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Home >> Hyundai >> 2020 >> Sonata SEL >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Immobilizer Diagnosis (Except HEV) >> DTC P1688-00: Immobilizer Lock >> DTC Information And Inspection >> DTC Setting Condition

DTC Setting Condition

Trouble Shooting Condition Possible Cause
Main Action
  • Monitor the vehicle condition using GDS
  1. Previously learned PIN code
  2. Previously learned Password
Threshold Value
  • Wrong PIN code or password was entered through the GDS more than 3 consecutive times while the ignition is on.
Diagnostic Time
  • Immediately
DTC Clearing
  • Clear the DTC using GDS
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