LEMON Manuals: Even more car manuals for everyone
Home >> Hyundai >> 2017 >> Ioniq Electric >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 32 (HEV Motor Control System Diagnosis) >> DTC U0129: Lost Communication With Brake System Control Module >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

WARNING: This page is about a different variant/trim than selected.
Item Conditions for setting DTC Possible Cause
DTC Strategy
  • Check P-CAN communication
  1. Faulty IBAU* Power Supply
  2. IBAU* P-CAN High line Open/Poor Connection
  3. IBAU* P-CAN Low line Open/Poor Connection
Enable Conditions
  • IG key "ON"
Threshold Value
  • IBAU* P-CAN message is not received
Diagnostic Time
  • 500ms
MIL
  • 2 Driving Cycle
Service Lamp
  • 2 Driving Cycle
NOTE: MCU (HPCU)*: "HYBRID POWER CONTROL UNIT_HPCU"
IBAU*: "IBAU"