1 4 08-14
SUBJECT DATE
SPN 3251/FMI 0, 1, and 16 April 2014
Additions, Revisions, or Updates
Publication Number / Title Platform Section Title Change
DDC-SVC-MAN-0084 DD Platform
SPN 3251 FMI 0 -EPA07
The diagnostics have been corrected and are all new.
SPN 3251 FMI 0 -EPA10
SPN 3251 FMI 0 -GHG14
SPN 3251 FMI 1 -EPA07
SPN 3251 FMI 1 -EPA10
SPN 3251 FMI 1 -GHG14
SPN 3251 FMI 16 -EPA07
SPN 3251 FMI 16 -EPA10
SPN 3251 FMI 16 -GHG14
4 08-14
All information subject to change without notice. 3408-14Copyright 2014 DETROIT DIESEL CORPORATION
2 SPN 3251/FMI 0 - EPA07
This diagnostic is typically Diesel Particulate Filter (DPF)Pressure Out of Range Very High.
This fault code sets when the DPF outlet pressure is greaterthan 35 kPa (5 psi) for more than 10 seconds.
Table 1.SPN 3251/FMI 0
Description Diesel Particulate Filter (DPF) Pressure Out ofRange Very High
Monitored Parameter Exhaust Pressure
Typical Enabling Conditions Always On
Monitor Sequence None
Execution Frequency Continuous When Enabling Conditions Met
Typical Duration 2 Seconds
Dash Lamps MIL, CEL, SEL
Engine Reaction Derate 25%
Verification Run Engine Between 1200 to 1800 rpm With a LoadLess Than 10%
Check as follows:
1. Connect DiagnosticLink. Go to step 2.2. Turn the ignition ON(key ON, engine OFF). Go to step 3.3. Using DiagnosticLink go toService Routines > Voltages. Go to step 4.
4. Click the "start acquiring" tab and monitor the DPF outletpressure (pin 30) parameter. Is the DPF outlet pressuresensorvoltage between 0.44 to 0.56 volts?
a. Yes; disconnect the exhaust behind the DPF and repair therestriction. Verify repair.
2 SPN 3251/FMI 0 - EPA07
4 All information subject to change without notice.Copyright2014 DETROIT DIESEL CORPORATION4 08-14
b. No; replace the DPF outlet pressure sensor. Refer to section"Removal of the EPA07 Pressure Sensors". Verifyrepair.
4 08-14
All information subject to change without notice. 5408-14Copyright 2014 DETROIT DIESEL CORPORATION
3 SPN 3251/FMI 0 - EPA10
This diagnostic is typically Diesel Particulate Filter (DPF)Pressure Out of Range Very High.
This fault code sets when the DPF outlet pressure is greaterthan 35 kPa (5 psi) for more than 10 seconds.
Table 2.SPN 3251/FMI 0
Description DPF Pressure Out of Range Very High
Monitored Parameter DPF Outlet Pressure Sensor
Typical Enabling Conditions Always On
Monitor Sequence None
Execution Frequency Continuous When Enabling Conditions Met
Typical Duration 2 Seconds
Dash Lamps MIL, CEL, SEL
Engine Reaction Derate 25%
Verification Run Engine Between 1200 to 1800 rpm With a LoadLess Than 10%
Check as follows:1. Connect DiagnosticLink. Go to step 2.2. Turnthe ignition ON (key ON, engine OFF). Go to step 3.3. UsingDiagnosticLink, go to Service Routines > SCR and DPF voltages.Go to step 4.
4. Click the "start acquiring" tab and Monitor the DPF outletpressure (pin 72) parameter. Is the DPF outlet pressuresensorvoltage between 0.44 and 0.56 volts?
a. Yes; remove the Selective Catalyst Reduction (SCR) system asnecessary and repair the restriction. Verify repair.b. No; replacethe DPF outlet pressure sensor. Refer to section "Removal of theEPA10 Diesel Particulate Filter
Outlet Pressure Sensor". Verify repairs.
3 SPN 3251/FMI 0 - EPA10
See AlsoOCS Slideshow - [PPTX Powerpoint]Pièces d’auto usagées | Inventaire de véhicules | Kenny U-Pull6 All information subject to change without notice.Copyright2014 DETROIT DIESEL CORPORATION4 08-14
4 SPN 3251/FMI 0 GHG14
This diagnostic is typically Diesel Particulate Filter (DPF)Pressure Out of Range Very High.
This fault code sets when the DPF outlet pressure is greaterthan 35 kPa (5 psi) for more than 10 seconds.
Table 3.SPN 3251/FMI 0
Description DPF Pressure Out of Range Very High
Monitored Parameter DPF Outlet Pressure Sensor
Typical Enabling Conditions Always On
Monitor Sequence None
Execution Frequency Continuous When Enabling Conditions Met
Typical Duration 2 Seconds
Dash Lamps MIL, CEL, SEL
Engine Reaction Derate 25%
Verification Run Engine Between 1200 to 1800 rpm With a LoadLess Than 10%
Check as follows:
1. Connect DiagnosticLink. Go to step 2.2. Turn the ignition ON(key ON, engine OFF). Go to step 3.3. Using DiagnosticLink go toService Routines > SCR and DPF voltages. Go to step 4.
4. Monitor the DPF outlet pressure (pin 72) parameter. Is theDPF outlet pressure sensor voltage between 0.44 and 0.56volts?
a. Yes; remove the Selective Catalyst Reduction (SCR) system asnecessary and repair the restriction. Verify repair.
4 08-14
All information subject to change without notice. 7408-14Copyright 2014 DETROIT DIESEL CORPORATION
b. No; replace the DPF outlet pressure sensor. Refer to section"Removal of the GHG14 Diesel Particulate FilterOutlet PressureSensor". Verify repairs.
4 SPN 3251/FMI 0 GHG14
8 All information subject to change without notice.Copyright2014 DETROIT DIESEL CORPORATION4 08-14
5 SPN 3251/FMI 1 - EPA07
This diagnostic is typically Diesel Particulate Filter (DPF)Pressure Out of Range Low.
This fault code sets when the pressure across the DPF is lessthan 1.5 kPa (0.2 psi) for more than 10 seconds.
Table 4.SPN 3251/FMI 1
Description DPF Pressure Out of Range Low
Monitored Parameter DPF Inlet Pressure Sensor, DPF OutletPressure Sensor
Typical Enabling Conditions Always On
Monitor Sequence None
Execution Frequency Continuous When Enabling Conditions Met
Typical Duration 2 Seconds
Dash Lamps MIL, CEL, SEL
Engine Reaction Derate 25%
Verification Run Engine Between 1500 to 1900 rpm With a LoadLess Than 80%
Check as follows:
1. Connect DiagnosticLink. Go to step 2.2. Turn the ignition ON(key ON, engine OFF). Go to step 3.3. Using DiagnosticLink go toService Routines > Voltages. Go to step 4.
4. Click the "start acquiring" tab and monitor the DPF inletpressure (pin 118) parameter. Is the DPF inlet pressuresensorvoltage between 0.44 to 0.56 volts?
a. Yes; Go to step 5.
4 08-14
All information subject to change without notice. 9408-14Copyright 2014 DETROIT DIESEL CORPORATION
b. No; replace the DPF inlet pressure sensor. Refer to section"Removal of the EPA07 Temperature Sensors".Verify repair.
5. Monitor the DPF outlet pressure (pin 30) parameter. Is theDPF outlet pressure sensor voltage between 0.44 and 0.56volts?
a. Yes; Go to step 6.b. No; replace the DPF outlet pressuresensor. Refer to section "Removal of the EPA07 TemperatureSensors".
Verify repair.6. Remove the DPF inlet pressure sensor tube, hoseand elbow. Go to step 7.7. Inspect the DPF inlet pressure sensorport on the DPF, the port on the DPF inlet pressure sensor, the DPFinlet pressure
sensor tube, hose and elbow. Are there any restrictionspresent?a. Yes, repair as necessary. Verify repair.b. No; Go tostep 8.
8. Remove the DPF outlet pressure sensor tube, hose and elbow.Go to step 9.9. Inspect the DPF outlet pressure sensor port on theDPF, the port on the DPF outlet pressure sensor, DPF outletpressure
sensor tube, hose and elbow. Are there any restrictionspresent?a. Yes; repair as necessary. Verify repair.b. No; replacethe DPF. Refer to section "Removal of the EPA07 AftertreatmentDevice from the Vehicle". Verify
repair.
5 SPN 3251/FMI 1 - EPA07
10 All information subject to change without notice.Copyright2014 DETROIT DIESEL CORPORATION4 08-14
6 SPN 3251/FMI 1 - EPA10
This diagnostic is typically Diesel Particulate Filter (DPF)Pressure Out of Range Low.
This fault code sets when the pressure across the DPF is lessthan 1.5 kPa (0.2 psi) for more than 10 seconds.
Table 5.SPN 3251/FMI 1
Description DPF Pressure Out of Range Low
Monitored Parameter DPF Inlet Pressure Sensor, DPF OutletPressure Sensor
Typical Enabling Conditions Always On
Monitor Sequence None
Execution Frequency Continuous When Enabling Conditions Met
Typical Duration 2 Seconds
Dash Lamps MIL, CEL, SEL
Engine Reaction Derate 25%
Verification Run Engine Between 1500 to 1900 rpm With a LoadLess Than 80%
Check as follows:1. Connect DiagnosticLink. Go to step 2.2. Turnthe ignition ON (key ON, engine OFF). Go to step 3.3. UsingDiagnosticLink go to Service Routines > SCR and DPF Voltages. Goto step 4.
4. Click the "start acquiring" tab and monitor the DieselOxidation Catalyst (DOC) inlet pressure (pin 87) parameter. IstheDOC inlet pressure sensor voltage between 0.44 to 0.56 volts?
a. Yes; Go to step 5.b. No; replace the DOC inlet pressuresensor. Refer to section "Removal of the EPA10 Diesel OxidationCatalyst
Inlet Pressure Sensor". Verify repair.
4 08-14
All information subject to change without notice. 11408-14Copyright 2014 DETROIT DIESEL CORPORATION
5. Monitor the DPF outlet pressure (pin 72) parameter. Is theDPF outlet pressure sensor voltage between 0.44 and 0.56volts?
a. Yes; Go to step 6.b. No; replace the DPF outlet pressuresensor. Refer to section "Removal of the EPA10 Diesel OxidationCatalyst
Inlet Pressure Sensor". Verify repair.6. Remove the DOC inletpressure sensor tube, hose and elbow. Refer to section "Removal ofthe EPA10 Diesel
Oxidation Catalyst Inlet Pressure Sensor Tube and Elbow". Go tostep 7.7. Inspect the DOC inlet pressure port on the DOC, the porton the DOC inlet pressure sensor, the DOC inlet pressure
tube, hose and elbow. Are there any restrictions present?a. Yes,repair as necessary. Verify repair.b. No, Go to step 8.
8. Remove the DPF outlet pressure sensor tube, hose and elbow.Refer to section "Removal of the EPA10 DieselOxidation CatalystInlet Pressure Sensor". Go to step 9.
9. Inspect the DPF outlet pressure sensor port on the DPF, theport on the DPF outlet pressure sensor, the DPF outletpressuresensor tube, hose and elbow. Are there any restrictionspresent?
a. Yes; repair as necessary. Verify repair.b. No; Go to step10.
10. Inspect the front face of the DOC. Is there a restrictionpresent?a. Yes; replace the DOC. Verify repair.b. No; replace theDPF. Verify repair.
6 SPN 3251/FMI 1 - EPA10
12 All information subject to change without notice.Copyright2014 DETROIT DIESEL CORPORATION4 08-14
7 SPN 3251/FMI 1 - GHG14
This diagnostic is typically Diesel Particulate Filter (DPF)Pressure Out of Range Low.
This fault code sets when the pressure across the DPF is lessthan 1.5 kPa (0.2 psi) for more than 10 seconds.
Table 6.SPN 3251/FMI 1
Description DPF Pressure Out of Range Low
Monitored Parameter DOC Inlet Pressure Sensor, DPF OutletPressure Sensor
Typical Enabling Conditions Always On
Monitor Sequence None
Execution Frequency Continuous When Enabling Conditions Met
Typical Duration 2 Seconds
Dash Lamps MIL, CEL, SEL
Engine Reaction Derate 25%
Verification Run Engine Between 1500 to 1900 rpm With a LoadLess Than 80%
Check as follows:1. Connect DiagnosticLink. Go to step 2.2. Turnthe ignition ON (key ON, engine OFF). Go to step 3.3. UsingDiagnosticLink go to Service Routines > SCR and DPF Voltages. Goto step 4.
4. Click the "start acquiring" tab and monitor the DieselOxidations Catalyst (DOC) inlet pressure (pin 87) parameter. IstheDOC inlet pressure sensor voltage between 0.44 to 0.56 volts?
a. Yes; Go to step 5.b. No; replace the DOC inlet pressuresensor. Refer to section "Installation of the GHG14 DieselOxidation Catalyst
Inlet Pressure Sensor". Verify repair.
4 08-14
All information subject to change without notice. 13408-14Copyright 2014 DETROIT DIESEL CORPORATION
5. Monitor the DPF outlet pressure (pin 72) parameter. Is theDPF outlet pressure sensor voltage between 0.44 and 0.56volts?
a. Yes; Go to step 6.b. No; replace the DPF outlet pressuresensor. Refer to section "Removal of the GHG14 Diesel ParticulateFilter
Outlet Pressure Sensor". Verify repair.6. Remove the DOC inletpressure sensor tube and hose. Refer to section "Removal of theGHG14 Diesel Oxidation
Catalyst Inlet Pressure Sensor Tube". Go to step 7.7. Inspectthe DOC inlet pressure port on the DOC, the port on the DOC inletpressure sensor, the DOC inlet pressure
sensor tube and hose. Are there any restrictions present?a. Yes,repair as necessary. Verify repair.b. No, Go to step 8.
8. Remove the DPF outlet pressure sensor tube and hose. Refer tosection "Removal of the GHG14 Diesel ParticulateFilter OutletPressure Sensor Tube ". Go to step 9.
9. Inspect the DPF outlet pressure sensor port on the DPF, theport on the DPF outlet pressure sensor, the DPF outletpressuresensor tube and hose. Are there any restrictions present?
a. Yes; repair as necessary. Verify repair.b. No; Go to step10.
10. Inspect the front face of the DOC. Is there a restrictionpresent?a. Yes; replace the DOC. Verify repair.b. No; replace theDPF. Verify repair.
7 SPN 3251/FMI 1 - GHG14
14 All information subject to change without notice.Copyright2014 DETROIT DIESEL CORPORATION4 08-14
8 SPN 3251/FMI 16 - EPA07
This diagnostic is typically Diesel Particulate Filter (DPF)Pressure Out of Range High.
This fault code sets when the DPF outlet pressure is greaterthan 30 kPa (4.2 psi) for more than 10 seconds.
Table 7.SPN 3251/FMI 16
Description DPF Pressure Out of Range High
Monitored Parameter DPF Outlet Pressure Sensor
Typical Enabling Conditions Always On
Monitor Sequence None
Execution Frequency Continuous When Enabling Conditions Met
Typical Duration 2 Seconds
Dash Lamps MIL, CEL, SEL
Engine Reaction Derate 25%
Verification Run Engine Between 1200 to 1800 rpm With a LoadLess Than 10%
Check as follows:
1. Connect DiagnosticLink. Go to step 2.2. Turn the ignition ON(key ON, engine OFF). Go to step 3.3. Using DiagnosticLink go toService Routines > Voltages. Go to step 4.
4. Click the "start acquiring" tab and monitor the DPF outletpressure (pin 30) parameter. Is the DPF outlet pressuresensorvoltage between 0.44 to 0.56 volts?
a. Yes; disconnect the exhaust behind the DPF and repair therestriction. Verify repair.
4 08-14
All information subject to change without notice. 15408-14Copyright 2014 DETROIT DIESEL CORPORATION
b. No; replace the DPF outlet pressure sensor. Refer to section"Removal of the EPA07 Pressure Sensors". Verifyrepair.
8 SPN 3251/FMI 16 - EPA07
16 All information subject to change without notice.Copyright2014 DETROIT DIESEL CORPORATION4 08-14
9 SPN 3251/FMI 16 - EPA10
This diagnostic is typically Diesel Particulate Filter (DPF)Pressure Out of Range High.
This fault code sets when the DPF outlet pressure is greaterthan 30 kPa (4.2 psi) for more than 10 seconds.
Table 8.SPN 3251/FMI 16
Description DPF Pressure Out of Range High
Monitored Parameter DPF Outlet Pressure Sensor
Typical Enabling Conditions Always On
Monitor Sequence None
Execution Frequency Continuous When Enabling Conditions Met
Typical Duration 2 Seconds
Dash Lamps MIL, CEL, SEL
Engine Reaction Derate 25%
Verification Run Engine Between 1200 to 1800 rpm With a LoadLess Than 10%
Check as follows:1. Connect DiagnosticLink. Go to step 2.2. Turnthe ignition ON (key ON, engine OFF). Go to step 3.3. UsingDiagnosticLink go to Service Routines > SCR and DPF Voltages. Goto step 4.
4. Click the "start acquiring" tab and monitor the DPF outletpressure (pin 72) parameter. Is the DPF outlet pressuresensorvoltage between 0.44 to 0.56 volts?
a. Yes; remove the Selective Catalyst Reduction (SCR) system asnecessary and repair the restriction. Verify repair.b. No; replacethe DPF outlet pressure sensor. Refer to section "Removal of theEPA10 Diesel Particulate Filter
Outlet Pressure Sensor". Verify repair.
4 08-14
All information subject to change without notice. 17408-14Copyright 2014 DETROIT DIESEL CORPORATION
10 SPN 3251/FMI 16 GHG14
This diagnostic is typically Diesel Particulate Filter (DPF)Pressure Out of Range High.
This fault code sets when the DPF outlet pressure is greaterthan 30 kPa (4.2 psi) for more than 10 seconds.
Table 9.SPN 3251/FMI 16
Description DPF Pressure Out of Range High
Monitored Parameter DPF Outlet Pressure Sensor
Typical Enabling Conditions Always On
Monitor Sequence None
Execution Frequency Continuous When Enabling Conditions Met
Typical Duration 2 Seconds
Dash Lamps MIL, CEL, SEL
Engine Reaction Derate 25%
Verification Run Engine Between 1200 to 1800 rpm With a LoadLess Than 10%
Check as follows:
1. Connect DiagnosticLink. Go to step 2.2. Turn the ignition ON(key ON, Engine OFF). Go to step 3.3. Using DiagnosticLink go toService Routines > SCR and DPF Voltages. Go to step 4.
4. Click the "start acquiring" tab and monitor the DPF outletpressure (pin 72) parameter. Is the DPF outlet pressuresensorvoltage between 0.44 to 0.56 volts?
a. Yes; disconnect the exhaust behind the DPF and repair therestriction. Verify repair.
10 SPN 3251/FMI 16 GHG14
18 All information subject to change without notice.Copyright2014 DETROIT DIESEL CORPORATION4 08-14
b. No; replace the DPF outlet pressure sensor. Refer to section"Removal of the GHG14 Diesel Particulate FilterOutlet PressureSensor". Verify repair.
4 08-14
All information subject to change without notice. 19408-14Copyright 2014 DETROIT DIESEL CORPORATION
1 4 08-142 SPN 3251/FMI 0 - EPA073 SPN 3251/FMI 0 - EPA104 SPN3251/FMI 0 GHG145 SPN 3251/FMI 1 - EPA076 SPN 3251/FMI 1 - EPA107SPN 3251/FMI 1 - GHG148 SPN 3251/FMI 16 - EPA079 SPN 3251/FMI 16 -EPA1010 SPN 3251/FMI 16 GHG14
SPN 3251/FMI 0, 1, and 16 - Freightliner Trucks · 2014-04-23 · SPN 3251/FMI 0, 1, and 16 SPN 3251/FMI 0, 1, and 16 Keywords: The diagnostics have been corrected and are all new. - [PDF Document] (2024)
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