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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 143 (Blind Spot Collision Warning Diagnosis) >> DTC C1501-01: Switch Failure >> DTC Information And Inspection >> DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

WARNING: This page is about a different car, the 2021 Hyundai Kona. However, it is still accessible from the selected car via links, so may be relevant.
Troubleshooting Condition Possible Cause
Main action
  • Inspect the switch button voltage
  1. Poor contact of connector
  2. Open/short in wire harness
  3. BSD switch
  4. BSD ECU (LH)
Prerequisite condition
  • Battery voltage is normal
  • 1.5 sec. after turning the ignition switch on
Threshold Value
  • Over 1 min. has past as the switch remain pressed
Diagnosis time
  • after 60 sec.