FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Transponder Cyclic Redundancy Check (CRC) Failure

Test 1 - Test 5:




Test 6 - Test 7:






SYMPTOM
TRANSPONDER CYCLIC REDUNDANCY CHECK (CRC) FAILURE

TEST NOTE
This symptom is diagnosed using the test TRANSPONDER COMMUNICATION FAILURE

WHEN MONITORED
At ignition on and during Key Programming Mode.

SET CONDITION
When 5 consecutive transponder signal transmissions are sent to the SKIM with the correct message format but with invalid data.

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