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Torque » Torque OBD ECU Scanner » Torque Discussion / Ideas » Unable to read DTC's from 2014 Mazda 6

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Author Topic: Unable to read DTC's from 2014 Mazda 6
jollyjerry
Member
Posts: 3
Post Unable to read DTC's from 2014 Mazda 6
on: April 28, 2017 (GMT)

I’m trying to diagnose a no-start condition on my 2014 Mazda 6 Touring.

When switched to ON, I see the CEL flash briefly, but hook up my ELM327 adapter and connecting to Torque and reading the codes shows no stored codes. I’ve been able to read codes from this phone / adapter combination on older vehicles in the past. Does anyone have any experience with my particular model, or another phone / adapter combination?

Thanks in advance
Capp777
Member
Posts: 2993
Post Re: Unable to read DTC
on: April 28, 2017 (GMT)

When you turn the ignition ON for my
vehicles the Check Engine MIL light will
come on briefly to verify its working.

Are you sure you have DTCs that are not
being reported?

In the past I experienced crank position
sensor failure which did not set a DTC.

Mode 3 returns generic and legislated DTCs.
e.g., P0xxx.

Manufacturer specific DTCs require a different
proprietary way to read codes.
e.g., P1xxx.
jollyjerry
Member
Posts: 3
Post Re: Unable to read DTC
on: April 28, 2017 (GMT)

Ya pretty sure there is a code because when I crank, the cel is flashing. But I also noticed there were adapter faults in the adapter status. Can’t see what those are when I clicked though
Capp777
Member
Posts: 2993
Post Re: Unable to read DTC
on: April 28, 2017 (GMT)

To my knowledge, there should not
be any errors showing for a working
adapter. You might try reinstalling or
better yet try a different adapter if
possible.
jollyjerry
Member
Posts: 3
Post Re: Unable to read DTC
on: April 29, 2017 (GMT)

Thanks, I think it may have been an error on my part. I pulled the MAF and it threw a code and read it fine. Maybe there just wasn’t a code even with the flashing during crank, or maybe there is a code, but it’s specific to Mazda?
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