DTC B2603: Tilt and Telescopic Manual Switch Circuit Malfunction [08/2013 - ]: Description
WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
Different voltage values are sent to the multiplex tilt and telescopic ECU by operating the tilt and telescopic switch. The multiplex tilt and telescopic ECU then judges which motor and in which direction that motor should operate based on the voltage value.
| DTC No. | Detection Condition | Trouble Area |
|---|---|---|
| B2603 | When operating the tilt and telescopic switch, an abnormal voltage value is sent to the multiplex tilt and telescopic ECU. |
|