DTC P0503: Vehicle Speed Sensor "A" Intermittent / Erratic / High [12/2013 - 11/2016]: Description
WARNING: This page is about a different car, the 2016 Toyota Highlander, 2015 Toyota Highlander, and 2014 Toyota Highlander. However, it is still accessible from the selected car via links, so may be relevant.
If a malfunction (a rapid change in vehicle speed) in the vehicle speed signal being output from the skid control ECU (brake actuator assembly) is detected while the dynamic radar cruise control is operating, the ECM determines that there is a momentary interruption or noise, and stores a DTC.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| P0503 | Vehicle Speed Sensor "A" Intermittent / Erratic / High | A momentary interruption or noise is detected when a rapid change in the vehicle speed occurs while the dynamic radar cruise control system is operating. |
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