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I have a Freightliner 122SD with a Detroit DD15 DDEC13. Vin#

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***** When the vehicle arrived...
I have a Freightliner 122SD with a Detroit DD15 DDEC13. Vin# ***** When the vehicle arrived the pigtail for the EGR actuator was cut off and missing (came from auction). The pigtail has been replaced and any related faults to the actuator have been resolved and have successfully cleared. The truck is still in derate with the following active codes, SPN 5246 FMI 0, SPN 5246 FMI 15, SPN 5246 FMI 16, SPN 247 FMI 14. The following codes are listed as permanent, SPN 3364 FMI 2, SPN 4364 FMI 18. I have followed the troubleshooting using the DDDL 8 for the SCR/DEF related codes, each time a regen is attempted fuel is not dosed and temperatures will not go above 475 degrees. For the code SPN 247 FMI 14, I have attempted to reset the ash level multiple times and the operation fails. Looking for my next step in troubleshooting to get this truck out of derate. DEF quality was tested with a refractometer and dosing quantity was within spec.
Submitted: 1 year ago.Category: Medium and Heavy Trucks
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9/16/2020
Technician: roybelding, Shop Foreman Freightliner trucks replied 1 year ago
roybelding
roybelding, Shop Foreman Freightliner trucks
Category: Medium and Heavy Trucks
Satisfied Customers: 12,915
Experience: Shop Froeman for Freightliner Trucks
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Hello, my name is ***** ***** sorry to see you are having issues. Give me a couple of minutes to review your issue and I will assist you

Roy

Good morning

Let me check on the codes.

Roy

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Technician: roybelding, Shop Foreman Freightliner trucks replied 1 year ago

OK. 247 below

116.1  SPN 247/FMI 14 - EPA07 - GHG14

SPN 247/FMI 14 (MCM Reported Ash Mileage is Lower than the CPC Stored Value)

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  1. Connect DiagnosticLink® .
  2. Turn the ignition ON (key ON, engine OFF).
  3. Select DPF Ash Accumulator from the Actions Drop-down Menu.
  4. Choose MCM Replacement Option, then select the Synchronize from the CPC radio button.
  5. Verify that the MCM value has changed in the DPF Ash Accumulator window and that the 247/14 CPC fault is no longer active. MCM will change to a value that should be within 5% of the CPC displayed volume within 5-10 seconds of executing the routine. Clear all faults and release vehicle.
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Customer reply replied 1 year ago
Have tried that a few times it fails each time
Technician: roybelding, Shop Foreman Freightliner trucks replied 1 year ago

5246 codes

Regulatory Fault Ignored - Final Action (Speed Limit)Print

ECM: Detroit - DD15 GHG14 (2014-16)

Fault: SPN 5246 FMI 0 (ACM)

SPN: 5246

FMI: 0

NOTE: This code sets when SPN 5246/FMI 16 has been present for one hour of idle time, the vehicle has been restarted or six gallons of fuel has been used.

ENGINE REACTION:

1. Idle only, vehicle limited to 5 MPH.

2. Parked SCR efficiency test for extended SCR faults.

VERIFICATION:

High idle regeneration for DPF and NOx faults.

NOTE: For 2010 emission engines, if 5246-0, 5246-15, or 5246-16 are the only faults present, please troubleshoot code 3361-7 instead.

NOTE: This is a government mandated code which informs users that fault code has been active for longer then a government specified time interval.

3361 7 attached.

https://static.nhtsa.gov/odi/tsbs/2015/SB-10058862-9015.pdf

3364 2

350.2  SPN 3364/FMI 2 - GHG14

Improper Diesel Exhaust Fluid Quality

SPN 3364/FMI 2

DescriptionImproper Diesel Exhaust Fluid (DEF) Quality

Monitored ParameterDEF Quality

Typical Enabling ConditionsDEF Refill Event Detected

Monitor SequenceNone

Execution FrequencyContinuous When Enabling Conditions Met

Typical DurationTwo hours

Dash LampsMIL, CEL, DEF Lamp Flash

Engine ReactionNone

VerificationParked Regeneration

Check as follows:

NOTE: Retain a log file if Detroit™ Customer Assistance is required.

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ENGINE EXHAUST
To avoid injury from inhaling engine exhaust, always operate the engine in a well-ventilated area. Engine exhaust is toxic.

PERSONAL INJURY
To avoid injury before starting and running the engine, ensure the vehicle is parked on a level surface, parking brake is set, and the wheels are blocked.

HOT EXHAUST
During parked regeneration the exhaust gases will be extremely HOT and could cause a fire if directed at combustible materials. The vehicle must be parked outside.

NOTICE:

Running engine with DEF Dosing Unit disconnected will induce faults.

NOTICE:

Do not attempt to operate engine with the DEF lines disconnected. DEF pump runs and circulates DEF through the system at a limited rate (default) to aid in system cooling.

NOTE: NOx Inlet normal reading should be 0 to 50 ppm higher than the NOx Outlet reading.

ENGINE EXHAUST
To avoid injury from inhaling engine exhaust, always operate the engine in a well-ventilated area. Engine exhaust is toxic.

PERSONAL INJURY
To avoid injury before starting and running the engine, ensure the vehicle is parked on a level surface, parking brake is set, and the wheels are blocked.

HOT EXHAUST
During parked regeneration the exhaust gases will be extremely HOT and could cause a fire if directed at combustible materials. The vehicle must be parked outside.

  1. Was another emission component-related fault code repaired prior to this step?
    1. Yes; perform a parked regeneration to verify repairs and clear fault codes.
    2. No; Go to step 2.
  2. Use DEF test strip A0005850202 to check for diesel fuel or oil contamination of the DEF fluid; Refer to section "Checking Diesel Exhaust Fluid Quality" . Does the test strip or visual inspection indicate that the DEF is contaminated?
    1. Yes; for diesel fuel or oil contamination, refer to 13 TS-17 and refer to appropriate Original Equipment Manufacturer (OEM) literature for DEF tank cleaning/flushing procedures. Verify repair.
    2. No; Go to step 3.
  3. Using a refractometer from the DEF Test Kit W060589001900, measure the DEF percentage. Is DEF percentage between 31 to 34%?
    1. Yes; Go to step 4.
    2. No; clean/flush the DEF tank, then Go to step 7. Refer to section "Flushing of the GHG14 Diesel Exhaust Fluid System" .
  4. Turn ignition ON (key ON, engine OFF).
  5. Visually check all DEF lines for physical damage (kinks, cracks, leaks and disconnects). Is any damage found?
    1. Yes; repair as necessary, Go to step 7.
    2. No;Go to step 6.
  6. Unbolt DEF Dosing Unit from exhaust only. Do not disconnect DEF hoses or electrical connector. Refer to section "Removal of the GHG14 Dosing System Doser" .
  7. Perform a DEF Quantity Test service routine and record the amount of DEF fluid level dispensed. Is the dispensed DEF fluid level between 108 to 132 mL (3.65 and 4.46 ounces)?
    1. Yes; reinstall DEF Dosing Unit. Go to step 8.
    2. No; replace DEF Dosing Unit. To verify repairs, Go to step 8.
  8. Connect DiagnosticLink® . Monitor (chart) the following parameters.
    • ASL102 Engine Speed
    • AS018 Selective Catalyst Reduction (SCR) Inlet Temperature
    • AS019 SCR Outlet Temperature
    • AS035 SCR Inlet NOx sensor
    • AS036 SCR Outlet NOx sensor
    • AS101 NOx Conversion Efficiency
  9. Start engine and perform a parked regeneration. Does the NOx conversion efficiency rise and stay above 85% (0.85) during the regeneration? Check after the regeneration to ensure SPN 3364/FMI 2 and all SPN 5246/FMI (any) faults go inactive. Refer to section "Performing a Parked Regeneration - EPA10/GHG14" .
    1. Yes; clear faults and release vehicle.
    2. No;Go to step 10.
  10. Disconnect the DEF Dosing Unit electrical connector only. Leave Dosing Unit bolted to Aftertreatment and DEF hoses intact.
  11. Inspect the harness connector for signs of damaged, bent, spread, corroded or unseated (pushed out) pins and signs of moisture in the connector or wire damage near the connector. Is damage or contamination found?
    1. Yes; repair as necessary. Perform a parked regeneration to verify repairs. Refer to section "Performing a Parked Regeneration Using DiagnosticLink®" .
    2. No;Go to step 12.
  12. Start engine and perform a "Perform Performance Check - Low Temp ATD". After thirty minutes, are the NOx sensor values within 50 ppm of each other?
    1. Yes; Go to step 13.
    2. No; replace the Inlet NOx sensor. Perform a parked regeneration to verify repairs. Refer to section "Performing a Parked Regeneration Using DiagnosticLink®" .
  13. Turn the ignition OFF.
  14. Disconnect the Aftertreatment Control Module (ACM) 120-pin connector.
  15. Inspect the ACM 120-pin connector and the 120-pin harness connector for signs of corrosion, spread, unseated (pushed out) or damaged pins, connector seal for damage (signs of water or oil intrusion) or signs of wire damage. Is damage or contamination found?
    1. Yes; repair as necessary. Perform a parked regeneration to verify repairs. Refer to section "Performing a Parked Regeneration Using DiagnosticLink®" .
    2. No;Go to step 16.
  16. Install a test ACM. Perform a parked regeneration to verify repairs. Refer to section "Performing a Parked Regeneration Using DiagnosticLink®" .

Printed Wed Jan 01 2020 10:17:45 GMT-0500 (Eastern Standard Time)

Copyright © 2019 by Detroit Diesel Corporation. All rights reserved.

Last updated on 08-23-2017

4364 18

https://static.nhtsa.gov/odi/tsbs/2015/MC-10142316-9999.pdf

Since you cannot build heat for a regen, I would check the 7 th injector and be sure there is no carbon wall in the down pipe preventing it from building heat.

What is the doser pressure to the injector?

Roy

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Customer reply replied 1 year ago
The fuel cutoff valve never turns on during an attempted regen.
Technician: roybelding, Shop Foreman Freightliner trucks replied 1 year ago

So you have no doser pressure to the doser?

Roy

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Customer reply replied 1 year ago
no pressure
Technician: roybelding, Shop Foreman Freightliner trucks replied 1 year ago

Do you have to the doser module?

Make sure your filters are good as well. Clogged fuel filters will cause low or no pressure to the doser.

Roy

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Customer reply replied 1 year ago
Good pressure to the Doser module. Fuel is not being commanded to the 7th injector
Technician: roybelding, Shop Foreman Freightliner trucks replied 1 year ago

Can you see the command on your scan tool?

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Customer reply replied 1 year ago
still not commanding on
Technician: roybelding, Shop Foreman Freightliner trucks replied 1 year ago

OK, if you can see the command then replace the doser module.

Roy

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Customer reply replied 1 year ago
The ecm is not sending a command to the doser module.
Technician: roybelding, Shop Foreman Freightliner trucks replied 1 year ago

You just said it was sending a command? Please explain.

Roy

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Customer reply replied 1 year ago
I can see the parameter for the fuel shutoff valve. It never changes from 0% duty cycle.
Technician: roybelding, Shop Foreman Freightliner trucks replied 1 year ago

OK, then you need to be sure there is no updated sftware available for this and also the ACM.

Did you get all the codes resolved?

Roy

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