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The audio system has a self-diagnostic function. To run the self-diagnostic
function, do the following:
How to check for audio system condition
NOTE: The audio unit must be in the code enter screen before doing the
self-diagnostic function.
1. Turn the ignition switch to the AC
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