IK1201064 ­ SPN 3055 FMI 17 FRP above maximum with minimum command Troubles... Page 1 of 3

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Title : SPN 3055 FMI 17 FRP above maximum with minimum command Troubleshooting
Applies To : EPA 2010 MaxxForce 11 / 13 / 15L Engines

CHANGE LOG
2015/05/27 Removed references to N13 because it is linked through FCAP now. Revised link to CPA test instructions.
2015/04/13 Revised step 4 to run HPFP CPA test. Added N13 SRTs.
2014/11/20 Added step to check fuel for contamination. Added Tooling table.
2014/06/10 Adding the 15L MaxxForce information.
2014/05/21 Improved diagnostics for FPCV step 4.




DESCRIPTION
This document contains the steps to be taken to diagnose and correct a SPN 3055 FMI 17 FRP Above Maximum with Minimum Command. This fault code
sets when the Engine Control Module (ECM) detects Fuel Rail Pressure (FRP) is above maximum when the minimum is commanded.

SYMPTOMS
Diagnostic Trouble Codes & Dashboard Indicator Lights:
DTC/Light

Description

SPN 3055 FMI 17

FRP Above Maximum with Minimum Command

Fault Code Entry Conditions:
Condition /
Description

Setting Criteria

Enable Conditions / Values

FRP Governor
FRP governor error < 725 PSI
deviation below
at 600­750 RPM
minimum limit

Time
Required

•
•
•
•

Key ON
ECM Not in limp-home mode
Metering unit flow < 327670 mm3/sec
10
Engine speed > 0 rpm OR Fuel Rail Pressure > 90000
seconds
kpa for more than 20 engine revolutions
• Fuel injector quantity command > 5mg/stroke
• ECT1>-40°F (-40°C) Engine not overrunning

Malfunction Indicator Lamp (MIL) Reaction
• MIL will illuminate when this fault is detected during two consecutive drive cycles.
Possible Causes
• Restricted high-pressure pump fuel return line
• Fuel Pressure Control Valve (FPCV) or circuit fault

SPECIAL TOOLS

Tool Description

Tool
Number

Fuel Priming Tool

12­922­01

Clean Fuel Source Tool

15­637­01

Comments

Instructions

Only if necessary

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IK1201064 ­ SPN 3055 FMI 17 FRP above maximum with minimum command Troubles... Page 2 of 3

Compucheck Fitting

ZTSE4526

For fuel restriction or fuel return pressure test, if
necessary

Pressure Test Kit

ZTSE4409

For fuel restriction test, if necessary

Fuel Inlet
Restriction/Aeration Tool

ZTSE4886

For fuel restriction test, aeration test, or fuel return
pressure test, if necessary

Fuel Pressure Gauge

ZTSE4681

For fuel return pressure test, if necessary

Fuel Block Off Tool

ZTSE4905

For fuel restriction test and aeration test, if
necessary

Fuel Line Coupler

ZTSE4906

Link to Tools Resource Center

SERVICE PARTS INFORMATION
Kit Description

Part Number

Quantity
Required

Fuel Pressure Control Valve

7092109C91

1

If required

High Pressure Fuel Pump Kit 11L/13L

3007641C95

1

If required

High Pressure Fuel Pump Kit 15L

3014489C91

1

If required

Notes

DIAGNOSTIC STEPS
Step Action

Decision
Yes. Go to Step 2.

Check recent vehicle history noting fuel system repairs.
Check fuel level. Read fuel level using the vehicle instrument panel
gauge and perform a visual inspection of fluid level in the fuel tank.
Is sufficient fuel in the fuel tank and not leaking?

1

Has the vehicle run issue free since the last fuel system service?

Step Action

No. Add fuel or repair leaks and
properly prime the fuel system. Go
to Step 2.

Decision
Yes. Go to Step 3.

Using Electronic Service Tool (EST) with ServiceMaxx™ software,
check Diagnostic Trouble Code (DTC) list for SPN 94 FMI 0 (FDP);
SPN 157 FMI 3, 4, 20; and 21 (FRP) or SPN 633 FMI 3, 4, and 5
(FPCV).

2

Is the EST DTC list free of SPN 94 FMI 0; SPN 157 FMI 3, 4, 20, and
21; and SPN 633 FMI 3, 4, and 5?

Step Action
3

No. Repair SPN 94 FMI 0; SPN
157 FMI 3, 4, 20, and 21; and SPN
633 FMI 3, 4, and 5. See health
report for link to diagnostics. Go to
Step 3.

Decision
Yes. Go to Step 4.

Check for restricted fuel return line.
Perform HP Pump Fuel Return Pressure Test.

Is fuel return pressure < 13 psi?

No. Repair restriction in fuel return
line between high-pressure fuel

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IK1201064 ­ SPN 3055 FMI 17 FRP above maximum with minimum command Troubles... Page 3 of 3

pump and fuel tank. Recheck for
Fault Codes.

Step Action

Decision
Yes. Replace the High Pressure
Fuel Pump if a WAC was
generated by the CPA tool. Make
sure to use fuel priming tool (12922­01).

Run the High Pressure Fuel Pump test using ServiceMaxx and
Cylinder Performance Analyzer.
See HPFP CPA Test
Did the CPA issue a Warranty Authorization Code, indicating the high
pressure pump needs to be replaced?

4

No. Open a Tech Service Case
File and attach CPA file, if
available.

WARRANTY INFORMATION
Claim Requirements/Approvals:
There are no special requirements for this repair.
Warranty Claim Coding:
Group: 12000 - Engine
Noun:

454 - High Pressure Fuel Pump

Hrs

Code

Model

Engine

Description

0.5

A12-2158U

All

2010+ EPA MAXXFORCE
11/13

Cylinder Performance Analyzer Tool Diagnostics HP Fuel Pump

0.3

N12-2192U

WorkStar

2010+ EPA MAXXFORCE
11/13

HP Pump Fuel Return Pressure Test

0.3

Q12-2192U

TranStar

2010+ EPA MAXXFORCE
11/13

HP Pump Fuel Return Pressure Test

0.3

R12-2192U

ProStar

2010+ EPA MAXXFORCE
11/13

HP Pump Fuel Return Pressure Test

1.5

A12-5034

All

2010+ EPA MAXXFORCE
11/13

Electronic Engine Control Sensors / Valves (MaxxForce 11/13),
Replace FPCV

SRT Manual

OTHER RESOURCES
Master Service Information Site

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