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Home >> Hyundai >> 2021 >> Ioniq Hybrid SEL >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Testing and Diagnosis >> HCU/Low Dc-Dc Converter Diagnosis (HEV) >> DTC P17E2: Engine Clutch Actuator Electric H/W Fault >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible cause
DTC Strategy
  • Voltage Check
  1. Poor Connection
  2. Secondary Battery Voltage
  3. Faulty Clutch Actuator
Enable Conditions
  • Ignition Key "ON"
  • Aux, Battery Voltage is between 9V and 16V
Case 1 Threshold Value
  • Input of 10% or more to the reference voltage
Diagnosis Time
  • 1 sec
Case 2 Threshold Value
  • MI-COM fault signal output
Diagnosis Time
  • 50 times
Case 3 Threshold Value
  • Low voltage occurs over the reference value
Diagnosis Time
  • 2 sec
Case 4 Threshold Value
  • LDC 5V output voltage less than 5.4V or more than 4.6V
Diagnosis Time
  • 1 sec
DTC
  • 1 Driving Cycle
Service Lamp On Condition
  • 1 Driving Cycle