Diagnostic Test

READ AND RECORD DTCS AND ENVIRONMENTAL DATA - ERASE DTCS AND CHECK FOR DTC TO RETURN
1. With the scan tool, read DTCs in all Electronic Control Units (ECUs) and record on the repair order.
2. With the scan tool, run a Vehicle Scan Report, or record the Environmental Data related to the DTCs.
3. NOTE: A front door must remain open whenever checking or erasing Radio DTCs.
4. With the scan tool, record and erase the Radio DTCs.
5. Cycle the ignition switch from on to off, wait five seconds and then back to on.
6. With the scan tool, read the active Radio DTCs.
NOTE:
A front door must remain open whenever checking or erasing Radio DTCs.

Did the DTC return?

Yes
- Go To 2
No
- Perform the appropriate INTERMITTENT CONDITION diagnostic procedure. Refer to INTERMITTENT CONDITION .
CHECK THE CONNECTORS AND HARNESS
1. Turn the ignition off.
2. Disconnect the USB harness connector at the back of the radio.
3. Inspect the connectors and harness between the USB port and the radio.
  Are there any issues with the harness or connectors?
  
  Yes
  - Repair or replace as needed.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Go To 3
CHECK THE MEDIA PORT
NOTE:
This test is designed to validate the ability of the Audio/Media system to play audio from a customer's device that has been connected to the USB port on the radio or the external USB port (Universal Customer Interface (UCI) / Multi- Media port). By connecting a known good compatible device to the USB ports it will also determine if the USB port can provide power to a connected device.

It is important to determine the system features supported by the vehicle's multi-media systems, customer's personal device and their compatibility with another.

For device compatibility, refer to http://www.driveuconnect.com

Prior to performing any testing of the multi-media systems, the compatibility between the customer's personal device and the vehicle's multi-media systems must be confirmed.
1. Confirm the USB port is not a Charge only port.
2. Using a known good USB Cable, connect the USB Cable to the vehicle's USB port.
3. Connect the USB Cable to the known good compatible device.
4. Select and audio file from the known good compatible device to be heard with the volume all the way up.
5. Using the vehicle controls, place the audio system into USB Mode. (Audio system may automatically enter into USB Mode.)
  Does the Radio play audio from the known good compatible device?
  
  Yes
  - Replace the Radio in accordance with the Service Information.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Replace the Media Port in accordance with the Service Information. Refer to MEDIA HUB, REMOVAL AND INSTALLATION or MEDIA HUB, SECOND ROW, REMOVAL AND INSTALLATION or SWITCH, MEDIA HUB, REMOVAL AND INSTALLATION .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .