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Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Blind Spot Detection Diagnosis - Right (Except HEV) >> DTC C1646-81: CAN Message Failure - TCU >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • TCU CAN Signal Check
  1. TCU
Enable Condition
  • IG ON (BSD Switch ON)
Threshold Value
  • TCU signal is INVALID
Detecting Time
  • 500ms (0.5 second)
Fail Safe
  • Inhibit BSD (Blind Spot Detection)
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