DTC C1A73: Driving Support ECU Receive Data Malfunction [10/2015 - ]: Description
WARNING: This page is about a different car, the 2018 Toyota Avalon, 2017 Toyota Avalon, and 2016 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
If a communication error between the driving support ECU assembly and another ECU is detected, DTC C1A73 is stored.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| C1A73 | Driving Support ECU Receive Data Malfunction | 2 seconds after the power switch is turned on (IG), a communication error between the driving support ECU assembly and other ECUs has been detected 5 seconds or more. |
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