Diagnostic Trouble Code Chart

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.

If a DTC is displayed, check the circuit for that code listed in the table below

Power Tilt and Power Telescopic Steering Column System

DIAGNOSTIC TROUBLE CODE CHART

DTC Code	Detection Item	Trouble Area
B2602	Key Unlock Warning Switch Circuit Malfunction	Multiplex communication system Smart access system with push-button start (for Start Function) Multiplex tilt and telescopic ECU
B2606	Key Code Confirm Signal Malfunction	Multiplex communication system Smart access system with push-button start (for Start Function) Multiplex tilt and telescopic ECU
B2610	Tilt Position Sensor or Tilt Motor Circuit Malfunction	Wire harness or connector Tilt position sensor or tilt motor Multiplex tilt and telescopic ECU
B2611	Telescopic Position Sensor or Telescopic Motor Circuit Malfunction	Wire harness or connector Telescopic position sensor or telescopic motor Multiplex tilt and telescopic ECU
B2620	ECU Power Source Circuit Malfunction	Battery Wire harness or connector Multiplex tilt and telescopic ECU
B2621	Communication Interruption	Multiplex communication system Main body ECU RH (Cowl side junction block RH) Front power seat switch LH (Position control ECU) Windshield wiper switch assembly (Combination switch ECU) Power source control ECU Multiplex tilt and telescopic ECU
B2624	Vehicles Speed Malfunction	Multiplex communication system Combination meter Multiplex tilt and telescopic ECU