Disable DTC errors SID20x LandRover Discovery 2.7TD

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Disable DTC errors SID20x LandRover Discovery 2.7TD

Postby sa.bondarenko » Fri May 08, 2015 12:11 pm

Hi All,
I have a dump of my ECU (read by KESS I believe) and looking a way to disable EGR-related fault codes - P0405 and P140A.

Could someone explain how to identify DTC table and DTC switches in the attached dump?

Thanks!
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Re: Disable DTC errors SID20x LandRover Discovery 2.7TD

Postby BokiRS » Fri May 08, 2015 12:21 pm

you shuold do dtc off + histeresys

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Re: Disable DTC errors SID20x LandRover Discovery 2.7TD

Postby sa.bondarenko » Fri May 08, 2015 5:51 pm

BokiRS wrote:you shuold do dtc off + histeresys


Histeresys is already done (should be there) in the past, that was done while EGR valves where plugged in.
Now I have a need to remove valves completely and while I plug control wires off I've get mentioned dtc errors and MIL light.

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Re: Disable DTC errors SID20x LandRover Discovery 2.7TD

Postby ecuedit » Fri May 08, 2015 11:24 pm

disconnect both valves and make few drivings up to working temperature,
than leave it to cool down, than put some ignitions on and off for few times,
check which DTC errors are presented and write that down here.

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Re: Disable DTC errors SID20x LandRover Discovery 2.7TD

Postby sa.bondarenko » Sat May 09, 2015 2:08 pm

ecuedit wrote:disconnect both valves and make few drivings up to working temperature,
than leave it to cool down, than put some ignitions on and off for few times,
check which DTC errors are presented and write that down here.


Hi, there are two errors - P0405 and P140A

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Re: Disable DTC errors SID20x LandRover Discovery 2.7TD

Postby ecuedit » Sat May 09, 2015 9:26 pm

here you go,
put hysteresis maps to 0 by yourself.
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Re: Disable DTC errors SID20x LandRover Discovery 2.7TD

Postby sa.bondarenko » Mon May 25, 2015 1:08 pm

ecuedit wrote:here you go,
put hysteresis maps to 0 by yourself.


Thank you ecuedit!
I will study your changes. So you're saying my ecu dump does not contain hysteresis off? Shit. I was told it does.
I'll try to locate maps but obviously without a Damos/mappack for my ECU I will not be able to find them on my own.
Thanks again for your help.

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