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Home >> Hyundai >> 2021 >> Veloster 2.0, Standard Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> Forward Collision-Avoidance Assist Diagnosis >> DTC C1617-81: EMS Invalid Engine Speed >> DTC Information >> DTC Setting Condition

DTC Setting Condition

Trouble shooting Condition Possible Cause
Main action
  • Monitor CAN messages
  1. Open or short in C-CAN communication line
  2. Faulty Engine ECM
Prerequisite condition
  • Battery Voltage is between 9V and 16V
  • Ignition has been on for over 2 sec.
  • CAN communication lines are normal
Threshold Value
  • When abnormal Engine Speed message has been received via C-CAN.
Diagnosis Time
  • 0.5 sec.
MIL
  • FCA/SCC operation cancelled/inhibited
  • FCA/SCC warning lamp ON
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