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Home >> Toyota >> 2016 >> Highlander LE Plus, AWD >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Back Door Closer System - Diagnostic Codes & Symptom Tests - (Except Hybrid) >> Back Door Closer System >> DTC B2251: Back Door Closer Switch Malfunction [12/2013 - ] >> Description

DTC B2251: Back Door Closer Switch Malfunction [12/2013 - ]: Description

The multiplex network door ECU receives signals from the latch switch, sector switch and back door courtesy switch, which are built into the back door lock assembly. Based on these switch signals, the latch position of the back door lock assembly is determined.

DTC No. Detection Item DTC Detection Condition Trouble Area
B2251 Back Door Closer Switch Malfunction While the back door closer system is operating, a malfunction in the position information from the back door courtesy switch is detected within a specified amount of time.
  • Back door lock assembly
  • Wire harness or connector
  • Multiplex network door ECU