OBD Guide

P1914

Brake Servo Pressure Sensor Range/Performance Problem

P1914 is an OBD-II diagnostic trouble code meaning: Brake Servo Pressure Sensor Range/Performance Problem. Common causes: brake booster pressure sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Increased brake pedal force
  • Unstable operation of the brake system
  • Check Engine Light Is On
  • Reduced braking performance

Causes

  • Brake booster pressure sensor malfunction
  • Open or short circuit in the sensor circuit
  • Problems with the vacuum brake booster
  • Engine control unit malfunction

How to Fix

  1. Check the continuity of the pressure sensor circuit
  2. Check the functionality of the pressure sensor
  3. Check the vacuum brake booster for leaks
  4. If necessary, replace the pressure sensor

Related codes

FAQ

What does the P1914 code mean?

P1914 is an OBD-II diagnostic trouble code that indicates: Brake Servo Pressure Sensor Range/Performance Problem

What causes a P1914 error code?

The most common causes of P1914 include: Brake booster pressure sensor malfunction; Open or short circuit in the sensor circuit; Problems with the vacuum brake booster; Engine control unit malfunction.

How do I fix a P1914 diagnostic trouble code?

To fix P1914: Check the continuity of the pressure sensor circuit. Check the functionality of the pressure sensor. Check the vacuum brake booster for leaks. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1914?

Limited driving only, diagnose soon

How much does it cost to fix P1914?

The estimated repair cost for P1914 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat