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Home >> Toyota >> 2009 >> Sequoia Limited, 5.7 W >> Repair and Diagnosis >> Brakes >> Traction Control >> Brake Control/Dynamic Control System >> Vehicle Stability Control System >> DTC C1247/47 Stroke Sensor Malfunction >> Description
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DTC C1247/47 Stroke Sensor Malfunction: Description

Detects a problem with booster vacuum pressure and enters assist control.

DTC DETECTION CONDITION CHART

DTC Code DTC Detection Condition Trouble Area
C1247/47 When either condition below is met:
  1. When the output becomes 4.7 V or more or 0.2 V or less per 0.1 seconds.
  2. When the output does not return to 2.5 V even when 0.5 seconds or more elapse, in spite of no change in brake operation.
  • Brake booster
  • Pedal stroke sensor
  • Pedal stroke sensor circuit
  • VSC actuator (skid control ECU)
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