Circuit/System Verification
WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
- Verify no DTCs are present.
- If any DTCs are present
Refer to Diagnostic Trouble Code (DTC) List - Vehicle .
- Go to next step: If no DTCs are present
- If any DTCs are present
- Verify the A11 Radio calibrations are current.
- If the radio calibrations are not current
Reprogram the A11 Radio and re-evaluate the concern.
- Go to next step: If no update calibrations are available
- If the radio calibrations are not current
- Ignition ON, infotainment system ON.
- Verify the infotainment system successfully pairs with the MIT tool.
- If the infotainment system does not successfully pair with the MIT tool.
Replace the A11 Radio.
- Go to next step: If the infotainment system successfully pairs with the MIT tool.
- If the infotainment system does not successfully pair with the MIT tool.
- Verify the infotainment system successfully completes the desired feature test using the MIT tool.
- If the feature test is not successful
Replace the A11 Radio.
- Go to next step: If the feature test is successful
- If the feature test is not successful
- All OK. Refer to Diagnostic Aids.
NOTE:
The MIT 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.