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DTC U0001 Can Communication Bus: DTC Detecting Condition

DTC DETECTING CONDITION AND POSSIBLE CAUSES

Item Detecting Condition Possible Cause
DTC Strategy
  • CAN communication status check
  • Poor connection
  • ECM/PCM
Enable Conditions
  • Battery voltage > 10.7V
  • Ignition on, no start phase
Threshold Value
  • Bus-Off time via CAN A > 500ms
  • Bus-Off time via CAN B > 500ms
Diagnostic Time
  • Continuous
MIL ON Condition
  • 5 sec
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