DTC C1A01: Driving Support ECU [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.
This DTC indicates an internal malfunction of the driving support ECU assembly.
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| C1A01 | While power switch is on (IG) and dynamic radar cruise control system is operating, driving support ECU assembly detects an internal malfunction for 1 second. | Driving support ECU assembly |