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Home >> Hyundai >> 2020 >> Sonata SEL >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Immobilizer Diagnosis (Except HEV) >> DTC P1693-00: Transponder No Response Error Invalid Response >> 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. Faulty transponder
Threshold Value Case1
  • Launch the antenna → IMMO → sends it to the transponder If the transponder fails to receive the serial number more than 5 consecutive times, repeat the procedure and store the DTC.
Case2
  • Launch the antenna → IMMO → sends it to the transponder If the transponder receives 2 serial numbers and values, the data can be duplicate and the IMMO software determines that a transponder is missing. Repeat the procedure for 5 consecutive times and store the DTC.
Diagnostic Time
  • Immediately
DTC Clearing
  • Clear the DTC using GDS
NOTE: IMMOBILIZER*: "IBU"

DTC also shows up when 2 transponders are stuck close near the Antenna Coil