type a code or symptom — now with manufacturer-specific (P1) codes for every brand
Your make — sharpens P1 / manufacturer codes
Works on any car, 1996+. codes — generic and manufacturer-specific (P1) across 14 brands — plus it structurally decodes any valid code. Paste several for the combined story.
Common codes
Or pick a symptom
A code is a direction, not a verdict. Read the freeze frame, test before you replace, and fix the cause — not the light.
Costs are typical ranges that vary by vehicle, region & shop.
Codewise — one file, works offline, no tracking, yours to keep. Browse every code, explained →