DTC C1541: Vehicle Speed Signal Malfunction: Description
WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.
The power steering ECU assembly receives vehicle speed signals from the skid control ECU via CAN communication The ECU provides appropriate assisting force in accordance with the vehicle speed, based on the signals
If the ECU detects this DTC, it adjusts the amount of power assistance for a speed of 100 km/h (62 mph) and continues the system control
DTC DETECTION CONDITION CHART
| DTC No | DTC Detection Condition | Trouble Area |
|---|---|---|
| C1541 | This DTC is detected when vehicle speed signals via CAN communication are cut off for 3 seconds or more |
|