I've just replaced the glow plugs in my Megane.
I have a MaxiScan MS509 OBDII tool and would like to clear the diagnostic trouble code.
If the engine is running it will show the Glowplugs DTC that was there before I started work (P0670).
When I try to erase the code it says "Erase Failure. Turn Key On with Engine Off"
If I turn the engine off and the ignition on (i.e. press the Start button twice) it says the same.
Is there some trick to this?
Can't clear DTCs?
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Re: Can't clear DTCs?
Hi try pressing START button but DO NOT PRESS any pedals, this turns IGN on but does not start engine....fingers crossed for you
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