Fersho

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Feb 7, 2016
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Give me more information, such as I have Cummins ISB6.7 CM2250 (2010-2014) Wiring Diagram, Do you need it ?
No...let me explain better. I am doing a Bench Harness with it's ROM Boot button and don't know the pins to use for the ROM Boot. Thank you very much for contacting me.
 

DHTmaster

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Give me Cummins Engine Serial Number (ESN) / ECM code Sir, I have Cummins ISX 2250 like that

Untitled.png
 

Fersho

New Member
Feb 7, 2016
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No...let me explain better. I am doing a Bench Harness with it's ROM Boot button and don't know the pins to use for the ROM Boot. Thank you very much for contacting me.

Give me Cummins Engine Serial Number (ESN) / ECM code Sir, I have Cummins ISX 2250 like that

View attachment 82327
Engine Serial # 79532019 / ECM Code: CL10135.36 / ECM Part # 4993120. Following photo is of a CM871 Bench Harness. I am trying to do one for the CM2250, but need the Pinout for the Rom Boot Button. Thank you very much for your time.
 

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DHTmaster

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I use your ECM Part # 4993120 to search and your ECM is like this right ?

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Model use ECM Part # 4993120:
ISB6.7 CM2250 BBN, ISC8.3 CM2250 BBO, ISL9 CM2250 BBP, QSB6.7 CM2250 BBQ, QSB6.7/QSL9 CM2250 Komatsu BBR, QSL9 CM2250 L115 BBS, ISX12/11.9/15 CM2250 BBZ, QSX11.9/15 BCC, QSX15 CM2250 BCN, QSB3.3 CM2250 BCZ, QSB4.5 CM2250 BDA, QSB6.7-M CM2250 BDB, ISX15 CM2250 SN BDG, QSB6.7/QSL9 CM2250 BDQ, QSL9 CM2250 L106 BGF, 4D95 3.3 CM2250 K14, 6D125/6D140/6D170 CM2250 K15/K16

I have wiring diagram for it

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Fersho

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Feb 7, 2016
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Yes, that's the ECM and Wiring Diagram. I know the Pinout for the Battery (+) and (-). the Ignition Key and Data Link (+) and (-). Now I need pinout for the ROM Boot Button. This is what I don't have the information of how or where to connect Rom Boot. Thanks for your time.
 

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DHTmaster

Administrators
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Dec 15, 2021
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28
USA
Yes, that's the ECM and Wiring Diagram. I know the Pinout for the Battery (+) and (-). the Ignition Key and Data Link (+) and (-). Now I need pinout for the ROM Boot Button. This is what I don't have the information of how or where to connect Rom Boot. Thanks for your time.
Did you connect this ECM with Cummins Instie and Cummins Insite request Room Boot or You can't connect this ECM ?
 

Fersho

New Member
Feb 7, 2016
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3
62
Panama
Did you connect this ECM with Cummins Instie and Cummins Insite request Room Boot or You can't connect this ECM ?
Yes, I connected with Cummins Insite, tried to download a Calibration File, download failed and now Insite asks to ROM Boot the ECM.
 

DHTmaster

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Dec 15, 2021
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Yes, I connected with Cummins Insite, tried to download a Calibration File, download failed and now Insite asks to ROM Boot the ECM.
I can help you with that, connect ECM with Cummins Insite and give me your Teamviewer, i will help you.
 

Fersho

New Member
Feb 7, 2016
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I can help you with that, connect ECM with Cummins Insite and give me your Teamviewer, i will help you.
Right now I am not at work. I would have to go in the afternoon for the ECM at the shop and bring it home. At the shop there is no Internet service. I would have to set up TeamViewer and let you know when ready. Excuse me for all the inconvenience.
 

DHTmaster

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Dec 15, 2021
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Right now I am not at work. I would have to go in the afternoon for the ECM at the shop and bring it home. At the shop there is no Internet service. I would have to set up TeamViewer and let you know when ready. Excuse me for all the inconvenience.
OK, contact me when you ready
 

Fersho

New Member
Feb 7, 2016
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62
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OK, contact me when you ready
Sorry never answered back. I got Covid and was away from work. Customer sent ECM to another shop and they fixed the Rom Boot issue. Now I am back with another problem, but with a Cummins ISB CM550. It's a new ECM and doesn't communicate with Insite and was thinking that probably needs to Rom Boot, but I don't know the Pin Numbers to use. I know the Battery, Ignition and Data Link Pins, not the Rom Boot Pins. Thanks.
 
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