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Home >> Toyota >> 2020 >> RAV4 LE, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 50 (Power Back Door System (HV) - Diagnostic Codes & Symptom Tests) >> POWER BACK DOOR SYSTEM (for HV Model) >> DTC B2251: Back Door Closer Switch Malfunction [11/2018 - 10/2023] >> Description

DTC B2251: Back Door Closer Switch Malfunction [11/2018 - 10/2023]: Description

WARNING: This page is about a different variant/trim than selected.

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

DTC No. Detection Item DTC Detection Condition Trouble Area
B2251 Back Door Closer Switch Malfunction While the back door closer is operating, a malfunction is detected in position information from the back door courtesy switch within a specified amount of time.
  • Back door lock with courtesy light switch assembly
  • Harness or connector
  • Multiplex network door ECU
  • Instrument panel junction block assembly
  • Main body ECU (multiplex network body ECU)