Circuit/System Verification
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. 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
- Go to next step: If no DTCs are set
- Ignition ON, infotainment system ON.
- Verify the infotainment system successfully pairs with the Multi-Media Interface Tool.
- If the infotainment system does not successfully pair with the Multi-Media Interface Tool.
- 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
- Go to next step: If equipped with an external Bluetooth® Antenna
- Replace the Bluetooth® Antenna.
- Verify the infotainment system successfully pairs with the Multi-Media Interface Tool.
- If the infotainment system does not successfully pair with the Multi-Media Interface Tool, replace the K73 Telematics Communication Interface Control Module.
- Go to next step: If the infotainment system successfully pairs with the Multi-Media Interface Tool.
- All OK.
- Go to next step: If the infotainment system successfully pairs with the Multi-Media Interface Tool.
- All OK.
NOTE:
The Multi-Media 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.