U0100 Mazda - what is this cod how can i fix it

Question

my car jerks and buck when i am driving, if i press the gas pedal hard it goes away if i slightly press the gas then it jerks.

Answer 1

HI there

This code points to an issue with the ecm, here is some info on the code for you.

U0100 MAZDA - Lost Communication With Engine Control Module

Read more: https://www.autocodes.com/u0100_mazda.html