C0649

Brake Pressure Sensor M Circuit/Open

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

ABS or ESP indicator is on
Incorrect operation of the ABS system
Increased braking distance
Loss of braking efficiency

Causes

Open or short circuit in wiring harness
Brake pressure sensor malfunction
Oxidation or damage to contacts
Problems in the ABS/ESP control unit

How to Fix

Check the integrity of the sensor wiring harness
Check contacts for oxidation or damage
Test the brake pressure sensor with a multimeter
Replace sensor if necessary
Check the ABS/ESP control unit for errors

Related codes

C0050 C0060 C0070