Diagnostic Test
- CHECK FOR AN ACTIVE DTC
- With a scan tool, read DTCs and record on repair order.
- With the scan tool, erase DTCs.
- Turn the ignition off and remove the key from the ignition.
- Turn the ignition on, wait one minute.
- With the scan tool, read Radio DTCs.
Is the DTC active?
Yes
- Go To 2
No
- Perform the TESTING FOR AN INTERMITTENT CONDITION procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .
- CHECK THE BODY CONTROL MODULE (BCM) DTCS
- With a scan tool, read DTCs and record on repair order.
- With the scan tool, erase DTCs.
- Turn the ignition off and remove the key from the ignition.
- Turn the ignition on, wait one minute.
- With the scan tool, read BCM DTCs.
Is DTC active?
Yes
- Perform the applicable BCM DTC procedure. Refer to DIAGNOSTIC CODE INDEX .
No
- Replace the Radio in accordance with service information. Refer to RADIO, REMOVAL AND INSTALLATION .
- Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .