OBD Guide

P1912

Brake Servo Pressure Sensor Open Circuit/Short To Positive

P1912 is an OBD-II diagnostic trouble code meaning: Brake Servo Pressure Sensor Open Circuit/Short To Positive. Common causes: broken sensor wires, short circuit to positive. 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 travel
  • Hard brake pedal
  • ABS or ESP light comes on
  • Reduced braking performance

Causes

  • Broken sensor wires
  • Short circuit to positive
  • Pressure sensor malfunction
  • Oxidation of contacts
  • Wiring harness damage

How to Fix

  1. Check the integrity of the sensor wiring
  2. Check sensor contacts for oxidation
  3. Measure sensor resistance
  4. If necessary, replace the pressure sensor

Related codes

FAQ

What does the P1912 code mean?

P1912 is an OBD-II diagnostic trouble code that indicates: Brake Servo Pressure Sensor Open Circuit/Short To Positive

What causes a P1912 error code?

The most common causes of P1912 include: Broken sensor wires; Short circuit to positive; Pressure sensor malfunction; Oxidation of contacts.

How do I fix a P1912 diagnostic trouble code?

To fix P1912: Check the integrity of the sensor wiring. Check sensor contacts for oxidation. Measure sensor resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1912?

Limited driving only, diagnose soon

How much does it cost to fix P1912?

The estimated repair cost for P1912 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat