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Freightliner cascadia 2012 Detroit dd15. 1st code was 3216-21. Second code was 523531-31. Both codes went away. Engine light still. All electric shut off and then came back on.

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Posted on Jan 02, 2017

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SOURCE: What does the fault code s42 mean on a 2012 freightliner cascadia

as there can be 4 different engines in the make and each has specific codes for each engine, you will have to give more details as to engine make and size, year, model

Posted on Nov 28, 2015

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SOURCE: 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

Posted on Jun 05, 2016

emissionwiz
  • 76846 Answers

SOURCE: 2012 freightliner cascadia engine code ECU 1. What does this mean

Ecu 1 fault means the engine EMC has a internal fault and needs to be replaced. Most of the time with this code It's not the ecm itself it's usually a wiring problem going to ECM. Their should be two fuses for ECM either next to ECM in plastic covers or by starter or in battery box. So you need to check all your wiring going to and from engine ECM (it's on drivers side of engine) and all your engine, starter, and battery grounds. Most of the time its a bad ground wire so take your time and check all over for any place that wiring could get rubbed through and all your connections are clean and tight. You would also want to disconnect battery negative while your doing this or it will log a bunch of other codes. Make sure all connection are corrosion free clean them as needed.

Posted on Jun 06, 2016

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1 Answer

What would cause a code 4354 on a 2016 Freightliner Cascadia?


the code means something but only if the engine make , type and transmission make and type is known
Freightliners run 3 different engine and up to 4 different transmissions and the code will be specific to that combination
take it to a freightliner service center and have it fixed

Oct 01, 2016 | Cars & Trucks

1 Answer

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

Jun 05, 2016 | Cars & Trucks

1 Answer

2012 freightliner cascadia engine code ECU 1. What does this mean


Ecu 1 fault means the engine EMC has a internal fault and needs to be replaced. Most of the time with this code It's not the ecm itself it's usually a wiring problem going to ECM. Their should be two fuses for ECM either next to ECM in plastic covers or by starter or in battery box. So you need to check all your wiring going to and from engine ECM (it's on drivers side of engine) and all your engine, starter, and battery grounds. Most of the time its a bad ground wire so take your time and check all over for any place that wiring could get rubbed through and all your connections are clean and tight. You would also want to disconnect battery negative while your doing this or it will log a bunch of other codes. Make sure all connection are corrosion free clean them as needed.

Jun 05, 2016 | Cars & Trucks

1 Answer

What does the fault code s42 mean on a 2012 freightliner cascadia


as there can be 4 different engines in the make and each has specific codes for each engine, you will have to give more details as to engine make and size, year, model

Nov 28, 2015 | Cars & Trucks

1 Answer

2013 freightliner cascadia. What is this code.. eng 2 spn003464 throttle cmd 16?


need to know the engine manufacture as there are 3 possible engine and each has their own specific codes

Oct 24, 2015 | Cars & Trucks

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2014 freightliner cascadia, dd13 showing an active code mil light Diag, says ecu 01 , what can that be


the code dd13 for a detroit series 60 refers to coolant level sensor ---input voltage low
should be in the radiator top tank and energizers when the coolant level in the cooling system falls below a set point in the radiator
contact a service dealer for a diagnosis and information as to the fix.

Sep 05, 2015 | Cars & Trucks

1 Answer

2015 Cascadia Freightliner. Why can't I get it to idle more than 15 minutes?


Idle shutdown override for Freightliner Cascadia. - YouTube

? 1:59
www.youtube.com/watch?v=FuUzIUq_nXQ
Jan 9, 2015 - Uploaded by SurvivalTrucker
Learn how to prevent your Freightliner Cascadia from shutting down due to the idle kill feature many trucking company employ ... Published on Jan 9, 2015 ... +Devon Kearse , Sorry noexperience with them, just the old 387's.

Aug 12, 2015 | Cars & Trucks

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