Possible Causes
| Possible Causes |
|---|
| BAD ANTENNA CONNECTION |
| CELLULAR ANTENNA CABLE SHORTED TO GROUND |
| CELLULAR ANTENNA SHORTED TO GROUND |
| GLOBAL TELEMATICS BOX MODULE (TBM2) |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .