B. After vehicle turns off, the device still display the RPM, switch the setting to sleep voltage, and make the value at 13.2V
8.
Auto start and stop cars
Change the Power off time to 180s
9.Wrong operation lead to crashes
Do a factory set
Why it will cause the car dashboard fault code bright?
As Universal OBD device supports multiple communication modes, and generally each car only supports one kind of the
communication protocol ,according to the protocol to pull up the unneeded pins by the pliers.(when the vehicle turns on,
unplug and OBD cable and re-plug again, it will display the protocol)
OBD Communication protocol
1.Communication protocol ISO15765 CAN Bus, keep the 4/5/6/14/16 pins, and pull up the other pins, as the below picture:
communication protocol: ISO15765 CAN Bus
