C1331 - Open In Front Speed Sensor Left

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Front Speed Sensor Left
  • Front Speed Sensor Left harness is open or shorted
  • Front Speed Sensor Left circuit poor electrical connection
  • Faulty Skid Control ECU (Brake Actuator Assembly)

Possible symptoms

  • Anti-Lock Brake System (ABS) Warning Light ON
  • Engine Light ON (or Service Engine Soon Warning Light)

C1331 Description

Each speed sensor detects wheel speed and sends the appropriate signals to the Skid Control ECU. These signals are used by the ABS control system. The speed sensor rotors have 48 serrations. Hall IC type speed sensors use the frequency of output pulses to detect the vehicle speed. Because the sensor outputs digital pulses, it can detect the vehicle speed even when the vehicle is nearly stationary.
OBDII Code C1331 - Open In Front Speed Sensor Left - AutoCodes.com

C1331 Information for specific makes

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C1331 Comments

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