DTC B121C-13: Hard Drive - Circuit open: Action
NOTE:
This DTC may be set even though no fault condition is present and should be ignored unless the customer has reported a navigation system concern. Clear the DTC and retest. Verify the customer concern prior to diagnosis
- Clear the DTC and retest
- Test the navigation system for correct operation
- Using the manufacturer approved diagnostic system, re-configure the integrated audio module with the latest level software
- Insert a CD and copy one track to the hard drive to confirm correct operation. Return vehicle to standard settings and delete the file
- If the DTC returns, suspect integrated audio module internal fault