Question

I have a 2003 Ford F150 with codes C1226 and C1155, what is it?

Answer 1

Hi there,

This code indicates an issue with the red brake warning light. Here is some info for you.

C1226 FORD - Red Brake Warning Light Failure
Read more: https://www.autocodes.com/c1226_ford.html

C1155 FORD - Left Front Wheel Speed Sensor Input Circuit Failure
Read more: https://www.autocodes.com/c1155_ford.html