OBD Guide

P2527

Vacuum Reservoir Pressure Sensor Circuit Low

P2527 is an OBD-II diagnostic trouble code meaning: Vacuum Reservoir Pressure Sensor Circuit Low. Common causes: vacuum tank 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

  • Check Engine Light Is On
  • Reduced engine power
  • Problems with the brake system
  • Unstable engine operation at idle
  • Increased fuel consumption

Causes

  • Vacuum tank pressure sensor malfunction
  • Open or short circuit in the sensor circuit
  • Poor contact in sensor connectors
  • Vacuum leak in the system
  • Problems with the engine control unit

How to Fix

  1. Check the continuity of the pressure sensor circuit
  2. Inspect the sensor connectors for corrosion or damage.
  3. Check the tightness of the vacuum system
  4. Replace pressure sensor if necessary
  5. Check and replace wiring harness if necessary

Related codes

Error P2527 by Vehicle Brand

FAQ

What does the P2527 code mean?

P2527 is an OBD-II diagnostic trouble code that indicates: Vacuum Reservoir Pressure Sensor Circuit Low

What causes a P2527 error code?

The most common causes of P2527 include: Vacuum tank pressure sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in sensor connectors; Vacuum leak in the system.

How do I fix a P2527 diagnostic trouble code?

To fix P2527: Check the continuity of the pressure sensor circuit. Inspect the sensor connectors for corrosion or damage.. Check the tightness of the vacuum system. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2527?

Limited driving only, diagnose soon

How much does it cost to fix P2527?

The estimated repair cost for P2527 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat