P25C8

Brake Booster Temperature Sensor A Circuit Intermittent/Erratic

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Unstable operation of the brake booster
Check Engine light comes on
Increased brake pedal travel
Reduced braking performance

Causes

Damage to the sensor wiring harness
Poor contact in the sensor connector
Brake booster temperature sensor malfunction
Short circuit or open circuit

How to Fix

Check the integrity of the sensor wiring harness
Clean and check the contacts in the connector
Test the sensor with a multimeter
Replace the brake booster temperature sensor if necessary
Repair only from an authorized dealer

Related codes

P25C7 P25C9 P25CA