Subaru STARLINK Manual page 211

MAP UPDATE (IF EQUIPPED)
If a problem occurs when attempting to perform a map update, refer to the following table.
XErrors when updating via USB
Error code
"Installation
Reading of the data on the USB memory device failed.
Failed (1)"
"Installation Corruption of the data on the USB memory device was
Failed (2)" detected.
"Installation An error in the system data was detected while
Failed (5)" performing the update.
"Installation
An unspecified error has occurred.
Failed (X)"
Cause
Disconnect and then reconnect the USB memory device, check that it is
connected correctly, and attempt to perform the update again.
Attempt to perform the update again. If the same error is detected,
download the map update data again, copy it to a different USB memory
device and attempt to perform the update again.
Attempt to perform the update again. If the same error is detected,
download the map update data again, copy it to a different USB memory
device and attempt to perform the update again.
Attempt to perform the update again. If the same error is detected,
contact your SUBARU dealer.
WHAT TO DO IF
Solution
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