Diagnostic Test
CHECK FOR AN ACTIVE DTC
- With the scan tool, read DTCs and record on the repair order, then erase DTCs.
- Turn the ignition off for at least 10 seconds, then turn the ignition on.
- With the scan tool, read DTCs.
Is the DTC active?
Yes
- Perform the No Response From Radio diagnostic procedure. Refer to NO RESPONSE FROM RADIO - ETM or NO RESPONSE FROM RADIO - LTM or NO RESPONSE FROM RADIO - RRM .
No
- Perform the Stored Lost Communication DTCs diagnostic procedure. Refer to DIAGNOSIS AND TESTING .