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Home >> Hyundai >> 2021 >> Ioniq Hybrid SEL >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> Blind Spot Detection Diagnosis - Left (HEV) >> DTC C1501-01: Switch Failure >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Switch button voltage test
  1. Poor connection
  2. Open or short in CAN communication line
  3. BSD Switch
  4. BSD ECU(LH)
Enable Condition
  • IG ON state
Threshold Value
  • Maintain the switch voltage less than 1.5 V
Detecting Time
  • 1S
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