iOS & Mobile Friendly
Diagnose Your
Check Engine Light
No Bluetooth needed. Enter your trouble code manually — get a free AI diagnosis in seconds, right here on your phone.
Why not Bluetooth on iPhone?
Apple doesn't allow apps to access Bluetooth OBD2 adapters. Enter your code below — it's faster than waiting for Bluetooth anyway.
What code is your car showing?
Check your dashboard — the code starts with P, B, C, or U. Can't find it? Browse common codes.
P0300
P0420
P0171
P0128
P0442
Enter a valid OBD2 code (e.g. P0301)
optional — for more accurate results
Find it on your registration, insurance card, or driver door jamb. Helps us give more specific repair info.
VIN must be exactly 17 characters
📧 Get Bluetooth scanning on iPhone
We're working on a solution. Leave your email — we'll notify you the moment iOS Bluetooth scanning is available.