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Home >> Hyundai >> 2020 >> Sonata SEL >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Immobilizer Diagnosis (Except HEV) >> DTC P1691-00: Immobilizer-Antenna Coil Error >> DTC Information And Inspection >> DTC Setting Condition

DTC Setting Condition

Trouble Shooting Condition Possible Cause
Main Action
  • Monitor the data coming from a transponder
  1. Open or short
  2. Faulty Antenna Coil
  3. Faulty IMMOBILIZER*
Threshold Value
  • Open/short
Diagnostic Time
  • Immediately
DTC Clearing
  • Clear the DTC using GDS
NOTE: IMMOBILIZER*: "IBU"
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