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DTC B1782: Rear Occupant Classification Sensor LH Circuit Malfunction [09/2014 - 09/2020]: Description

The rear occupant classification sensor LH circuit consists of the occupant detection ECU and rear occupant classification sensor LH.

DTC B1782 is stored when a malfunction is detected in the rear occupant classification sensor LH circuit.

DTC No. Detection Item DTC Detection Condition Trouble Area
B1782 Rear Occupant Classification Sensor LH Circuit Malfunction
  • The occupant detection ECU detects a line short, short to ground or B+, or an open in the rear occupant classification sensor LH circuit.
  • Rear occupant classification sensor LH malfunction
  • Occupant detection ECU malfunction
  • Front seat wire RH
  • Rear occupant classification sensor LH (Front seat adjuster assembly RH)*
  • Occupant detection ECU
  1. *: The rear occupant classification sensor LH is built into the front seat adjuster assembly RH.