Hmmm not sure what they did unless I read the service report? Your service BTW is now part of the permeant VIN information. I would have asked the service person you are working with if they "specifically" load tested the Battery. Charging a battery is not part of that test except to have the battery stabilized voltage at 12.5 volts to test properly.

As for clearing the codes neither place at least how you are explained it is accurate? Without reading exactly what they did your information is somewhat useless??
And the DTCs cannot be deleted. There is at least 2 areas' where their information can be found in the ECU that does have information.

I get customers that do the same as you telling me what they think were told and happened and then when I actually call the service department of where their vehcle was (only dealerships I have a relationship with) I find the story is much different.

Diagnostic scanning tools and devices should be an investment if future DIY work on OBDII (from 1995) and CAN-Bus(2002 forward) , ABS, PCM and TCM systems. "CHEAP" and many blue tooth scanning device either have useless information overload for the average DIY or do not do the diagnostic work to an advantage to help a DIY resolve problems.

 

P1200 has nothing to do with the battery. OP battery likely needs to be replaced/charged anyway.
Mazda officialy (as part of the pre-delivery inspection) requires adding mazda deposit cleaner to the fuel in some countries.
I agree there are many electrical problems and strange combinations of the fault codes that can be triggered by low voltage, however, P1200 is not one of them. It's calculated by PCM during long period of driving. Specific diagnostic steps for that particular code is, officially by Mazda service manual:
1) check is P0171 present
2) if not, check if deposit cleaner was added lately
3) if not, add cleaner

It can be poor fuel quality, also. And it can be something serious (even more serious than deposits, it can be dying sensor or fuel delivery problem, or leakage, air intake bypassing MAF, or injector malfunction, or EVAP problem, or VVT or even PCM malfunction). There is no point in speculation before P0171 arrives. Just change fuel, maybe add deposit cleaner and wait.
P0171 is entirely different beast.

Do not assume other people's ignorance until you absolutely sure.

 

Dude I often do by what they post and you sir are either a DIY or very old school mechanic.
Here is a thread I look forward with anticipation to your responding it?
What do you do or have done for a living - Mazda Forum - Mazda Enthusiast Forums
I would not call it ignorance, but I do rad between the lines of what members post and can easily tell their level of experience.

As for your last posting I suggest you start over read more carefully all the responses and most specifically mine. This is an example that you do not understand Diagnostic Trouble Codes and how and ECU programing works.
On top of what my ASE certification is I also do EFI/ECU Performance Calibrating on a few platforms and models worldwide. This means that not only do I have a few decades practical experience but as far as OEM goes I am far ahead most even factory trained technicians because they DO NOT enter what is termed GLOBAL access to the ECU's that I do. Mostly because the factory ECU in most application is LOCKED and requires special programs to Un-Lock them for full assess for modifying operating PIDs.

 

Since I've had the car I've filled the tank twice with 97 octane fuel. The last tank I added Archoil AR6900-P Max

Silly question, what is P0171

im not in anyway a mechanic the most i do is change oil

 

I am sure you can look up the code.

But don't rely on the first solution. Many mistaking replaces the HO2 and then realize they still have the engine check light and DTC. If you look in your I/M monitors, there will be more of a clue where to look to resolve that DTC. It can be generated by something as simple as an unknown and not yet found exhaust system leak.

I hope that your Archoil AR6900-P Max is no expensive? While it is a fairly good product you can likely obtain its main ingredient at your local hardware store cheaper with the same cleaning and octane boosting effect.

 

Really i'm not much interested in this "skills" competition, OP can judge for himself. Not sure what do you mean by mentioning ECU programming and other stuff, it has nothing to do with OP's question.
PCM sets P1200 when it predicts, based on previous fuel trims history, that trims in the future will exceed maximum. Mazda says that this prediction interval is 2400km, and if i understand correctly, PCM stores previous trim values and calculates trend.
IF there are no other codes, i don't see why OP can not
If you don't want to really go down very deep rabbit hole, it is DTC (diagnostic trouble code) that engine computer sets when it can't properly control fuel mixture. Possible causes for this are many, as i mentioned, and check engine light will be illuminated. Proper diagnostic inspection will be needed in that case.

 

I already posted about the challenge CODE see post # 15 before your last response I am quoting or did you just pick and choose what to read.

Your other information post as if you ran to the keyboard and found the information and reworded it a bit. This is obvious you know. Also the mere fact you don't understand any part of being able to access able to change ECU programing and values not to mention all the area's other then just a single trouble code to service and correct the problem(s)around that code.

But good try. You are like some of my night school ASE pre-testing course attendees in the shop working on an actual car when I give them a challenge ECU problem to solve they start tapping away on their cellphones. LOL

 

English is not my first language (I'm sure that's obvious), may be because of that i don't entirely understand what you are saying. What on earth ECU programming has to do with this topic? It is a question on why 3 year old car has p1200 and is it normal like dealer suggests . I think is is not normal, but it may be reversible or self healing problem.
(#15 i did not see before posting, did not update the page)

 

Have just plugged the OBD in and got the following results.
again I've not much idea what I'm doing so any help would be appreciated

 

Nope it was not your responses as I am very bad at sentence structure, syntax, spelling for sure etc., barely got by with the requirement in college, I excel however in math (love quantum physics) and all sciences. But then had you taken the time to look at the thread I recommended to you you would know that?
What do you do or have done for a living - Mazda Forum - Mazda Enthusiast Forums
As for you not living in the USA it how you described something which is not typically done in the USA (yet).

Anyway back on topic ... what part of a Diagnostic code is not parts of the ECU programing?
And there is NOTHING that actually states a dealership said it was "normal?
If you would just SLOW DOWN and read what I post part of what I have posted is often times member will state what was told to them but rarely posting the actual service write up and completed invoice(personal information blacked out)? So that said and my experience on both forums as well in the real world tells me that the OP either misunderstood or was given poor information!


Care to tell us all what country you are from?