Entry And Start System - Diagnostic Trouble Code Chart

Lexus IS250 IS220d GSE20 ALE20 - DOOR LOCK


ENTRY AND START SYSTEM - DIAGNOSTIC TROUBLE CODE CHART

  • HINT:
  • If a trouble code is indicated during the DTC check, check the circuit listed for that code in the table below. Then proceed to the appropriate page.
Power door lock control system:
DTC No.Detection ItemTrouble AreaSee page
B1242 Wireless Door Lock Tuner Circuit Malfunction 1. Electrical key antenna
2. Door control receiver
3. Wire harness
4. Certification ECU