Circuit/System Verification

WARNING: This page is about a different car, the 2014 Chevrolet Sonic. However, it is still accessible from the selected car via links, so may be relevant.

Ignition ON.
Verify no DTCs are set.
- If any DTCs are set
  Refer to Diagnostic Trouble Code (DTC) List - Vehicle
- If no DTCs are set
Ignition ON, infotainment system ON.
NOTE: The Multimedia Interface Tool can be used to test either cellular phone or streaming audio functions. Refer to the tool instructions and perform the appropriate test(s) related to the customers concern in the following steps.
Verify the infotainment system successfully pairs with the Multimedia Interface Tool.
- If the infotainment system does not successfully pair with the Multimedia Interface Tool.
1. Verify the vehicle is equipped with an external Bluetooth® Antenna.
  - If not equipped with an external Bluetooth® Antenna, replace the K73 Telematics Communication Interface Control Module
  - If equipped with an external Bluetooth® Antenna
2. Replace the Bluetooth® Antenna.
3. Verify the infotainment system successfully pairs with the Multimedia Interface Tool.
  - If the infotainment system does not successfully pair with the Multimedia Interface Tool, replace the K73 Telematics Communication Interface Control Module.
  - If the infotainment system successfully pairs with the Multimedia Interface Tool.
4. All OK.
- If the infotainment system successfully pairs with the Multimedia Interface Tool.
All OK.