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Daniel Wilson
Daniel Wilson,
Category: Medium and Heavy Trucks
Satisfied Customers: 4679
Experience:  Owner at DJ Wilson
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In regard to our gauge our problem with our Terex 4400

Customer Question

Dan,
In regard to our gauge our problem with our Terex 4400 truck, we are seeing codes 270 and 478. What do these mean?
Submitted: 1 year ago.
Category: Medium and Heavy Trucks
Expert:  Daniel Wilson replied 1 year ago.

Hi Bill, Could you get the engine model and serial number from the ID Tag? This is the MT4400 rock truck correct???? This is what I have for an engine codes list. But I do not see those in the list...Let me know

Fault codes

Customer: replied 1 year ago.
The information mechanics gave me is as follows:
The truck is an MT 4400AC Ser. # *****
It is a MTU/DDC series 4000 engine
Manufactured in 2009
Customer: replied 1 year ago.
Dan,
Does the last info I sent help?
Expert:  Daniel Wilson replied 1 year ago.

The only match I get is for aftertreatment. Does this truck have an aftertreatment system on it?

Expert:  Daniel Wilson replied 1 year ago.

5742

12

478

Aftertreatment Diesel Particulate

Filter Temperature Sensor

Module Bad Intelligent Device Or

Component

4158

Aftertreatment Diesel Particulate Filter Temperature Sensor

Module - Bad intelligent device or component

Expert:  Daniel Wilson replied 1 year ago.

Also,

641

15

270

Engine Variable Geometry Turbocharger Actuator #1 Data

Valid But Above Normal Operating Range - Least Severe Level

1962

VGT Actuator Driver Over Temperature (Calculated) - Data

Valid But Above Normal Operating Range - Least Severe Level

Customer: replied 1 year ago.
I don't think the fault codes are associated with our gauge issue. We're still chasing the ECM wiring and associated circuits. I'll let you know what we find. Thanks
Expert:  Daniel Wilson replied 1 year ago.

Hi Bill, Thanks you for the follow up. Keep me posted.

Expert:  Daniel Wilson replied 1 year ago.

Hi, did you get this resolved?

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