Internal Module Flash Memory Checkless Failure

Test 1:

SYMPTOM
INTERNAL MODULE FLASH MEMORY CHECKSUM FAILURE

TEST NOTE
This symptom is diagnosed using the test INTERNAL MODULE BOOTLOADER FAILURE.

WHEN MONITORED
At power up for the module.

SET CONDITION
If the checksum value does not equate to the calculated value. Indicates that the Instrument Cluster internal memory is corrupted.

POSSIBLE CAUSES
- Instrument cluster