Mazda Repair Questions? Ask Mechanics for Answers ASAP
My name is ***** ***** I am a professional here at Just Answer. I noticed that your question had not received a response and thought I would see if you still need help with this.I apologize for the delay and I hope I can still assist you with this here.
If the battery itself has become damaged due to the over charge issue this can cause a voltage issue which will affect electronics in your vehicle and can cause issues like this here.If you did not have the battery charged to see if it is faulty needing replaced this needs done.Check and make sure the battery cables themselves are also clean and tight.
If this is or was already checked and found o.k. let me know so we can continue.
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If you clear out the fault codes above then try and operate the vehicle do both of these codes come back at all?
O.k.,I just wanted to make sure they are a continuous fault.
The U code is the big one here that may be causing the issues.This is a loss of communication code where the PCM (engine computer) cannot communicate with the ABS (anti lock brake system).Whenever communication issues occur this causes confusion and electrical faults between computers and in some cases their components as well.
Inspect the wiring harness at the PCM as well as the ABS and in between running from both of these to see if any wiring is found at fault here.If you find no wiring issues and no electrical connection issues and all fuses are good in all fuse panels I have seen the anti lock brake computer itself fail internally needing replaced.With no communication or operation of the anti lock brake ecu this will cause all the lights and even transmission issues you see here.
Code P0443 indicates a fault the purge solenoid itself or the wiring to the solenoid being damaged needing located and repaired.In most cases the evap purge solenoid needs replaced.
O.k.,if there is anything else I can help with here let me know and feel free to rate my help if you like.