P0719

Brake Switch B Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$6–22 (est.)

Symptoms

Incorrect operation of cruise control
Brake lights don't turn on
Check engine light is on
Problems with shifting gears (if the car is equipped with an automatic transmission)

Causes

Faulty brake switch
Broken or damaged wiring
Poor connection in connectors
Problems with the engine control unit

How to Fix

Check the brake switch for faults
Inspect the circuit for damage or short circuits
Check connections in connectors
If necessary, replace the brake switch

Related codes