SOURCE: I have a 2012 Freightliner Detroit DD15, it pushing oil out of the breather and steam/smoke, what could be causing the problem? Has anybody dealt with this problem before?
I have a freightliner cascadia 2018 whith a DD15 and presents code SPN 523330 FMI 4 you have answered before, can you especify what is the blend door or where it goes? what does mean HVAC?
posted 3 times , the 523330 code is for the blend door actuator. HVAC ,means heating ventilation and air conditioning system. in driver parlance means AC cooling or heating to the cab. the huge box under the dash has dampers insides one is called. blend. (it blends hot and cold air to what you want) it is stuck, and many times just the actuator motor to it is bad sorry no huge truck manuals here, so cant guess. but most modern are use electric motor drive damper actuators. it has nothing to do with engine, if it gets fully hot and hot air from the dash is good, no country told.
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Nov 17, 2022 •
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Where is the starter relay on a 2010 freightliner DD-15
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Be the first to answerJul 26, 2019 •
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Check engine light on dd15 truck cascadia frightliner
You need to determine which sensor is causing the check engine light to come on. being a freightliner the most likely culprit is the engine oil pressure
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Nov 08, 2018 •
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Hello where is located outside temperature sensor on freightliner Cascadia 2016 DD15.
Dd15 2015 freightliner will not charge. batteries good, alternator new, wires and cable conn. good. low voltage dtc's are in common powertrain control mod. is cpc the issue?
voltage regulator is a problem it is either part of the alternator , external or part of the ECM have an auto electrician check the charge circuit
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Nov 03, 2017 •
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2012 freightliner cascadia DD15 fault code ECU 1... prior to the fault code the engine bogged down really bad and solid yellow and check engine light come on.
an answer from just answers reports this ecu 1 fault means the engine ECM has an internal fault and needs to be replaced most of the time with this code it is not the ECM itself but usually a wiring problem going to the ECm there should be 2 fuses for the ECM either next to the ecm in plastic covers by a starter or in a plastic box check all wiring going to and from the engine and battery grounds especially the grounds check for wires rubbed through and loose terminals take it to a service dealer for a proper diagnosis as it costs money wasting time trying to find the fault yourself as a truck standing still is not earning it's keep
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Jun 05, 2016 •
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I have a 2012 Freightliner Detroit DD15, it pushing oil out of the breather and steam/smoke, what could be causing the problem? Has anybody dealt with this problem before?
Gasket. Im a diesel mechanic. Check gaskets
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Mar 24, 2016 •
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Where can I find what the fault lites mean. on the dash of a Cascadia w/dd15
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