Wireless Door Lock Control System

2006 Lexus RX 400h AWD V6-3.3L (3MZ-FE) HybridSECTION Wireless Door Lock Control System
DIAGNOSTIC TROUBLE CODE CHART

B1242/42:






HINT:
- If a trouble code is displayed during the DTC check, inspect the circuit listed for that code.
- Inspect the fuse and relay before investigating the suspected areas shown in the table.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.