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DTC C1541: Vehicle Speed Signal: Description

The power steering ECU assembly receives vehicle speed signals from the skid control ECU (brake booster with master cylinder assembly) via CAN communication. The ECU provides appropriate assist 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 system control.

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.
  • Speed sensor circuit
  • Brake control system
  • CAN communication system
  • Power steering ECU assembly
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