Transponder Cyclic Redundancy Check (CRC) Failure

Test 1 - 2:

Test 3:

SYMPTOM
TRANSPONDER CRC FAILURE

WHEN MONITORED
At ignition ON and during Key Programming Mode.

SET CONDITION
This failure condition exists when five consecutive transponder signal transmissions are sent to the SKIM with the correct message format but with invalid data.

POSSIBLE CAUSES
- Sentry key failure
- Skim communication failure
- Transponder CRC failure