With this little OBD2 Diagnostic gadget, you can easily scan via a bluetooth connection your car parameters and view if there is any errors.
Chassis / Body / Electrical System OBD2 diagnostics for 29 systems
This OBD2 Diagnostic Tool can read the vehicle error codes in real time and divides the error codes into three levels.
1.Can keep drive.
2.Please try to fix it as soon as possible.
3.Please stop it and find for solutions.