brake Switch A Circuit Low
P0572: Cruise Control/Brake Switch A Circuit Low. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0573 · Cruise Control/Brake Switch A Circuit High
P0573: Cruise Control/Brake Switch A Circuit High. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0600 · Serial Communication Link Malfunction
P0600: Serial Communication Link Malfunction. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0601 · Internal Control Module Memory Check Sum Error
P0601: Internal Control Module Memory Check Sum Error. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0602 · Control Module Programming Error
P0602: Control Module Programming Error. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0603 · Internal Control Module Keep Alive Memory Error
P0603: Internal Control Module Keep Alive Memory Error. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0604 · Internal Control Module Random Access Memory Error
P0604: Internal Control Module Random Access Memory Error. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0605 · Internal Control Module Read Only Memory Error
P0605: Internal Control Module Read Only Memory Error. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0606 · PCM/ECM Processor Fault
P0606: PCM/ECM Processor Fault. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0607 · Control Module Performance
P0607: Control Module Performance. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
P0608 · Control Module Vehicle Speed Sensor Output A Malfunction
P0608: Control Module Vehicle Speed Sensor Output A Malfunction. The dossier separates circuit logic, freeze-frame context, live data, meter/scope tests and repair verification by diagnostic system.
Sources & freshness
Exact technical values, prices and failure rates are not invented without verified vehicle/manufacturer evidence.