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Home › Hyundai › 2020 › Accent Limited › Repair and Diagnosis › Engine Performance › System › Engine Control System Diagnosis (6 Of 6) › DTC U012A-00: Lost Communication With ICSC Module › DTC Information And Inspection › DTC Detecting Condition

DTC Information And Inspection: DTC Detecting Condition

Trouble Shooting Condition Possible Cause
Main Action
  • CAN communication status check
  1. Poor connection
  2. Faulty C-CAN Communication Circuit
  3. Faulty HECU (ESC module)
Prerequisite Condition
  • Battery is higher than 10.8V
  • Turn the ignition switch "ON" Time greater than 1 sec.
  • Engine speed higher than 32 RPM (Engine running)
Threshold Value
  • Duration of communication lost with accelerometer is more than 2 seconds
Diagnostic Time
  • 2 seconds
MIL
  • 2 Driving Cycle
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