Please check the following in vehicle.
1. OBD device physically unplugged
Suggestion: Check to ensure OBD device is plugged in, if device is unplugged, re-plug the device
2. Loose OBD Cable Connection
Suggestion: Check and/or tighten OBD cable connection.
3. OBD device power off
Suggestion: Check the red LED on OBD device after starting engine
Also check to see if there are the 3 lights on the OBD device.
4. Blown Fuse
Suggestion: If the 3 lights do not turn on, check the fuse box to make sure the fuse for the OBD port is not blown.
5. SIM card is not properly plugged in.
Suggestion: Check that the SIM card is properly plugged into the device.
Please contact FleetUp Support at firstname.lastname@example.org or call 855-274-2886 option 3 for more information.