BOOT error
Depending on when this error occured there are diffrent actions to take. 1. If this happened during normal operation and the DTC is still active after cycling 15, then replace ECU, as there must be something that has damaged the ECU program memory. 2. If this happened during flashing of the ECU or writing SOPS or other activites involving a connected PC, perform a complete flash of the ECU. 3. This is a new ECU without any application loaded. Perform a complete flash of the ECU.
What you'll see
No driver-visible symptom recorded.
System reaction
Flashing Instruments, bakground illumination and telltales
Diagnostic depth
The application checksum calculated by the boot loader does not match the saved checksum, or there is no saved checksum. This DTC shall be disabled during flashing operations and will be enabled after a successful flashing.
Either bitflip in memory or no valid application has been downloaded.