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DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
Enable Conditions
  • Turn the ignition switch ON
  1. Faulty IBU (SMK+BCM+TPMS)
Diagnosis time
  • 1.5 sec
Threshold value
  • Data error or timing error
    1. Data error: Communication Head value error, checksum value error, Faulty IBU (SMK+BCM+TPMS)
    2. Timing Error: The interval of responses from the IBU (SMK+BCM+TPMS) upon the ECM's request is longer than 40 ms
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