C0042

Brake Pedal Position Sensor Circuit A

Severity

⚠️ Medium

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine Light Is On
Cruise control doesn't work
Problems with the ABS system
Incorrect operation of brake lights

Causes

Open or short circuit in the sensor circuit
Poor contact in the sensor connector
Malfunction of the brake pedal position sensor itself
Wiring Harness Problems
ECU malfunction

How to Fix

Check the integrity of the wiring harness and connectors
Check the resistance of the brake pedal position sensor
Replace sensor if necessary
Check and clean connector contacts
Scan the system for other errors

Related codes

C0040 C0041 C0043 C0044