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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 451 (Power Tilt & Telescopic Steering Column - Diagnosis) >> Circuit Inspection >> DTC B2621 Communication Interruption >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check gateway system (See  GATEWAY SYSTEM - DIAGNOSIS  ). 
    1. NG : Repair or replace malfunction part. 
    2. OK : Check and replace the power tilt and power telescopic ECU (See  HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE  ).