DTC C1A02: Vehicle Information Not Obtained [04/2018 - 08/2021]: Description
WARNING: This page is about a different car, the 2021 Toyota Avalon, 2020 Toyota Avalon, and 2019 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
When a new driving support ECU assembly is installed, it receives vehicle specification information (destination, steering wheel position, etc.) from the main body ECU (multiplex network body ECU) and stores the information.
DTC C1A02 is stored when the driving support ECU assembly receives the vehicle specification information from the main body ECU (multiplex network body ECU) but cannot store it.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1A02 | Vehicle Information Not Obtained | The vehicle specification information of the main body ECU (multiplex network body ECU) and driving support ECU assembly do not match for 1 second or more while the vehicle is being driven at a speed of 50 km/h (32 mph) or more. | Driving support ECU assembly |