errhive/carsFind a code

MANUFACTURER REFERENCE

Generic OBD-II code references — Page 58.

Read the source definition and confirm the exact vehicle, reporting module and diagnostic procedure.

9,249 code references for Generic OBD-II

Generic OBD-II
P2531

Ignition Switch Run Position Circuit Low

PowertrainRead the code
Generic OBD-II
P2532

Ignition Switch Run Position Circuit High

PowertrainRead the code
Generic OBD-II
P2533

Ignition Switch On/Start Position Circuit

PowertrainRead the code
Generic OBD-II
P2534

Ignition Switch On/Start Position Circuit Low

PowertrainRead the code
Generic OBD-II
P2535

Ignition Switch On/Start Position Circuit High

PowertrainRead the code
Generic OBD-II
P2536

Ignition Switch Accessory Position Circuit

PowertrainRead the code
Generic OBD-II
P2537

Ignition Switch Accessory Position Circuit Low

PowertrainRead the code
Generic OBD-II
P2538

Ignition Switch Accessory Position Circuit High

PowertrainRead the code
Generic OBD-II
P2539

Low Pressure Fuel System Sensor Circuit

PowertrainRead the code
Generic OBD-II
P253A

PTO Sense Circuit/Open

PowertrainRead the code
Generic OBD-II
P253B

PTO Sense Circuit Range/Performance

PowertrainRead the code
Generic OBD-II
P253C

PTO Sense Circuit Low

PowertrainRead the code
Generic OBD-II
P253D

PTO Sense Circuit High

PowertrainRead the code
Generic OBD-II
P253E

PTO Sense Circuit Intermittent/Erratic

PowertrainRead the code
Generic OBD-II
P253F

Engine Oil Deteriorated

PowertrainRead the code
Generic OBD-II
P2540

Low Pressure Fuel System Sensor Circuit Range/Performance

PowertrainRead the code
Generic OBD-II
P2541

Low Pressure Fuel System Sensor Circuit Low

PowertrainRead the code
Generic OBD-II
P2542

Low Pressure Fuel System Sensor Circuit High

PowertrainRead the code
Generic OBD-II
P2543

Low Pressure Fuel System Sensor Circuit Intermittent

PowertrainRead the code
Generic OBD-II
P2544

Torque Management Request Input Signal A

PowertrainRead the code
Generic OBD-II
P2545

Torque Management Request Input Signal A Range/Performance

PowertrainRead the code
Generic OBD-II
P2546

Torque Management Request Input Signal A Low

PowertrainRead the code
Generic OBD-II
P2547

Torque Management Request Input Signal A High

PowertrainRead the code
Generic OBD-II
P2548

Torque Management Request Input Signal B

PowertrainRead the code
Generic OBD-II
P2549

Torque Management Request Input Signal B Range/Performance

PowertrainRead the code
Generic OBD-II
P254A

PTO Speed Selector Sensor/Switch 1 Circuit/Open

PowertrainRead the code
Generic OBD-II
P254B

PTO Speed Selector Sensor/Switch 1 Range/Performance

PowertrainRead the code
Generic OBD-II
P254C

PTO Speed Selector Sensor/Switch 1 Circuit Low

PowertrainRead the code
Generic OBD-II
P254D

PTO Speed Selector Sensor/Switch 1 Circuit High

PowertrainRead the code
Generic OBD-II
P254E

PTO Speed Selector Sensor/Switch 1 Circuit Intermittent/Erratic

PowertrainRead the code
Generic OBD-II
P254F

Engine Hood Switch Circuit

PowertrainRead the code
Generic OBD-II
P2550

Torque Management Request Input Signal B Low

PowertrainRead the code
Generic OBD-II
P2551

Torque Management Request Input Signal B High

PowertrainRead the code
Generic OBD-II
P2552

Throttle/Fuel Inhibit A Circuit

PowertrainRead the code
Generic OBD-II
P2553

Throttle/Fuel Inhibit A Circuit Range/Performance

PowertrainRead the code
Generic OBD-II
P2554

Throttle/Fuel Inhibit A Circuit Low

PowertrainRead the code
Generic OBD-II
P2555

Throttle/Fuel Inhibit A Circuit High

PowertrainRead the code
Generic OBD-II
P2556

Engine Coolant Level Sensor/Switch Circuit

PowertrainRead the code
Generic OBD-II
P2557

Engine Coolant Level Sensor/Switch Circuit Range/Performance

PowertrainRead the code
Generic OBD-II
P2558

Engine Coolant Level Sensor/Switch Circuit Low

PowertrainRead the code
Generic OBD-II
P2559

Engine Coolant Level Sensor/Switch Circuit High

PowertrainRead the code
Generic OBD-II
P255A

PTO Speed Selector Sensor/Switch 2 Circuit/Open

PowertrainRead the code
Generic OBD-II
P255B

PTO Speed Selector Sensor/Switch 2 Range/Performance

PowertrainRead the code
Generic OBD-II
P255C

PTO Speed Selector Sensor/Switch 2 Circuit Low

PowertrainRead the code
Generic OBD-II
P255D

PTO Speed Selector Sensor/Switch 2 Circuit High

PowertrainRead the code
Generic OBD-II
P255E

PTO Speed Selector Sensor/Switch 2 Circuit Intermittent/Erratic

PowertrainRead the code
Generic OBD-II
P255F

A/C Request A Circuit Range/Performance

PowertrainRead the code
Generic OBD-II
P2560

Engine Coolant Level Low

PowertrainRead the code
Generic OBD-II
P2561

A/C Control Module Requested MIL Illumination

PowertrainRead the code
Generic OBD-II
P2562

Turbocharger Boost Control Position Sensor A Circuit

PowertrainRead the code
Generic OBD-II
P2563

Turbocharger Boost Control Position Sensor A Circuit Range/Performance

PowertrainRead the code
Generic OBD-II
P2564

Turbocharger Boost Control Position Sensor A Circuit Low

PowertrainRead the code
Generic OBD-II
P2565

Turbocharger Boost Control Position Sensor A Circuit High

PowertrainRead the code
Generic OBD-II
P2566

Turbocharger Boost Control Position Sensor A Circuit Intermittent

PowertrainRead the code
Generic OBD-II
P2567

Direct Ozone Reduction Catalyst Temperature Sensor Circuit

PowertrainRead the code
Generic OBD-II
P2568

Direct Ozone Reduction Catalyst Temperature Sensor Circuit Range/Performance

PowertrainRead the code
Generic OBD-II
P2569

Direct Ozone Reduction Catalyst Temperature Sensor Circuit Low

PowertrainRead the code
Generic OBD-II
P256A

Engine Idle Speed Selector Sensor/Switch Circuit/Open

PowertrainRead the code
Generic OBD-II
P256B

Engine Idle Speed Selector Sensor/Switch Range/Performance

PowertrainRead the code
Generic OBD-II
P256C

Engine Idle Speed Selector Sensor/Switch Circuit Low

PowertrainRead the code
Generic OBD-II
P256D

Engine Idle Speed Selector Sensor/Switch Circuit High

PowertrainRead the code
Generic OBD-II
P256E

Engine Idle Speed Selector Sensor/Switch Circuit Intermittent/Erratic

PowertrainRead the code
Generic OBD-II
P256F

A/C Request B Circuit Range/Performance

PowertrainRead the code
Generic OBD-II
P2570

Direct Ozone Reduction Catalyst Temperature Sensor Circuit High

PowertrainRead the code
Generic OBD-II
P2571

Direct Ozone Reduction Catalyst Temperature Sensor Circuit Intermittent/Erratic

PowertrainRead the code
Generic OBD-II
P2572

Direct Ozone Reduction Catalyst Deterioration Sensor Circuit

PowertrainRead the code
Generic OBD-II
P2573

Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Range/Performance

PowertrainRead the code
Generic OBD-II
P2574

Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Low

PowertrainRead the code
Generic OBD-II
P2575

Direct Ozone Reduction Catalyst Deterioration Sensor Circuit High

PowertrainRead the code
Generic OBD-II
P2576

Direct Ozone Reduction Catalyst Deterioration Sensor Circuit Intermittent/Erratic

PowertrainRead the code
Generic OBD-II
P2577

Direct Ozone Reduction Catalyst Efficiency Below Threshold

PowertrainRead the code
Generic OBD-II
P2578

Turbocharger/Supercharger Speed Sensor A Circuit

PowertrainRead the code
Generic OBD-II
P2579

Turbocharger/Supercharger Speed Sensor A Circuit Range/Performance

PowertrainRead the code
Generic OBD-II
P257A

Vacuum Reservoir Control Circuit/Open

PowertrainRead the code
Generic OBD-II
P257B

Vacuum Reservoir Control Circuit Low

PowertrainRead the code
Generic OBD-II
P257C

Vacuum Reservoir Control Circuit High

PowertrainRead the code
Generic OBD-II
P257D

Engine Hood Switch Circuit Range/Performance

PowertrainRead the code
Generic OBD-II
P257E

Engine Hood Switch Circuit Low

PowertrainRead the code
Generic OBD-II
P257F

Engine Hood Switch Circuit High

PowertrainRead the code
Generic OBD-II
P2580

Turbocharger/Supercharger Speed Sensor A Circuit Low

PowertrainRead the code
Generic OBD-II
P2581

Turbocharger/Supercharger Speed Sensor A Circuit High

PowertrainRead the code
Generic OBD-II
P2582

Turbocharger/Supercharger Speed Sensor A Circuit Intermittent

PowertrainRead the code
Generic OBD-II
P2583

Cruise Control Front Distance Range Sensor Single Sensor or Center

PowertrainRead the code
Generic OBD-II
P2584

Fuel Additive Control Module Requested MIL Illumination

PowertrainRead the code
Generic OBD-II
P2585

Fuel Additive Control Module Warning Lamp Request

PowertrainRead the code
Generic OBD-II
P2586

Turbocharger Boost Control Position Sensor B Circuit

PowertrainRead the code
Generic OBD-II
P2587

Turbocharger Boost Control Position Sensor B Circuit Range/Performance

PowertrainRead the code
Generic OBD-II
P2588

Turbocharger Boost Control Position Sensor B Circuit Low

PowertrainRead the code
Generic OBD-II
P2589

Turbocharger Boost Control Position Sensor B Circuit High

PowertrainRead the code
Generic OBD-II
P258A

Vacuum Pump Control Circuit A/Open

PowertrainRead the code
Generic OBD-II
P258B

Vacuum Pump Control Circuit A Range/Performance

PowertrainRead the code
Generic OBD-II
P258C

Vacuum Pump Control Circuit A Low

PowertrainRead the code
Generic OBD-II
P258D

Vacuum Pump Control Circuit A High

PowertrainRead the code
Generic OBD-II
P258E

PTO Enable Switch Performance

PowertrainRead the code
Generic OBD-II
P258F

Torque Management Request Output Signal

PowertrainRead the code
Generic OBD-II
P2590

Turbocharger Boost Control Position Sensor B Circuit Intermittent/Erratic

PowertrainRead the code
Generic OBD-II
P2591

Cruise Control Front Distance Range Sensor Left

PowertrainRead the code
Generic OBD-II
P2592

Cruise Control Front Distance Range Sensor Right

PowertrainRead the code
Generic OBD-II
P2593

Turbocharger Speed Sensor B Circuit

PowertrainRead the code
Generic OBD-II
P2594

Turbocharger Speed Sensor B Circuit Range/Performance

PowertrainRead the code

These are code references, not a list of confirmed faults on every vehicle. Read the source and applicability notes, then match the exact vehicle, year, engine and scan report.