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Home › Hyundai › 2012 › Equus Signature › Repair and Diagnosis › Body & Frame › Door Locks › Smart Key Unit (Button) Diagnosis › DTC P1676: Immobilizer-Smartra Message Error › General Information › DTC Detecting Condition

General Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
Enable Conditions
  • IG ON
  1. Smart Key ECM (integrated in IPM)
Detecting time
  • 1.5 seconds
Threshold value
  • Data error or timing error
    1. Data error: Head value error, checksum value error, Smart Key status unknown error
    2. Timing Error: There is no valid message during Engine ECM communication
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