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Home >> Kia >> 2019 >> Optima S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 289 (Body Control Module Diagnosis (PHEV)) >> DTC B1603-00: CAN Bus OFF (B-CAN) >> DTC Information >> DTC Detecting Condition

DTC Information: DTC Detecting Condition

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Item Detecting Condition Possible cause
DTC Strategy
  • Check CAN Communication
  1. CAN High and Low Line Coincidentally Short to Battery
  2. CAN High and Low Line Coincidentally Short to Ground
Enable Conditions
  • Battery voltage is between 9V and 16V
  • BCM CAN Communication Operating
Threshold Value
  • B_CAN message is abnormal
DTC Erasing
  • DTC is erased after solved problem
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