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DTC B1794 Open in Occupant Classification ECU Battery Positive Line: Description

DTC B1794 is set when a malfunction is detected in the occupant classification ECU battery positive line.

DTC TROUBLE DETECTION CHART

DTC No. DTC Detection Condition Trouble Area
B1794 When one of following conditions is met:
  • Occupant classification ECU circuit malfunction
  • Occupant classification ECU malfunction
  • Occupant classification ECU detects short to ground signal in passenger side buckle switch circuit for 2 seconds
  • Wire harness
  • Occupant classification ECU