B1484
Brake Pedal Input Open Circuit
Severity
⚠️ MediumCan you drive?
Do not drive — repair immediately
Approx. repair cost
$33–89 (est.)
Symptoms
- Disabling cruise control
- Brake lights don't work
- Check Engine light comes on
- Gear shifting problems (for automatic transmissions)
Causes
- Broken wires in the harness
- Oxidation of sensor contacts
- Malfunction of the brake pedal position sensor
- Damage to connectors
- Short circuit in the circuit
How to Fix
- Check the integrity of the wiring harness
- Clean sensor contacts and connectors
- Check sensor resistance
- Replace sensor if necessary
- Check the operation of the system after repair