Mazda6 5 Warning Lights

Asked by Aug 26, 2017 at 03:34 PM about the 2015 Mazda 6

Question type: Maintenance & repair

I purchased a 65 plate Mazda 6 2.2D SE-L at the end of April. After a month or
so, the oil filter dropped out and poured the entire contents of the engine’s oil
onto the floor. The car was driven in limp mode for a few metres like this but no
more, so I’m hoping it’s nothing to do with the problems it has now. Then a few
weeks ago the car wouldn’t start. Had RAC come out who eventually got it
started but couldn’t find a cause. They reckoned it was most likely rollback
and that sufficient pressure just needed building up to push the air through.

Thursday afternoon the SCBS Malfunction light came on. This has come on
before then cleared when the car was restarted, so I carried on to my
destination then restarted the car thinking it would be gone. Instead, the SCBS
warning remained, but was also joined by a DSC malfunction and an Engine
System Malfunction warning light. The next day I figured I’d drive my partner to
work (75 mile round trip), and call in to the dealer in the afternoon. On the way
back, the warnings were joined by a PM Accumulation in DPF warning. I
thought this was weird as the car is purely used for long distance driving, and
at 150 miles a day I’d have thought the DPF would regularly get warm enough
to burn any soot off. But I followed the car’s warning, filled it up in case it was
too low to force an active regeneration, got it warm then drove up and down
the motorway a good few times keeping the revs high enough. Nothing worked
though, it wouldn’t regenerate and now my car has been joined by a 5th
warning, DPF Malfunction.

I don’t seem to be getting many trouble codes through the EOBD port. P2118
keeps coming up, but seemingly nothing about the SCBS or DSC. For one
brief moment I got a trouble code of P1260, probably because the engine
hadn’t been switched on for long, and P2458, but that’s now disappeared. The
car has manufacturer warranty being only 2 years old and 47,000 miles, but
they’ll tell me it’s DPF and not covered. Any ideas what is going on here, and
why suddenly the car would have a cascade of so many warnings?

1 Answer


I think you should take the car into Mazda and be very specific with the order in which the warning lights and problems developed. I think you need to stress to them that the DPF issue was the last to occur and that there is no reason for it to be blocked as the car is not used for short runs. It sounds like there is a serious problem with the car and a decent dealership shouldn't fob you off with 'It's the DPF'. If you don't get any joy from the dealership you should escalate the problem to Mazda UK's head office... dealers always try to work a little harder if they know they are under scrutiny.

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