P057B

Brake Pedal Position Sensor A Circuit Range/Performance

Severity

⚠️ Medium

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

Incorrect operation of the braking system
Disabling cruise control
Check engine light comes on
Unstable brake pedal operation

Causes

Brake pedal position sensor A malfunction
Open or short circuit in wiring harness
Poor contact in sensor connectors
Mechanical problems with the brake pedal
Engine control unit (ECU) malfunction

How to Fix

Check brake pedal position sensor A for damage.
Check the integrity of the wiring harness and connectors
Measure resistance and voltage at the sensor
If necessary, replace the sensor or repair the wiring harness
Reset the error code and check if it returns

Related codes

P0571 P0572 P0573