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Home >> Hyundai >> 2017 >> Ioniq Electric >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 32 (HEV Motor Control System Diagnosis) >> DTC P0A1B: Drive Motor 'A' Control Module >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

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Item Conditions for setting DTC Possible Cause
DTC Strategy
  • Check Communication status
  1. Faulty MCU (HPCU)*
Enable Conditions
  • IG key "ON"
  • AUX. Battery voltage is between 9V and 16V
Threshold Value
  • Communication failure between main-CPU and sub-CPU has been detected.
Diagnostic Time
  • 15 times
MIL
  • Immediately
Service Lamp
  • ON
NOTE: MCU (HPCU)*: "HYBRID POWER CONTROL UNIT"