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DDEC4 Hard Code 53
#1

Unit 639 2002 model

Hello, Mike and I need guidance. 

Engine recently started puffing black smoke. 

Tech using diagnostic equipment recommended a new engine computer. 

New computer made smoke worse. 

Now the DDECU4 indicates a Hard Code 53

Any ideas?

Mike is at the shop that sold him the new computer but they don’t have answers. 

Thank you!
JK

Kristi & Jeff King
Bentonville, Arkansas
#744 2005 45’ Newell Coach 
ZF Suspension/Active Steering Tag Axle
CAT-13 ACERT KCB Engine 525HP 1642 ftlbs Torque Cat Compound Turbocharger 43.5 psi
Allison HD4000MH Transmission with PTO drive.
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Messages In This Thread
DDEC4 Hard Code 53 - by jdkskyking - 11-05-2018, 10:46 AM
RE: DDEC4 Hard Code 53 - by Georgeb - 11-05-2018, 11:29 AM
RE: DDEC4 Hard Code 53 - by jdkskyking - 11-05-2018, 11:35 AM
RE: DDEC4 Hard Code 53 - by Fulltiming - 11-05-2018, 03:59 PM
RE: DDEC4 Hard Code 53 - by jdkskyking - 11-06-2018, 06:46 AM
RE: DDEC4 Hard Code 53 - by Richard - 11-06-2018, 09:07 AM
RE: DDEC4 Hard Code 53 - by jdkskyking - 11-07-2018, 06:39 PM

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