2003 Ford Expedition 5.4L with code C1805, U1262, U1073, C1234, and B2900

Question

2003 Ford Expedition 5.4L, I don't know where to start when I press the brake pedal I feel the abs kick in all the time I have 5 codes C1805, U1262, U1073, C1234, and B2900

Answer 1

It looks like the Powertrain Control Module (PCM) is not properly communicating with the Anti-Lock Brake System (ABS) Module. Start by checking the ABS module connector or reprogram the PCM to communicate with the ABS Module.

C1805 Ford Code - Mismatched PCM and/or ABS Module
Read more: https://www.autocodes.com/c1805_ford.html

B2900 Ford Code - ABS VIN Mismatch
Read more: https://www.autocodes.com/b2900_ford.html

U1262 Ford Code - Communication Bus Fault
Read more: https://www.autocodes.com/u1262_ford.html

U1073 Ford Code - Invalid Or Missing Data For Engine Coolant
Read more: https://www.autocodes.com/u1073_ford.html

C1234 Ford Code - Right Front Wheel Speed Sensor Input Signal Missing
Read more: https://www.autocodes.com/c1234_ford.html

Answer 2

C1805 Mismatched PCM and or stability assist module

Incorrect componenet which are not compatible, especially with the ABS module