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I have a 140M. SN/CB9D00156. I have a intermittent no start.

Customer Question
Hello. I have a 140M. SN/CB9D00156. I have...
Hello.
I have a 140M.
SN/CB9D00156.
I have a intermittent no start. New starter, alternator and batteries replaced in the last 6 weeks. It will go several days and not crank, then you try again later and it fires up and runs like no issues.
When it does not start code 296_9 is present.
Thank you
Submitted: 1 year ago.Category: Construction and Road Equipment
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Answered in 4 hours by:
9/9/2021
Mechanic: catmastertech, Technician replied 1 year ago
catmastertech
catmastertech, Technician
Category: Construction and Road Equipment
Satisfied Customers: 4,007
Experience: Field service technician for CAT 19 years.
Verified

Hey, sorry to hear you are having these problems. I know that can be frustrating. Hopefully, we can get you back to work quickly.  I see no one could help you earlier, and I hope this is not too late to be helpful. Please note that I am not set up for phone calls, you can ignore the site pop-ups. We can post to this chat as much as you like to work through this issue. All experts are not employees, and we work from home in our spare time to answer questions.

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It would appear the transmission ECM is losing power or the data link between the transmission ECM and the other  ECMs is faulty.

296-9 Transmission Control : Abnormal Update Rate    Communication with the transmission control cannot be established within three seconds after the Electronic Control Module (ECM) is powered up. After communication with the transmission control has been established, communication stops for one second.    The ECM will log the diagnostic code. All features of the transmission control that rely on the data link are disabled. The ECM will disable the automatic control of engine speed through the throttle lock feature.

See the attached file for details.

https://drive.google.com/file/d/1aYfmqWNIxO7TZBVYrfCHufIR8rtJkCWZ/view?usp=sharing

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Customer reply replied 1 year ago
Thank you Sir. Would this code create a no crank condition?
Mechanic: catmastertech, Technician replied 1 year ago

Sorry, wrong file. Use this link.https://drive.google.com/file/d/13V4OqoBHWJNR5HU2RtdhXMTArE3ohn5y/view?usp=sharing

yes crank is in transmission , not engine

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