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Home >> Toyota >> 2022 >> Avalon XLE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 77 (Power Door Lock Control System - Diagnostic Codes & Symptom Tests (Hybrid)) >> POWER DOOR LOCK CONTROL SYSTEM (for HV Model) >> DTC B1243: GSW Terminal Circuit Malfunction [04/2018 - ] >> Description

DTC B1243: GSW Terminal Circuit Malfunction [04/2018 - ]: Description

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If the collision door lock release function does not operate normally, or an open or short in the GSW input circuit of the main body ECU (multiplex network body ECU) is detected, DTC B1243 will be stored.

HINT: 

If DTC B1243 is stored, the automatic door lock function, and collision door lock release function will be prohibited.

DTC No. Detection Item DTC Detection Condition Trouble Area
B1243 GSW Terminal Circuit Malfunction A malfunction occurs in the GSW input circuit of the main body ECU (multiplex network body ECU).
  • Main body ECU (multiplex network body ECU)
  • Airbag ECU assembly
  • Wire harness or connector