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 U1001: High Speed CAN Communication Bus (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
  • CAN Massage transfer incorrect at CAN2
  1. Poor connection
  2. Power supply to each Module
  3. Open or short in Each Module communication line
  4. Open or short in HCU communication line
  5. 120Ω register (Inside BMS & HCU)
Enable Conditions
  • Incorrect CAN message
Threshold value
  • 20 wrong message received by PCM