1. Check for sound in each mode (AM, FM, XM, and
disc).
Is there sound from the speakers, and is the sound quality normal in each mode?
YES-Intermittent failure. The system is OK at this time. Check for loose
connections at the navigation unit, audio unit, amplifier, and each speaker.
NO-Speaker
NOTE:
Before you troubleshoot, record all freeze data and
any on-board snapshot, and review the general
troubleshooting information.
If DTC P1128, P1129, P2228, and/or P2229 are stored
at the same time as DTC P0101, troubleshoot those
DTCs first, then recheck for DTC P0101.
1. Check for poor