OBD Guide

P1576

Brake Booster Vacuum Sensor Circuit High Voltage

P1576 is an OBD-II diagnostic trouble code meaning: Brake Booster Vacuum Sensor Circuit High Voltage. Common causes: brake booster vacuum 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

  • Check Engine Light Is On
  • Reduced braking performance
  • Problems with the brake assist system
  • Unusual behavior of the brake pedal

Causes

  • Brake booster vacuum sensor malfunction
  • Open or short circuit in the sensor circuit
  • Wiring Harness Problems
  • Malfunction of the brake system control unit
  • Poor contact in sensor connectors

How to Fix

  1. Check the continuity of the vacuum sensor circuit
  2. Check sensor connectors and connections
  3. Test the brake booster vacuum sensor
  4. Replace sensor if necessary
  5. Check and update the control unit firmware if necessary

Related codes

Error P1576 by Vehicle Brand

FAQ

What does the P1576 code mean?

P1576 is an OBD-II diagnostic trouble code that indicates: Brake Booster Vacuum Sensor Circuit High Voltage

What causes a P1576 error code?

The most common causes of P1576 include: Brake booster vacuum sensor malfunction; Open or short circuit in the sensor circuit; Wiring Harness Problems; Malfunction of the brake system control unit.

How do I fix a P1576 diagnostic trouble code?

To fix P1576: Check the continuity of the vacuum sensor circuit. Check sensor connectors and connections. Test the brake booster vacuum sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1576?

Limited driving only, diagnose soon

How much does it cost to fix P1576?

The estimated repair cost for P1576 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat