EEPROM Failure

EEPROM FAILURE

WHEN MONITORED
With the ignition on.

SET CONDITION
When the value written to EEPROM memory does not equal the value read back after the write operation.

POSSIBLE CAUSES
- SKIM internal DTC failure

Diagnostic Test

1. SKIM INTERNAL DTC PRESENT

NOTE: This trouble code indicates an internal SKIM fault.

With the scan tool, read and record the SKIM DTCs and then erase the SKIM DTCs
Perform 5 ignition key cycles, leaving the ignition key on for a minimum of 90 seconds per cycle.
With the scan tool, read the SKIM DTCs.

Q: Did the same SKIM DTC return?

YES: Replace and program the Sentry Key Immobilizer Module. Perform SKIS VERIFICATION. SKIS Verification
NO: Test complete, the conditions that set this DTC are not present at this time.