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Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> Brakes >> Parking Brake System >> Electric Parking Brake Diagnosis (Except HEV) >> DTC C1646-08: CAN Message Failure - TCU >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

Item Detecting Condition Possible Cause
DTC Strategy
  • Monitoring CAN messages
  1. Faulty TCM system
Enable conditions
  • IG ON
  • Battery voltage is between 9V ~ 16V
  • No CAN Bus off
Threshold value
  • When it received abnormal TCM CAN message (gear position, etc) from TCM via CAN for 1.5 second
Fail-Safe
  • Automatic release function inhibited
Lamp
  • Lamp On
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