Diagnostic Trouble Code Chart

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.

If a DTC is displayed during the DTC check, check the circuit for that code listed in the table below. For details of each code, turn to the section referred to under the respective "DTC No." in the DTC chart.

DIAGNOSTIC TROUBLE CODE CHART

DTC No.	Detection Item	Trouble Area
B2602	Key unlock warning switch malfunction	Key unlock warning switch
B2610	Tilt position sensor or tilt motor malfunction	Sensor power source circuit Actuator power source circuit Tilt motor circuit Power tilt and power telescopic ECU
B2611	Telescopic position sensor or telescopic motor malfunction	Sensor power source circuit Actuator power source circuit Telescopic motor circuit Power tilt and power telescopic ECU
B2620	ECU power-source circuit malfunction	Battery ECU power source circuit Power tilt and power telescopic ECU
B2621	Communication interruption	Multiplex communication system Power tilt and power telescopic ECU