Diagnostic library

Find an OBD2 code

Search the code from your scanner, then narrow the library by system, severity, or code family.

9,253 diagnostic guides

Sort

Find codes by symptomChoose what you notice to search matching code guides.

Rough idle or shakingVibration while stopped Hard to startLong cranking or no-start Engine stallsCuts out at idle or on the road Hesitates or loses powerSlow response when accelerating Battery light is onCharging system warning Harsh gear changesDelayed or rough shifting

A symptom can have several causes. Treat matching codes as clues and follow the diagnostic checks in each guide.

Body & Restraints B · Body Clear all

Quick browse

Choose a vehicle system

Engine1049 Emissions515 Fuel1016 Sensors & Electronics2110 Transmission866 Electrical & Charging1797 Body & Restraints193 Chassis & Brakes479 Network & Communication1228

FiltersSeverity · family

Severity

All severities9253 Low priority305 Check soon8256 Urgent621

Code family

All families9253 P · Powertrain7353 B · Body193 C · Chassis479 U · Network1228

Vehicle coverage

These are generic OBD2 definitions. Exact make, model, engine, and year compatibility will appear after vehicle-fitment data is added.

Diagnostic codes

Showing 145–168 of 193

Most searched first

B0113Camera Washer Actuator KCheck soonBody & Restraints45–120 minutes for initial diagnosisB0113 concerns camera washer actuator k. Learn what this fault indicates and where to begin diagnosis.B0114Camera Washer Actuator LCheck soonBody & Restraints45–120 minutes for initial diagnosisB0114 concerns camera washer actuator l. Learn what this fault indicates and where to begin diagnosis.B0115Camera Washer Actuator MCheck soonBody & Restraints45–120 minutes for initial diagnosisB0115 concerns camera washer actuator m. Learn what this fault indicates and where to begin diagnosis.B0116Camera Washer Actuator NCheck soonBody & Restraints45–120 minutes for initial diagnosisB0116 concerns camera washer actuator n. Learn what this fault indicates and where to begin diagnosis.B0117Camera Washer Actuator OCheck soonBody & Restraints45–120 minutes for initial diagnosisB0117 concerns camera washer actuator o. Learn what this fault indicates and where to begin diagnosis.B0118Camera Washer Actuator PCheck soonBody & Restraints45–120 minutes for initial diagnosisB0118 concerns camera washer actuator p. Learn what this fault indicates and where to begin diagnosis.B0119Camera Washer Actuator QCheck soonBody & Restraints45–120 minutes for initial diagnosisB0119 concerns camera washer actuator q. Learn what this fault indicates and where to begin diagnosis.B011ACamera Washer Actuator RCheck soonBody & Restraints45–120 minutes for initial diagnosisB011A concerns camera washer actuator r. Learn what this fault indicates and where to begin diagnosis.B011BCamera Washer Actuator SCheck soonBody & Restraints45–120 minutes for initial diagnosisB011B concerns camera washer actuator s. Learn what this fault indicates and where to begin diagnosis.B011CFluid Reservoir Level Sensor ACheck soonBody & Restraints45–120 minutes for initial diagnosisB011C concerns fluid reservoir level sensor a. Learn what this fault indicates and where to begin diagnosis.B011DFluid Reservoir Level Sensor BCheck soonBody & Restraints45–120 minutes for initial diagnosisB011D concerns fluid reservoir level sensor b. Learn what this fault indicates and where to begin diagnosis.B011EFluid Reservoir Level Sensor CCheck soonBody & Restraints45–120 minutes for initial diagnosisB011E concerns fluid reservoir level sensor c. Learn what this fault indicates and where to begin diagnosis.B011FFluid Reservoir Level Sensor DCheck soonBody & Restraints45–120 minutes for initial diagnosisB011F concerns fluid reservoir level sensor d. Learn what this fault indicates and where to begin diagnosis.B0120Fluid Reservoir Level Sensor ECheck soonBody & Restraints45–120 minutes for initial diagnosisB0120 concerns fluid reservoir level sensor e. Learn what this fault indicates and where to begin diagnosis.B0121Fluid Reservoir Level Sensor FCheck soonBody & Restraints45–120 minutes for initial diagnosisB0121 concerns fluid reservoir level sensor f. Learn what this fault indicates and where to begin diagnosis.B0122Pedestrian Alert Speaker ACheck soonBody & Restraints45–120 minutes for initial diagnosisB0122 concerns pedestrian alert speaker a. Learn what this fault indicates and where to begin diagnosis.B0123Pedestrian Alert Speaker BCheck soonBody & Restraints45–120 minutes for initial diagnosisB0123 concerns pedestrian alert speaker b. Learn what this fault indicates and where to begin diagnosis.B0124Night Vision CameraCheck soonBody & Restraints45–120 minutes for initial diagnosisB0124 concerns night vision camera. Learn what this fault indicates and where to begin diagnosis.B0125Night Vision Control ModuleCheck soonBody & Restraints45–120 minutes for initial diagnosisB0125 concerns night vision control module. Learn what this fault indicates and where to begin diagnosis.B0126Driver Monitoring CameraCheck soonBody & Restraints45–120 minutes for initial diagnosisB0126 concerns driver monitoring camera. Learn what this fault indicates and where to begin diagnosis.B0127DC/AC Converter A High Voltage Power Outlet “A” Circuit/OpenCheck soonBody & Restraints45–120 minutes for initial diagnosisB0127 concerns dc/ac converter a high voltage power outlet “a” circuit/open. Learn what this fault indicates and where to begin diagnosis.B0128DC/AC Converter A High Voltage Power Outlet “B” Circuit/OpenCheck soonBody & Restraints45–120 minutes for initial diagnosisB0128 concerns dc/ac converter a high voltage power outlet “b” circuit/open. Learn what this fault indicates and where to begin diagnosis.B0129DC/AC Converter A High Voltage Power Outlet “C” Circuit/OpenCheck soonBody & Restraints45–120 minutes for initial diagnosisB0129 concerns dc/ac converter a high voltage power outlet “c” circuit/open. Learn what this fault indicates and where to begin diagnosis.B012ADC/AC Converter A High Voltage Power Outlet “D” Circuit/OpenCheck soonBody & Restraints45–120 minutes for initial diagnosisB012A concerns dc/ac converter a high voltage power outlet “d” circuit/open. Learn what this fault indicates and where to begin diagnosis.