OBD Guide

P25C5

Brake Booster Temperature Sensor A Circuit Range/Performance

P25C5 is an OBD-II diagnostic trouble code meaning: Brake Booster Temperature Sensor A Circuit Range/Performance. Common causes: faulty brake booster temperature sensor, 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 brake booster efficiency
  • Unusual behavior of the brake pedal
  • Errors in the braking system
  • Reduced engine power when braking

Causes

  • Faulty brake booster temperature sensor
  • Open or short circuit in the sensor circuit
  • Poor contact in the sensor connector
  • Corroded contacts or damaged wiring
  • Problems with the engine ECU

How to Fix

  1. Check the integrity of the sensor wiring and connectors
  2. Measure resistance and voltage at the sensor
  3. Check that sensor parameters comply with specifications
  4. Replace the brake booster temperature sensor if necessary
  5. Reset the error code and check the system

Related codes

Error P25C5 by Vehicle Brand

FAQ

What does the P25C5 code mean?

P25C5 is an OBD-II diagnostic trouble code that indicates: Brake Booster Temperature Sensor A Circuit Range/Performance

What causes a P25C5 error code?

The most common causes of P25C5 include: Faulty brake booster temperature sensor; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Corroded contacts or damaged wiring.

How do I fix a P25C5 diagnostic trouble code?

To fix P25C5: Check the integrity of the sensor wiring and connectors. Measure resistance and voltage at the sensor. Check that sensor parameters comply with specifications. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P25C5?

Limited driving only, diagnose soon

How much does it cost to fix P25C5?

The estimated repair cost for P25C5 is $17–56. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat