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I have a 2010 Mack chu truck mp8 engine that quit going down…

Customer Question
I have a 2010 Mack...
I have a 2010 Mack chu truck mp8 engine that quit going down road backfired and shut down it won't crank over checked every fuse powe to dash has codes of mid140ppid278fmi9 def gage reads empty but full computer says data link 1939 no communication changed fuel sender in def tank checked for broken wires have any ideas thanks Garry
Submitted: 8 years ago.Category: Medium and Heavy Trucks
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Answered in 18 minutes by:
12/27/2013
Technician: Daniel Wilson,
 replied 8 years ago
Daniel Wilson
Category: Medium and Heavy Trucks
Satisfied Customers: 14,842
Experience: Owner at DJ Wilson
Verified
Hi my name is Dan. I will try to help. Check all your fuses and check your ECM fuse which should be between your battery box and ECM. It sounds like your ECM has likely lost power and is not communicating. Let me know and Ill help any way I can.
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Customer reply replied 8 years ago
The fuse bar between battery is good first thing I checked I have checked every fuse and breaker with ohm meter I have power to to firewall from battery I tried a different def module also still can't get the def gauge to read but fuel gage mack figures it could be the main computer
Technician: Daniel Wilson,
 replied 8 years ago
Thanks for the update Garry. If the harness checks out and the ECM has power and ground then it is very likely an ECM problem. I would check to see if a scan tool will read the ECM. If there is any way you might have access to a test ECM I would try that. Let me know
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Customer reply replied 8 years ago
Found problem top harness to ECM rubbed thru and two wires broke repaired wires and now starts thanks Garry Martens
Technician: Daniel Wilson,
 replied 8 years ago
Thanks for the update Garry. Glad you found it and are up and running again. If you feel my information has helped please rate accordingly so I will receive credit for assisting you. Please feel free to request me in the future if you need help with anything and ill be glad to help.
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Daniel Wilson
Daniel Wilson
Daniel Wilson
Category: Medium and Heavy Trucks
Satisfied Customers: 14,842
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