






🚗 Unlock your car’s secrets with a tap—diagnostics made effortless!
The ATOTO AC-4450 is a compact Bluetooth OBD2 scanner designed for Android car stereos and smartphones. It offers real-time engine diagnostics, trouble code reading, and broad compatibility with most gas-powered vehicles from 1996 onward. Lightweight and easy to use, it pairs seamlessly with ATOTO’s A5, A6, S8, X10, and P9 series, backed by 12 months of dedicated customer support.
| Manufacturer | ATOTO |
| Brand | ATOTO |
| Model | On-Board Diagnostics |
| Item Weight | 0.634 ounces |
| Package Dimensions | 3.98 x 2.52 x 1.06 inches |
| Country of Origin | China |
| Item model number | AC-4450 |
| Manufacturer Part Number | On-Board Diagnostics |
C**H
Works great
Works great and pairs easily with my Atoto X10 stereo
J**D
Not needed
It works but has issue staying connected.
J**.
Be patient and check your settings...
Took a few minutes for the receiver to recognize the dongle but it actually works!!
S**.
Connection compatibility
Device would not connect by Bluetooth on cellphone nor on Android headunit. Software on cellphone & headunit have Android 10. Once i downloaded the device app to the headunit the radio headunit is not compatible with device
G**R
Must unplug when not in use
Works great but then doesn’t work if you leave in plugged in all the time.
P**E
love it
Installed in in my truck. Love the fact I can monitor my truck while through my system.
A**R
Great addition
Installed with the new head unit. Took a little messing around with settings before having a connection, but now works great.
I**N
no connection
it was well made .Trying to connect Atoto radio app on the radio never connected all the way
Trustpilot
2 months ago
3 days ago