K Tahoe 4WD V8-4.8L VIN V (2000)
Diagnostic Chart (Part 2 Of 2)
TEST DESCRIPTION
The following procedure is for improving reception performance. The vehicle must be in a area capable of transmitting and receiving cellular signals.
The following numbers refer to the steps in the table.
2. This step verifies that the phone is presently capable of placing a call.
3. This step verifies that the phone is presently capable of placing a call.
5. The vehicle needs to be in a area capable of transmitting and receiving cellular communications.
6. This step tests the antenna for proper installation and condition.
One or More Buttons Inoperative - OnStar
Diagnostic Chart (Part 1 Of 2)
