C1431 Toyota

Brake Pedal Load Sensing Switch On Stuck Malfunction

Table of contents

• Possible Causes
• How To Fix
• Tech Notes
• Cost To Diagnose
• Possible Symptoms
• Description

C1431 TOYOTA Possible Causes

• Faulty Brake Pedal Load Sensing Switch
• Brake Pedal Load Sensing Switch harness is open or shorted
• Brake Pedal Load Sensing Switch circuit poor electrical connection

How do I fix code C1431 TOYOTA?

  Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.

Tech Notes

• Some 2012–2013 Toyota Camry vehicles may exhibit a condition where ABS brake actuator pump motor noise is heard from the engine compartment with Brake, ABS and/or TRAC warning lamp(s) illuminated and Diagnostic Trouble Code (DTC) C1431 stored.
• This condition may be caused by a poor ground on the left fender side panel bracket after a collision repair. This may occur during body shop repairs or other repairs where the left side fender bracket grounds were left loose, not properly attached using the correct bolts, or improperly painted.

Cost of diagnosing the C1431 TOYOTA code

  The cost of diagnosing the C1431 TOYOTA code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

C1431 TOYOTA Description

  The Brake Pedal Load Sensing Switch turns ON when the brake pedal is depressed with a force exceeding a predetermined level. The Skid Control ECU uses this circuit to detect if the brake pedal is depressed or not. The Skid Control ECU monitors the Brake Pedal Load Sensing Switch. The Skid Control ECU sets the OBDII code when the Brake Pedal Load Sensing Switch is not to factory specifications.