LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Kia >> 2021 >> K5 GT >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis - 2.5L (15 Of 16) >> DTC U0155-F8: Lost Communication With Instrument Panel Cluster (IPC) Control Module (C-CAN) >> DTC Information >> DTC Detecting Condition
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Check CAN communication with CLU
  • Poor connector connection
  • CAN communication line between CLU and ECM
  • Faulty CLU
Enable Conditions
  • Battery voltage is between 9 and 16V
  • Time after engine start is greater than 1s
  • Engine speed is greater than 32RPM
Threshold Value
  • CAN message lost from CLU
Diagnostic Time
  • Continuously
MIL ON Condition
  • 2 driving cycle