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Home >> Kia >> 2020 >> Optima SX >> Repair and Diagnosis >> External Pages >> Different car >> Section 418 (Double Clutch Transmission Diagnosis - 1.6L (4 Of 4)) >> DTC U0046-88: Vehicle Communication Bus CAN3 >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

WARNING: This page is about a different car, the 2022 Kia Seltos. However, it is still accessible from the selected car via links, so may be relevant.
Item Detecting Condition Possible Cause
DTC Strategy
  • Check the voltage
  • Poor connector connection
  • Faulty CAN Communication Circuit
  • Faulty gear actuator assembly
Enable Condition
  • Battery voltage above 10V
  • 500ms elapsed from Ignition "ON"
Threshold Value
  • CAN BUS OFF is detected
Detecting Time
  • 2s
MIL ON Condition
  • 2 driving cycles
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