P25C6

Brake Booster Temperature Sensor A Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$17–56 (est.)

Symptoms

Check Engine light comes on
Increased brake pedal force
Changing braking characteristics
Unstable operation of the brake system
Loss of vacuum in the brake booster

Causes

Brake booster temperature sensor malfunction
Open or short circuit in the sensor circuit
Poor connection or corroded connectors
Brake booster malfunction
Problems with the engine control unit (ECU)

How to Fix

Check the brake booster temperature sensor for damage.
Check the integrity of the sensor circuit and connection
Clean or replace connectors if corroded
Replace the brake booster temperature sensor if necessary
Check and, if necessary, replace the brake booster

Related codes

P25C5 P25C7 P25C8