Transponder Response Mismatch

Tests 1 - 5:

Tests 6 - 7:

SYMPTOM
TRANSPONDER RESPONSE MISMATCH

TEST NOTE
All symptoms listed above are diagnosed using the same tests. The title for the tests will be TRANSPONDER COMMUNICATION FAILURE.

WHEN MONITORED
At ignition ON and during Key Programming Mode.

SET CONDITION
When the transponder's crypto algorithm result fails to match the SKIM's result.

POSSIBLE CAUSES
- Checking multiple key operation
- SKIM
- Intermittent wiring harness problem
- Replace ignition key