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 Post subject: Re: DIY ECU Flash
PostPosted: Fri Oct 14, 2022 5:55 pm 
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Joined: Mon Aug 29, 2022 10:45 pm
Posts: 17
Yeti wrote:
ScootGoose wrote:
How can I get my hands on Windows 7/Vista/or XP license? I'm running Windows 10 on one laptop and Windows 11 on another, and both give me the MPPS Tuner error on start-up (The instruction at 0x00000000...002D referenced memory at 0x00..02D. The memory could not be read.). Alternatively, is there a workaround to this that I've missed somewhere?



on win 10

install like administrator the v12 and the v13 that is an update

manually install the driver like administrator

disable the windows pop up that appear each time you run an app

and disable antivirus and internet

if you have trouble contact me and I can check the installation via teamviewer
This worked, thank you!

Sent from my SM-G973F using Tapatalk


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 Post subject: Re: DIY ECU Flash
PostPosted: Sun Jan 08, 2023 5:38 pm 
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Joined: Tue Oct 16, 2007 10:54 pm
Posts: 55
Location: 05201 w/ a DRBIII
I've upgraded the turbo and now I'm making more boost, which is a good thing since the increased airflow has cut down on the black smoke.

Can someone please help me to bump up the overboost value in the ECU so that it doesn't go into limp mode? I'm using Titanium, but don't know where to modify these values.

Thanks!

_________________
06 KJ Limited CRD
mod airbox
EHM
Mishimoto hoses
Weeks Stage1+2
Yeti stage 2 ECM
GDE ECO TCM
FTC billet TC
Transgo kit
no mech fan
Cummins lift pump
2.5" catback
OME 790/948 springs
JBA top plate and UCAs
2 upper rear insulators
Bilstein 24-139168 front 24-186704 rear
255/70R16
1.25" wheelspacers
SkidRow engine plate


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 Post subject: Re: DIY ECU Flash
PostPosted: Sun Jan 08, 2023 9:41 pm 
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Posts: 6804
Location: Central GA
uncaged wrote:
I've upgraded the turbo and now I'm making more boost, which is a good thing since the increased airflow has cut down on the black smoke.
Can someone please help me to bump up the overboost value in the ECU so that it doesn't go into limp mode? I'm using Titanium, but don't know where to modify these values.
Thanks!
If you are getting overboost problems, your MAP sensor is most likely bad and giving ECM incorrect boost pressure readings?
Or the turbo vanes are sticking?
I would replace it first with a GM MAP sensor and see what you get.
GM PN: 55206797
New GM PN: 55568175
IDParts sales the GM sensor.

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05 Jeep Liberty CRD Limited :JEEPIN:
Ironman Springs/Bilstein/Shocks
Yeti StgIV Hot Tune
Week's BatteryTray
No FCV/EGR
Samcos/ProVent
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Carter Intank-pmp
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98 Dodge Cummins 24 Valve


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 Post subject: Re: DIY ECU Flash
PostPosted: Mon Jan 09, 2023 12:25 am 
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Joined: Tue Oct 16, 2007 10:54 pm
Posts: 55
Location: 05201 w/ a DRBIII
I have the GM sensor and it's working fine. I'm purposefully making more boost because of the increased fueling. It runs the way I want it right now.

I've gotten the ECU to stop throwing a MIL, but it will still go into limp mode, and I know it's because the boost is above some threshold.

User JWARREN made mention of raising it somewhere back in page 40 or something. I would like to know how it's done. Thanks.

_________________
06 KJ Limited CRD
mod airbox
EHM
Mishimoto hoses
Weeks Stage1+2
Yeti stage 2 ECM
GDE ECO TCM
FTC billet TC
Transgo kit
no mech fan
Cummins lift pump
2.5" catback
OME 790/948 springs
JBA top plate and UCAs
2 upper rear insulators
Bilstein 24-139168 front 24-186704 rear
255/70R16
1.25" wheelspacers
SkidRow engine plate


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 Post subject: Re: DIY ECU Flash
PostPosted: Mon Jan 09, 2023 1:53 am 
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Joined: Sat Aug 24, 2013 11:36 pm
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Location: Central GA
If the ECM sees boost rise above a certain pressure, it will put the vehicle into limp mode, been there done that.
The GM MAP sensor is good for the following parameters.
- 0.2 - 3.0 bar (44psi) Pressure Sensor for air
- -40 - 130 deg C Temperature sensor for air

What the exact setpoint in the ECM software that trips the overboost I am not sure of. I believe it is above about 28-30 psig?
Yeti might could tell us the exact trippoint?

_________________
Supporting Vendor and Moderator of LOST
05 Jeep Liberty CRD Limited :JEEPIN:
Ironman Springs/Bilstein/Shocks
Yeti StgIV Hot Tune
Week's BatteryTray
No FCV/EGR
Samcos/ProVent
SunCoast/Transgo
Carter Intank-pmp
2mic.Sec.Fuel Filter
Flowmaster/NO CAT
V6Airbox/noVH
GM11 Bld.fan/HDClutch
IronrockArms/wwdieselMount

98 Dodge Cummins 24 Valve


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 Post subject: Re: DIY ECU Flash
PostPosted: Wed Jan 11, 2023 7:55 am 
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Joined: Sun Aug 07, 2022 8:54 pm
Posts: 6
Is there a tune with cold temperature fast idle? I'm planning to go on 811 stage 2.
It's -21°C this morning. The jeep starts unpluged on remote starter but did not heat until I step in and go on the road.


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 Post subject: Re: DIY ECU Flash
PostPosted: Wed Jan 11, 2023 7:10 pm 
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Joined: Tue Oct 16, 2007 10:54 pm
Posts: 55
Location: 05201 w/ a DRBIII
According to the McNally boost gauge, 21-22 psi won't cause limp mode, but 23-24 psi will.

It would seem that the sensor reports (and the ECU operates) in absolute value, because the DRBIII reads the ECU boost value as 14.x psi at idle (no boost from the turbo).

Again though, knowing the setpoint is not what I'm looking for. I'm looking for the location in the ECU of *where* that value is set and how to change it in Titanium.

Thanks!

_________________
06 KJ Limited CRD
mod airbox
EHM
Mishimoto hoses
Weeks Stage1+2
Yeti stage 2 ECM
GDE ECO TCM
FTC billet TC
Transgo kit
no mech fan
Cummins lift pump
2.5" catback
OME 790/948 springs
JBA top plate and UCAs
2 upper rear insulators
Bilstein 24-139168 front 24-186704 rear
255/70R16
1.25" wheelspacers
SkidRow engine plate


Top
 Profile  
 
 Post subject: Re: DIY ECU Flash
PostPosted: Wed Jan 11, 2023 9:18 pm 
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Joined: Sat Aug 24, 2013 11:36 pm
Posts: 6804
Location: Central GA
uncaged wrote:
According to the McNally boost gauge, 21-22 psi won't cause limp mode, but 23-24 psi will.
It would seem that the sensor reports (and the ECU operates) in absolute value, because the DRBIII reads the ECU boost value as 14.x psi at idle (no boost from the turbo).
Again though, knowing the setpoint is not what I'm looking for. I'm looking for the location in the ECU of *where* that value is set and how to change it in Titanium.
Thanks!

Contact Yeti on this forum, he can provide the information.

_________________
Supporting Vendor and Moderator of LOST
05 Jeep Liberty CRD Limited :JEEPIN:
Ironman Springs/Bilstein/Shocks
Yeti StgIV Hot Tune
Week's BatteryTray
No FCV/EGR
Samcos/ProVent
SunCoast/Transgo
Carter Intank-pmp
2mic.Sec.Fuel Filter
Flowmaster/NO CAT
V6Airbox/noVH
GM11 Bld.fan/HDClutch
IronrockArms/wwdieselMount

98 Dodge Cummins 24 Valve


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