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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 149 (Engine Control System Diagnosis - 2.0L (1 Of 3)) >> DTC P0030-00: HO2S Heater Control Circuit (Bank 1 / Sensor 1) >> 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.
Item Detecting Condition Possible Cause
Main Action
  • Electrical Check
  1. Related fuse blown or missing
  2. Heater control circuit open or short
  3. Power supply circuit open or short
  4. Contact resistance in connectors
  5. Faulty HO2S
Prerequisite Condition
  • Engine is running with speed over 32 RPM.
  • Battery voltage is between 10V and 16V.
Threshold Value
  • Open in Upstream O2S heater circuit.
Diagnostic Time
  • Continuously
MIL-On Condition
  • 3rd Driving Cycle
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