LEMON Manuals: Even more car manuals for everyone
Home >> Hyundai >> 2015 >> Sonata Eco >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 57 (Engine Control System Diagnosis (2 Of 2) (HEV)) >> DTC U1004: Lost Communication With Hybrid Powertrain Control Module (H-CAN) >> General Information >> DTC Detecting Condition

General Information: DTC Detecting Condition

WARNING: This page is about a different variant/trim than selected.
Item Detecting Condition Possible cause
DTC Strategy
  • No message from HCU at CAN
  1. Poor connection
  2. CAN communication
  3. Open or short in ESC communication line
Enable Conditions
  • Time exceeded with no Message
Threshold value
  • No message during 100m sec
scientia non olet · About LEMON Manuals