Transponder Communication Failure

Tests 950 - 953:

SYMPTOM
TRANSPONDER COMMUNICATION FAILURE

TEST NOTE
This symptom is diagnosed using the test TRANSPONDER (CYCLIC REDUNDANCY CHECK) CRC FAILURE.

WHEN MONITORED
At ignition ON and during Key Programming Mode.

SET CONDITION
This condition exists when an invalid message format is received from the transponder after 5 consecutive transponder read attempts.

POSSIBLE CAUSES
- Intermittent wiring harness problem
- SKIM/key defective