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Home >> Hyundai >> 2017 >> Sonata Plug-In Hybrid >> Repair and Diagnosis >> External Pages >> Different car >> Section 78 (Electric Parking Brake Diagnosis (Except HEV)) >> DTC C1646-08: CAN Message Failure - TCU >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

WARNING: This page is about a different car, the 2016 Hyundai Sonata and 2015 Hyundai Sonata. However, it is still accessible from the selected car via links, so may be relevant.
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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