2004 Ford F15 with code B1484, Brake Pedal Input Open Circuit.

Question

The codes that I'm getting are B1484 Brake pedal input open circuit and P0506 idle air control system revolutions per minute lower than expected.

Answer 1

The B1484 code means that there is an issue with the Brake Pedal Switch. Replacing the Brake Pedal Switch is likely to fix the problem.

B1484 Ford Code - Brake Pedal Input Open Circuit
Read more: https://www.autocodes.com/b1484_ford.html

The P0506 code that the engine Idle is too low. This code is not related to B1484. For this code, you can check the air filter or replace the spark plugs.

P0506 Ford Code - Idle Speed Control System RPM Lower Than Expected
Read more: https://www.autocodes.com/p0506_ford.html