General Motors Tech2 User Guide
76
• DLC cable not properly connected
• Poor Burndy cable connection to the CANdi module
• Worn or damaged cable that results in a poor connection between the CANdi
module and the VCI If this occurs, check all Tech2 and CANdi module connections,
power off the Tech2 and start again.
If problem persists perform the troubleshooting tests at the F4 Option - on the self-test
menu.
Tech2 lost communication with the CANdi module screen
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