OBD Guide

P2528

Vacuum Reservoir Pressure Sensor Circuit High

P2528 is an OBD-II diagnostic trouble code meaning: Vacuum Reservoir Pressure Sensor Circuit High. 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?
Yes, but get it checked soon
Approx. repair cost
$17–56 (est.)

Symptoms

  • Check Engine Light Is On
  • Deterioration of the brake booster
  • Unstable engine operation at idle
  • Reduced engine power
  • Increased fuel consumption

Causes

  • Vacuum tank pressure sensor malfunction
  • Open or short circuit in the sensor circuit
  • Wiring harness damage
  • Problems with vacuum lines
  • Engine control unit malfunction

How to Fix

  1. Check the integrity of the vacuum lines
  2. Check the condition of the sensor circuit for breaks and short circuits
  3. Test vacuum tank pressure sensor
  4. Replace sensor if necessary
  5. Check and replace wiring harness if necessary

Related codes

Error P2528 by Vehicle Brand

FAQ

What does the P2528 code mean?

P2528 is an OBD-II diagnostic trouble code that indicates: Vacuum Reservoir Pressure Sensor Circuit High

What causes a P2528 error code?

The most common causes of P2528 include: Vacuum tank pressure sensor malfunction; Open or short circuit in the sensor circuit; Wiring harness damage; Problems with vacuum lines.

How do I fix a P2528 diagnostic trouble code?

To fix P2528: Check the integrity of the vacuum lines. Check the condition of the sensor circuit for breaks and short circuits. Test vacuum tank pressure sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2528?

Yes, but get it checked soon

How much does it cost to fix P2528?

The estimated repair cost for P2528 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

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