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Home >> Chevrolet >> 2013 >> Traverse LS, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 17 (Cellular Systems, Entertainment Systems & Navigation Systems) >> Diagnostic Information and Procedures >> Cellular Telephone Conversation Partner Does Not Hear You >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2010 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.

Ignition ON, observe the scan tool Microphone Signal parameter. The reading should be between 2-5 V.