About

OBD2 & Dash Hub is an independent automotive diagnostic reference. We compile OBD2 fault code data from SAE J1979 standards, OEM service publications, and ASE-certified master technician field experience. Repair cost data is based on national averages from RepairPal, AAA, and community-reported data. Dashboard warning light information is compiled from NHTSA guidelines (FMVSS 101), SAE J2402 symbol standards, and manufacturer owner's manuals.

Editorial Policy: All diagnostic information is reviewed for technical accuracy. Repair cost ranges are estimates and actual costs vary by region, vehicle make/model, and shop rates. We do not provide mechanical advice — always consult a qualified mechanic for diagnosis and repair.