DTC C1AA3: Vehicle Speed Sensor Circuit [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.
The lane departure warning camera receives vehicle speed signals from the skid control ECU via CAN communication to control the lane departure alert system. When the lane departure warning camera receives information that there is a malfunction in the vehicle speed sensor, DTC C1AA3 is stored.
| DTC No. | DTC Detection Condition | Trouble Area |
|---|---|---|
| C1AA3 | While driving with the lane departure alert system activated and the lane departure alert main switch on, a signal indicating a malfunction in the vehicle speed sensor is received from the skid control ECU for 5 seconds or more. |
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