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Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 222 (Smart Key Code Saving (Button) Diagnosis) >> DTC P1676: Immobilizer-Smartra Message Error >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

WARNING: This page is about a different car, the 2016 Hyundai Elantra GT and 2015 Hyundai Elantra GT. However, it is still accessible from the selected car via links, so may be relevant.
Item Detecting Condition Possible Cause
Enable Conditions
  • IG ON
  1. Faulty Smart Key ECM
Detecting time
  • 1.5 sec.
Threshold value
  • Data error or timing error
    1. Data error: Head value error, checksum value error, Smart Key status unknown error
    2. Timing Error: Interval time of response from Smart key ECM after ECM request signal is longer than 40ms