RoadVitals

2015 Ford F-550 Sd Problems

Owner-reported complaints filed with NHTSA, grouped by component

Data refreshed

Owner complaintsComplaints are reports submitted to NHTSA by owners and drivers. NHTSA does not verify most reports before publishing them, and a complaint does not establish that a defect exists. Volume is influenced by how many of a vehicle were sold, how long it has been on the road, and how much attention an issue has received.
11
Latest Jun 18, 2025
Components namedHow many of our component categories appear on at least one report for this model year. One report can name several.
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Crash or fire reportedComplaints whose submitter recorded that a crash or a fire occurred. These are the reporter's own answers on the NHTSA form, not verified findings.
3

What this page shows

Everything below is an owner-reported complaint submitted to NHTSA about the 2015 Ford F-550 Sd, grouped by the component NHTSA recorded on the report. These are not confirmed defects, and they are not recalls. NHTSA does not verify most reports before publishing them, and a category with more reports in it is not evidence that a part is defective.

Complaints are reports submitted by owners and drivers to NHTSA. They are not verified and do not establish that a defect exists.

Reports by component

Ranked by how many owner reports name each component category

  • Engine426.7%
  • Fuel system426.7%
  • Electrical213.3%
  • Powertrain (other)16.7%
  • Body & structure16.7%
  • Suspension16.7%
  • Brakes16.7%
  • Other / unspecified16.7%

Percentages are of component mentions. A single complaint can name more than one component, so these do not sum to the total complaint count.

Each component in detail

What the reports in each category say, in the owners' own words

Engine

Reports naming the engine itself — including stalling, misfires, oil consumption, cooling and internal engine components.

4
reports

From owner reports, verbatim

Operator was driving the vehicle when it experienced a fire in the engine compartment.

NHTSA ID 11632424 · filed Dec 26, 2024

MY V10 ENGINE ON MY MOTORHOME STALLS WHEN ACCELERATING FROM A STOP. THIS IS DANGEROUS. THE ENGINE REMAINS RUNNING BUT WON'T ACCELERATE. PUMPING THE GAS PEDAL WILL FINALLY MAKE IT GO

NHTSA ID 11210323 · filed May 28, 2019

Too few reports in this category for a page of its own — they appear in the full complaint list.

Fuel system

Reports naming fuel storage or delivery — tanks, pumps, lines, injectors and fuel leaks.

4
reports

From owner reports, verbatim

My f-550 super duty diesel dump truck lost power on the highway because of a known fuel injector pump defect. The pump exploded into metal pieces that clogged all fuel lines leading to a loss of power on a highway putting everybody at risk of a collision. This fuel injector problem is known to ford and is subject to class action lawsuits. The dealer confirms that this is the problem. Apparently for the last decade, this pump has been known to fail because it was designed for European diesel not American diesel which because of the low sulfur content makes the pump cavitate because of lack of lubrication and explode. There was no indication of failure prior to the incident.

NHTSA ID 11667670 · filed Jun 18, 2025

This submission is more related to a brand-new fuel line that was purchased from the Ford dealer for this vehicle upon failure of the existing line. When the new line was removed from the packaging, the mechanic inspected the clip that secures the line to the secondary fuel filter housing. It was observed that the brand-new clip was defective and that even the slightest touch of the clip would unlock the line. It is believed that if this line were installed in the vehicle, the vibration of the engine could potentially unclip the line causing fuel to spray in the hot engine compartment. The line was retained and can be provided for examination.

NHTSA ID 11618778 · filed Oct 8, 2024

Too few reports in this category for a page of its own — they appear in the full complaint list.

Electrical

Reports naming the electrical system — wiring, battery, charging, control modules, infotainment and electrical accessories.

2
reports

From owner reports, verbatim

2015 FORD F550 V10 GAS MOTOR, THE ENGINE BLOCK HEATER SHORTED OUT AND CAUGHT FIRE. LUCKILY ONLY THE LICENSE PLATE AND AN EXTENSION CORD WERE DAMAGED AS WELL AS THE BLOCK HEATER ITSELF. CONTACTED THE TRUCK DEALER AND FORD FLEET, AND NO ONE CARES. VEHICLE WAS PARKED. I JUST HAPPENED TO WALK PAST AND HEARD THE CRACKLING NOISE. SUPER HOT, VERY LUCKY TO JUST BE THERE AT THAT MOMENT.

NHTSA ID 11395312 · filed Feb 8, 2021

GOOD DAY ON JUNE 11TH 2018 MY BUS #1611 VIN#(XXXXXX) DURING MY DAILY VEHICLE INSPECTION AT THE LAWRENCE BERKELEY NATIONAL LABORATORY SHUTTLE SERVICES IN 1 CYCLOTRON ROAD BERKELEY CALIFORNIA. *DT AT THE BUS STAGING AREA NEAR BLDG 67 BEHIND BLDG 33 AT APPROXIMATELY 6:30AM A MECHANICAL MALFUNCTION INVOLVING THE PARKING BRAKE IT WOULD NOT HOLD AT 1100 RPM IN PARK THE PARKING BRAKE CABLE CONNECTOR CLIP REULTING IN THE VEHICLE MOVING WHILE ON PARK WHICH RESULTED IN A COLLISION WHERE I WAS CRUSHED BY THE BUS SHUTTLE #1611 WHILE I CONDUCTED THE DVI DAILY VEHICLE INSPECTION MY HEAD WAS CRUSHED BOTH SIDES NEAR ABOVE EARS MY LEFT SHOULDER, LEFT ANKLE AND LEFT KNEE PARTS OF THIS DOCUMENT HAVE BEEN REDACTED TO PROTECT PERSONALLY IDENTIFIABLE INFORMATION PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOE), 5 552(B)(6) CONSUMER STATED REPAIRS AND INSPECTION THE VEHICLE IS AUTOMATIC TRANSMISSION AND THE BUS WAS ON AND THE PARK POSITION THE EMERGENCY BRAKE WAS NOT APPLIED. CONSUMER ALSO ATTAINED THE INFORMATION IN REGARDS TO MECHANICAL MALFUNCTION FROM THE FORD WEBSITE.*JB

NHTSA ID 11210435 · filed May 28, 2019

Too few reports in this category for a page of its own — they appear in the full complaint list.

Powertrain (other)

Powertrain reports that are not specifically the engine or transmission — driveshafts, axles, transfer cases and differentials.

1
report

From owner reports, verbatim

MY V10 ENGINE ON MY MOTORHOME STALLS WHEN ACCELERATING FROM A STOP. THIS IS DANGEROUS. THE ENGINE REMAINS RUNNING BUT WON'T ACCELERATE. PUMPING THE GAS PEDAL WILL FINALLY MAKE IT GO

NHTSA ID 11210323 · filed May 28, 2019

Too few reports in this category for a page of its own — they appear in the full complaint list.

Body & structure

Reports naming the vehicle structure, frame, body panels, doors, hood and trim.

1
report

From owner reports, verbatim

THE VEHICLE IS A MOTOR HOME MANUFACTURED BY THOR MOTOR COACH THAT THEY ADDED TO A MODIFIED 2015 FORD F550 CHASSIS. ALTHOUGH THOR MODIFIED THE CHASSIS, REPLACED THE FRONT BUMPER AND QUARTER PANELS AND ADDED THE COACH BODY TO THE FRAME, THEY FAILED TO DO ANY ALIGNMENT PROCESS TO MAKE SURE THAT THE BODY AND THE FRONT WHEELS WERE PROPERLY ALIGNED. THIS FAILURE HAS LED TO SEVERE WEAR TO THE FRONT RIGHT TIRE CREATING A MAJOR SAFETY HAZARD. ON PAGE 121 OF THE OWNER'S MANUAL IT STATES THAT THE FRONT SUSPENSION AND STEERING SYSTEM WAS FACTORY ALIGNED PRIOR TO DELIVERY TO THE DEALERSHIP. HOWEVER, THE HAVE FAILED TO SUPPLY ANY DOCUMENTATION REGARDING THIS AND THE ANTIDOTAL INFORMATION FROM FORD AND OTHERS IS THAT THOR DOES NOT DO THE NEEDED ALIGNMENT AFTER SUCH A SEVERE MODIFICATION. WHILE THEY TRY TO PASS THIS OFF TO THE CONSUMER, THERE IS ONLY ONE SENTENCE REGARDING THIS IN A 151 PAGE MANUAL. ALTHOUGH I HAVE OWNED OTHER MOTOR HOMES PREVIOUSLY THE PROCESS OF LEARNING EVERYTHING ABOUT A NEW MOTOR HOME IS QUITE OVERWHELMING. SECONDLY I AM NOT AWARE THAT VEHICLE MANUFACTURE PASSES THIS SAFETY CONCERN ON A NEW VEHICLE TO THE CONSUMER. LASTLY MOTOR HOMES ARE THE LARGEST, HEAVY VEHICLES WITH CHALLENGING HANDLING CHARACTERISTICS DRIVEN BY NON-PROFESSIONAL DRIVERS, MANY OF WHOM ARE SENIORS. THE MANUFACTURES SHOULD BE HELD RESPONSIBLE FOR MAKING SURE THAT THE VEHICLES ARE PROPERLY ALIGNED FOR SAFE OPERATION AND TIRE WEAR. THE FAILURE TO PROPERLY ALIGN THE VEHICLE AS A FINAL MANUFACTURING PROCESS HAS LEAD TO SEVERE TIRE WEAR CAUSING A MAJOR SAFETY ISSUE AND SIGNIFICANT EXPENSE FOR THE OWNER TO REPLACE THE FRONT TIRES AND HAVE THE PROPER ALIGNMENT DONE IN ORDER TO MAKE FOR SAFE OPERATION. ALTHOUGH THE VEHICLE WAS NEW WHEN PURCHASED IT HAD 2,598 MILES ON IT. THE DAMAGED TIRE WAS NOTED AFTER A CROSS COUNTRY TRIP OF NEARLY 10,000 MILES.

NHTSA ID 10934412 · filed Dec 10, 2016

Too few reports in this category for a page of its own — they appear in the full complaint list.

Suspension

Reports naming suspension components — springs, struts, shocks, control arms and related hardware.

1
report

From owner reports, verbatim

THE VEHICLE IS A MOTOR HOME MANUFACTURED BY THOR MOTOR COACH THAT THEY ADDED TO A MODIFIED 2015 FORD F550 CHASSIS. ALTHOUGH THOR MODIFIED THE CHASSIS, REPLACED THE FRONT BUMPER AND QUARTER PANELS AND ADDED THE COACH BODY TO THE FRAME, THEY FAILED TO DO ANY ALIGNMENT PROCESS TO MAKE SURE THAT THE BODY AND THE FRONT WHEELS WERE PROPERLY ALIGNED. THIS FAILURE HAS LED TO SEVERE WEAR TO THE FRONT RIGHT TIRE CREATING A MAJOR SAFETY HAZARD. ON PAGE 121 OF THE OWNER'S MANUAL IT STATES THAT THE FRONT SUSPENSION AND STEERING SYSTEM WAS FACTORY ALIGNED PRIOR TO DELIVERY TO THE DEALERSHIP. HOWEVER, THE HAVE FAILED TO SUPPLY ANY DOCUMENTATION REGARDING THIS AND THE ANTIDOTAL INFORMATION FROM FORD AND OTHERS IS THAT THOR DOES NOT DO THE NEEDED ALIGNMENT AFTER SUCH A SEVERE MODIFICATION. WHILE THEY TRY TO PASS THIS OFF TO THE CONSUMER, THERE IS ONLY ONE SENTENCE REGARDING THIS IN A 151 PAGE MANUAL. ALTHOUGH I HAVE OWNED OTHER MOTOR HOMES PREVIOUSLY THE PROCESS OF LEARNING EVERYTHING ABOUT A NEW MOTOR HOME IS QUITE OVERWHELMING. SECONDLY I AM NOT AWARE THAT VEHICLE MANUFACTURE PASSES THIS SAFETY CONCERN ON A NEW VEHICLE TO THE CONSUMER. LASTLY MOTOR HOMES ARE THE LARGEST, HEAVY VEHICLES WITH CHALLENGING HANDLING CHARACTERISTICS DRIVEN BY NON-PROFESSIONAL DRIVERS, MANY OF WHOM ARE SENIORS. THE MANUFACTURES SHOULD BE HELD RESPONSIBLE FOR MAKING SURE THAT THE VEHICLES ARE PROPERLY ALIGNED FOR SAFE OPERATION AND TIRE WEAR. THE FAILURE TO PROPERLY ALIGN THE VEHICLE AS A FINAL MANUFACTURING PROCESS HAS LEAD TO SEVERE TIRE WEAR CAUSING A MAJOR SAFETY ISSUE AND SIGNIFICANT EXPENSE FOR THE OWNER TO REPLACE THE FRONT TIRES AND HAVE THE PROPER ALIGNMENT DONE IN ORDER TO MAKE FOR SAFE OPERATION. ALTHOUGH THE VEHICLE WAS NEW WHEN PURCHASED IT HAD 2,598 MILES ON IT. THE DAMAGED TIRE WAS NOTED AFTER A CROSS COUNTRY TRIP OF NEARLY 10,000 MILES.

NHTSA ID 10934412 · filed Dec 10, 2016

Too few reports in this category for a page of its own — they appear in the full complaint list.

Brakes

Reports naming service brakes, the antilock braking system, brake hoses, master cylinders or the parking brake.

1
report

From owner reports, verbatim

GOOD DAY ON JUNE 11TH 2018 MY BUS #1611 VIN#(XXXXXX) DURING MY DAILY VEHICLE INSPECTION AT THE LAWRENCE BERKELEY NATIONAL LABORATORY SHUTTLE SERVICES IN 1 CYCLOTRON ROAD BERKELEY CALIFORNIA. *DT AT THE BUS STAGING AREA NEAR BLDG 67 BEHIND BLDG 33 AT APPROXIMATELY 6:30AM A MECHANICAL MALFUNCTION INVOLVING THE PARKING BRAKE IT WOULD NOT HOLD AT 1100 RPM IN PARK THE PARKING BRAKE CABLE CONNECTOR CLIP REULTING IN THE VEHICLE MOVING WHILE ON PARK WHICH RESULTED IN A COLLISION WHERE I WAS CRUSHED BY THE BUS SHUTTLE #1611 WHILE I CONDUCTED THE DVI DAILY VEHICLE INSPECTION MY HEAD WAS CRUSHED BOTH SIDES NEAR ABOVE EARS MY LEFT SHOULDER, LEFT ANKLE AND LEFT KNEE PARTS OF THIS DOCUMENT HAVE BEEN REDACTED TO PROTECT PERSONALLY IDENTIFIABLE INFORMATION PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOE), 5 552(B)(6) CONSUMER STATED REPAIRS AND INSPECTION THE VEHICLE IS AUTOMATIC TRANSMISSION AND THE BUS WAS ON AND THE PARK POSITION THE EMERGENCY BRAKE WAS NOT APPLIED. CONSUMER ALSO ATTAINED THE INFORMATION IN REGARDS TO MECHANICAL MALFUNCTION FROM THE FORD WEBSITE.*JB

NHTSA ID 11210435 · filed May 28, 2019

Too few reports in this category for a page of its own — they appear in the full complaint list.

Other / unspecified

Reports whose component NHTSA recorded as unknown, or that do not map to one of the categories above.

1
report

From owner reports, verbatim

THE VEHICLE IS A MOTOR HOME MANUFACTURED BY THOR MOTOR COACH THAT THEY ADDED TO A MODIFIED 2015 FORD F550 CHASSIS. ALTHOUGH THOR MODIFIED THE CHASSIS, REPLACED THE FRONT BUMPER AND QUARTER PANELS AND ADDED THE COACH BODY TO THE FRAME, THEY FAILED TO DO ANY ALIGNMENT PROCESS TO MAKE SURE THAT THE BODY AND THE FRONT WHEELS WERE PROPERLY ALIGNED. THIS FAILURE HAS LED TO SEVERE WEAR TO THE FRONT RIGHT TIRE CREATING A MAJOR SAFETY HAZARD. ON PAGE 121 OF THE OWNER'S MANUAL IT STATES THAT THE FRONT SUSPENSION AND STEERING SYSTEM WAS FACTORY ALIGNED PRIOR TO DELIVERY TO THE DEALERSHIP. HOWEVER, THE HAVE FAILED TO SUPPLY ANY DOCUMENTATION REGARDING THIS AND THE ANTIDOTAL INFORMATION FROM FORD AND OTHERS IS THAT THOR DOES NOT DO THE NEEDED ALIGNMENT AFTER SUCH A SEVERE MODIFICATION. WHILE THEY TRY TO PASS THIS OFF TO THE CONSUMER, THERE IS ONLY ONE SENTENCE REGARDING THIS IN A 151 PAGE MANUAL. ALTHOUGH I HAVE OWNED OTHER MOTOR HOMES PREVIOUSLY THE PROCESS OF LEARNING EVERYTHING ABOUT A NEW MOTOR HOME IS QUITE OVERWHELMING. SECONDLY I AM NOT AWARE THAT VEHICLE MANUFACTURE PASSES THIS SAFETY CONCERN ON A NEW VEHICLE TO THE CONSUMER. LASTLY MOTOR HOMES ARE THE LARGEST, HEAVY VEHICLES WITH CHALLENGING HANDLING CHARACTERISTICS DRIVEN BY NON-PROFESSIONAL DRIVERS, MANY OF WHOM ARE SENIORS. THE MANUFACTURES SHOULD BE HELD RESPONSIBLE FOR MAKING SURE THAT THE VEHICLES ARE PROPERLY ALIGNED FOR SAFE OPERATION AND TIRE WEAR. THE FAILURE TO PROPERLY ALIGN THE VEHICLE AS A FINAL MANUFACTURING PROCESS HAS LEAD TO SEVERE TIRE WEAR CAUSING A MAJOR SAFETY ISSUE AND SIGNIFICANT EXPENSE FOR THE OWNER TO REPLACE THE FRONT TIRES AND HAVE THE PROPER ALIGNMENT DONE IN ORDER TO MAKE FOR SAFE OPERATION. ALTHOUGH THE VEHICLE WAS NEW WHEN PURCHASED IT HAD 2,598 MILES ON IT. THE DAMAGED TIRE WAS NOTED AFTER A CROSS COUNTRY TRIP OF NEARLY 10,000 MILES.

NHTSA ID 10934412 · filed Dec 10, 2016

Too few reports in this category for a page of its own — they appear in the full complaint list.

Higher-selling and older vehicles accumulate more reports. Counts are not failure rates and are not directly comparable between vehicles that sold in very different numbers.

Elsewhere on this vehicle

Data sources

Data on this page last refreshed .