2019 Dd13 Engine Code Reading Western Star

If your Freightliner DD13 DD15 won't accelerate past 55 MPH there may exist a few reasons as to why you are experiencing thi s issue . The reason why F reightliner  puts you lot into an engine derate or reduces your  MPH is because they want you to correct the issue as soon equally possible or damage may occur to your aftertreatment s ystem.

M ain culprit  for this 55 MPH Speed Limit = O nset  of a ftertreatment pr oblems

When y'all are limited 55 MPH yous can be confident that it is nigh likely due to your aftertreatment system.

• Symptoms
• DEF Low-cal Flashing (RED)
• DEF Judge Empty (Possible )
• 25% Low P ower that limits yous to only go 55 M PH
• Once this happens yous are racing against fourth dimension before your truck limits y'all to 5 MPH

• Causes
• Components that can crusadea 55 MPH derate
• DEF Fluid Ran out - (Empty tank) - Refill as presently as possible.
• DEF Pump Failure - This is the middle of your organization that pumps DEF fluid into the 1box. If this pump fails,  then y'all must replace information technology for the arrangement to piece of work properly.
• NOx Sensor Failure  - NOx Inlet and NOx Outlet sensors are located on your 1box. These sensors measure how efficient your emission system is and volition cause a derate conditio n if they are faulty or accept wrong readings.
• ACM (Aftertreatment Control module)Not P owered  - This causescommunication fault s  betwixt CPC & MCM & ACM.
• AftertreatmentH arness R ubbed T hrough - This can crusade random faults in your emission arrangement.
• Aftertreatment system n eeds to be updated by the manufacturer.
• Ensure your software programme is up to appointment.

Engines that are affected

• Detroit Diesel fuel DD15
• Detroit Diesel DD13

Years and east missions

• 2011 - 2021 Year model
• EPA10
• GHG14
• GHG17

Models that are afflicted

• Freightliner Trucks - All models that use this engine
• Freightliner Cascadia (Nearly Popular)
• Western Star - All models that employ this engine

Terms to know

• SA (Source Accost)
• Relays information on which module is generating the fault lawmaking you have.

• MCM (Motor Control Module)
• This is ane of the most of import components to your engine. Without this module your engine will not start.
• MCM controls and regulates all your fuel, timing, EGR  and emission components.
• Source 00 or EEC 00 ( f ault c ode detail)
• Located on your engine .

• CPC (Common Powertrain Module)
• This module volition regulate sure parameters with your vehicle ' south speed and your cruise control.
• CPC ties the MCM to your aftertreatment computers through a proprietary datalink.
• Source i or EEC 01 ( error c ode detail)
• Located inside dash console inside the ca b .

• ACM (Aftertreatment Control Module)
• This module controls your DPF and your DEF system southward .
• ACM regulates all the fault codes that are tied to your aftertreatment organisation. If you lot have any error codes coming from this source address,  and then information technology is relaying information directly to your dashboard or your diagnostic scan tool.
• Source 61 or EEC 61 (fault code detail)
• Located on your aftertreatment 1box.

What fault codes will trigger this derate?

If y'all drive with the following fault codes, yous may enter a 5 MPH derate

• ENG one SPN 1231 F ail 9 - ACM Not communicating with your MCM / CPC
• EEC 61 SPN 1231 F ail 9 - ACM Not communicating with your MCM / CPC
• EEC 61 SPN 625 F ail 9 - ACM Not communicating with your MCM / CPC
• EEC 61 SPN 4364 Fail 1 - Selective Catalyst Reduction Nox Conversion Very Low
• EEC 61 SPN 4364 F ail eighteen - Selective Catalyst Reduction Nox Conversion LOW
• EEC 61 SPN 3364 F ail 2 - Improper DEF Quality
• Any other Aftertreament mistake codes  tied to DEF
• NOx Conversion fault codes - More than details in this web log mail about SCR NOx efficiency problems.

   *Seek out a repair facility who can help you in the case you lot are express to 5MPH.

2017+ T rucks - GHG17

If y'all have a 2017 or n ewer F reightliner or W estern  S tar  truck i of the error lawmaking due south below may be tied to your derate issue. You should as well make sure that your software is upward to date on your engine and a ftertreatment  computers because the mistake codes tin also appear if your software is not updated.

If the  following  fault codes do not articulate after you lot accept validated that the problem  has been corrected, then you may need to supervene upon your MCM . We take seen instances where these fault codes latch on and replacement of the MCM is ne cessary .

• EEC 0 SPN 521049 FMI 31
• DEF Inducement CEL Lamp Active
• This fault c ode s ets w hen t here is a c ode pr esent for the following:
• Diesel Exhaust Fluid (DEF) Tank Level
• DEF Dosing Unit
• DEF Pump
• NOx Sensors
• Blocked DEF Line
• DEF Quality
• NOx Efficiency
• Selective Catalyst Reduction (SCR) Harness
• SCR Sensor
• Monitored Parameters
• SCR and Diesel Particulate Filter (DPF) Sensors
• Engine Reaction
• 25 % Derate, 5 ehicle due south peed l imited to 5 5 MPH due to power derate
• Nuance Lamps
• DEF l amp is on
• Verification
• Parked SCR  e fficiency t est for due east xtended SCR f aults
• High i dle r egeneration for DPF and NOx fa ults
• Forced DPF r egen
• EEC 0 SPN 521050 FMI 31- MCM (Motor Control Module)
• DEF Inducement C EL Lamp Activ eastward
• This fault c ode appears a fter SPN 521049/FMI 31 and the s peed li mit has been r educed to 55 MPH ( 90 KPH)
• Monitored Parameters
• SCR and Diesel fuel Particulate Filter (DPF) s ensors
• Engine Reaction
• 40% Derate, Vehicle s peed l imited to 5 MPH (eight KPH ).
• Dash Lamps
• Checkeastward ngine 50 ight  (CEL)  on
• Verification
• Parked SCRe fficiency t est for e xtended SCR f aults
• Loftier Idler egeneration for DPF and NOx f aults
• Forced DPFr egen

• EEC 0 SPN 5210 52  FMI 31
• DEF Inducement CEL Lamp Active
• Thisfault c ode southward ets a fter SPN 521049/FMI 31 and the s peed  50 imit has been re duced to 55 mph  (90 KPH) .
• Monitored Parameters
• SCR and Diesel Particulate Filter (DPF)s ensors
• Engine Reaction
• iv0 % Derate, Vehicle s peed l imited to 5 MPH (viii KPH ).
• Nuance Lamps
• Check Engine Light(CEL) on
• Verification
• Parked SCRef ficiency t est for e xtended SCR f aults
• Highi dle r egeneration for DPF and NOx f aults
• Forced DPFr egen

What tin can you exercise? (DIY)

• Cheque your DEF fluid
• Make sure  that information technology 'due south topped off
• Look up the fault code that is on your dashboard
• I f you don't have a style to look up a fault code,  you may demand an additional diagnostic tool such as OTR Diagnostics to pull this fault lawmaking  from your truck
• Articulate the fault codes
• You clear the codes with a dealer level service tool,  or you can use OTR Diagnostics or the OTR R eset Tool to perform the resets.
• Perform a f orced DPF service regen
• When yous perform a  forced DPF regen on your truck it checks all the sub-systems that are in place to make sure that everything is working properly
• Yous tin can perform a forced DPF regen with a dealer level service tool, or you can use OTR Diagnostics or the OTR Reset Tool.
• There are quite afew fault codes that require you lot to run a forced DPF r egen to verify  that the organization is working
• We have seen a few scenario'south  where resetting the fault codes and performing a forced DPF regen will clear these g host codes that hinder your truck from going over 55 MPH

Helpful Video s

Fixing DEF Quality Fault Codes

• https://www.youtube.com/watch?v=zr5em086Tv4
• https://www.youtube.com/watch?v=esuK3chswRc

Nosotros hope you observe this blog postal service useful if you are stuck in a derate or if yous are just looking to educate yourself in the example that y'all observe yourself stuck in a derate.

Until adjacent time 👋
Stay condom, stay healthy, & God bless

Looking to learn more? Cheque out our other blog posts.

• What Happens to Your Aftertreatment System (Dr./DPF/SCR) When it Gets Contaminated With Fuel, Oil, or Coolant?

• How long should a forced DPF regeneration terminal?
• Tell-tale symptoms of a successful (or unsuccessful) forced DPF regeneration.
• What is face plugging? How does it happen? How can I gear up information technology?
• What happens if your truck can no longer regen?
• What is Forced DPF Regen?
• Common DPF questions Answered!
• What does poor DEF quality Mean?

OTR Diagnostics allows you to read and reset mistake codes, view live data and run advanced diagnostic functions, including forced DPF regen with your mobile telephone or tablet. Select which engine you lot have for your diagnostic package.

• Cummins ISX, ISB, ISC, ISL, X15, X12 Engines
• Detroit Diesel fuel S60, DD60, DD13, DD15, DD16 Engines
• Paccar MX11, MX13 Engines
• Paccar PX6, PX7, PX8, PX9 Engines
• Volvo D11, D13, D16 Engines
• Mack MP7, MP8, M10 Engines
• Professional (All-in-I) Engines

The OTR Reset Tool is specific to which model and engine you lot have. Select which engine for more than specific details.

• Volvo D11, D13, D16 Engines
• Mack MP7, MP8, MP10 Engines
• Cummins ISB, ISL, ISX Engines
• Paccar MX11, MX13 Engines
• Paccar PX6, PX7, PX8, PX9 Engines
• Detroit Diesel S60, DD13, DD15, DD16 Engines
• International Maxxforce 11/thirteen N13 N9 N10 Engines

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Source: https://otrperformance.com/blogs/quick-tips/freightliner-dd13-dd15-wont-accelerate-past-55-mph

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