Car lost power while driving on interstate CIL indicates P0171 P0174 codes
2015 Ford Flex
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2015 Ford Flex do not stand out strongly from the model-year median of 139.
About this comparison →How this year compares
Owner complaints by model year
Compare all Flex years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
67 reports with mileage · 39 unknown
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Back Over Prevention. Review the 25 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Steering. Review the 19 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Fuel/propulsion System. Review the 18 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Fuel/propulsion System complaints
18 reportsFUEL PUMP CONTROL MODULE SYSTEM FAILURE. DIAGNOSTIC CONFIRMED WITH FORD DEALER
VEHICLE SUDDENLY SHUT DOWN CAUSING THE VEHICLE TO STALL AND NOW WON'T START. SEEMS LIKE OUR VEHICLE HAS NO POWER GOING TO THE FUEL PUMP. THIS HAPPENED WHILE DRIVING DOWN THE ROAD. VEHICLE NOW WILL NOT START BUT DOES STILL HAVE LIGHTS COME ON. ACTS LIKE ITS NOT GETTING FUEL.
I TOOK IT TO RUSSELL AND SMITH FORD IN HOUSTON, TX. THEY SAID THE BATTERY WAS THE ISSUE. A WEEK LATER SAME PROBLEM, IT CRANKS BUT WONT TURNOVER. IT IS NOW AT STERLING MCCALL FORD IN HOUSTON WITH THE SAME PROBLEM. I WILL ATTACH THEIR DIAGNOSIS. I HAVE 57, 000 MILES ONLY ON THIS VEHICLE. I HOPE THAT THIS WILL ALL GO OUT TO ALL FO…
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I TOOK IT TO RUSSELL AND SMITH FORD IN HOUSTON, TX. THEY SAID THE BATTERY WAS THE ISSUE. A WEEK LATER SAME PROBLEM, IT CRANKS BUT WONT TURNOVER. IT IS NOW AT STERLING MCCALL FORD IN HOUSTON WITH THE SAME PROBLEM. I WILL ATTACH THEIR DIAGNOSIS. I HAVE 57, 000 MILES ONLY ON THIS VEHICLE. I HOPE THAT THIS WILL ALL GO OUT TO ALL FORD DEALERSHIPS..THANK YOU
ON OCTOBER 18, 2019, WHILE ENTERING A PARKING SPACE AT THE IKEA PARKING LOT, MY CAR EXPERIENCE A LOSS OF POWER, CAUSING THE ENGINE TO STALL. I TRIED TO START IT UP ABOUT 10 TIMES, AND NOTHING HAPPENED - IT FAILED TO START EVERY TIME. AFTER ABOUT 2 HOURS OF TRYING, I FINALLY HAD TO HAVE IT TOWED TO MY HOUSE. WHEN I PERFORMED …
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ON OCTOBER 18, 2019, WHILE ENTERING A PARKING SPACE AT THE IKEA PARKING LOT, MY CAR EXPERIENCE A LOSS OF POWER, CAUSING THE ENGINE TO STALL. I TRIED TO START IT UP ABOUT 10 TIMES, AND NOTHING HAPPENED - IT FAILED TO START EVERY TIME. AFTER ABOUT 2 HOURS OF TRYING, I FINALLY HAD TO HAVE IT TOWED TO MY HOUSE. WHEN I PERFORMED A OBD-II SYSTEM SCAN, WITH MY SCANNER, I GOT A FAULT CODE OF P0627 (FUEL PUMP A CONTROL CIRCUIT) I TOOK THE CAR TO THE FORD DEALER, AND EXPLAINED THE PROBLEM. AFTER TWO HOURS, THEY CALLED ME AND SAID THEIR TESTS REVEALED NO FAULT CODES. BASED ON THE ISSUE I DESCRIBED, THEY SAID THAT IF I WANTED, THEY CAN CHANGE THE FUEL PUMP, BUT I WOULD HAVE TO PAY $100 DEDUCTIBLE UNDER THE EXTENDED WARRANTY PLAN. THE THINK THAT MAY FIX THE ISSUE OF STALLING, OR NOT STARTING. MY ISSUE IS THAT IF THE PROBLEM IS NOT FIXED, IT MAY INCREASE THE RISK OF A CRASH, AT ANY GIVEN TIME, AND WITHOUT NOTICE. GIVEN THE FACT THAT THERE ARE OTHER COMPLAINTS ABOUT THIS SAME ISSUE, I THINK THAT A GENERAL RECALL FOR THIS MAKE/MODE/YEAR CAR SHOULD BE INITIATED, BEFORE SOMEONE LOSES THEIR LIFE OVER IT.
MY 2015 FORD FLEX WAS EXHIBITING SYMPTOMS DESCRIBED IN THE FORD SAFETY RECALL 16S31. THE ENGINE STALLED WHILE DRIVING WITH NO WARNING 5 TIMES OVER THE PAST TWO YEARS OF OWNERSHIP WITH THE MOST RECENT OCCURRING ON 6/20/2019 AT 8:15 AM. EACH INCIDENT WAS AT DIFFERENT SPEEDS (30 - 70MPH) BUT NO WARNING PREFACED THE STALL AND YOU HA…
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MY 2015 FORD FLEX WAS EXHIBITING SYMPTOMS DESCRIBED IN THE FORD SAFETY RECALL 16S31. THE ENGINE STALLED WHILE DRIVING WITH NO WARNING 5 TIMES OVER THE PAST TWO YEARS OF OWNERSHIP WITH THE MOST RECENT OCCURRING ON 6/20/2019 AT 8:15 AM. EACH INCIDENT WAS AT DIFFERENT SPEEDS (30 - 70MPH) BUT NO WARNING PREFACED THE STALL AND YOU HAD TO CUT THE POWER OFF AND TURN IT BACK ON FOR THE CAR TO START AGAIN. TWO OF THE STALLS WERE DURING TURNING OPERATIONS WHILE OTHERS WERE WHILE DRIVING STRAIGHT. ON OTHER OCCASIONS THE ENGINE DID NOT START VIA REMOTE START, HOWEVER NO DATES RECORDED. THIS RECALL, THAT DESCRIBES THE EXACT SYMPTOMS, STATES THAT IT DOES NOT COVER MY VEHICLE BECAUSE I HAVE A DIFFERENT ENGINE. HOWEVER, THE PART IN THE RECALL IS THE FUEL PUMP CONTROL MODULE. MY 2015 FORD FLEX HAD THE FUEL PUMP CONTROL MODULE AA8A-9D412-CA WITH THE SUPPLIER PART NUMBER 2177806-5E. AS PER THE RECALL, THIS IS A PART THAT NEEDS TO BE REPLACED. I JUST HAD THE DEALER REPLACE IT WITH THE NEW PART AA8Z-9D370-B, SERVICE HISTORY BELOW: WE HAVE TAKEN THE VEHICLE TO TWO SEPARATE FORD DEALERSHIPS OVER THE PAST YEAR DUE TO THIS ISSUE. NEITHER DEALERSHIP RECOGNIZED THIS ISSUE BECAUSE OUR VIN NUMBER WASN'T ON THE LIST OF VINS PROVIDED BY FORD. I PAID FOR THE REPAIR RECOMMEND IN SAFETY RECALL 16S31 OUT OF POCKET SO THAT MY VEHICLE WILL BE SAFE TO DRIVE AGAIN. THE FIRST DEALERSHIP REPLACED THE THROTTLE BODY AND CHARGED US FOR IT. AFTER THE ISSUE OCCURRED AGAIN, THE SECOND DEALERSHIP AGAIN REPLACED THE THROTTLE BODY SINCE THE THROTTLE BODY WAS STILL UNDER WARRANTY FROM THE FIRST REPAIR. IT APPEARS THE RECALL DOES NOT COVER ALL OF THE AFFECTED VEHICLES. THERE ARE OTHER FORD FLEX THAT HAVE THESE FAULTY PARTS.
IN OCTOBER 2018, OUR FORD FLEX WAS PARKED IN THE DRIVEWAY WHEN WE TRIED TO START IT AND IT DID A MINOR CRANK AND THEN NOTHING. IT WOULDN'T START OR DO ANYTHING. WORKED FINE THE NIGHT BEFORE. HAD TO HAVE THE CAR TOWED AND TURNS OUT THE FUEL PUMP CONTROL MODULE FAILED ON IT COSTING $650 TO REPLACE THE PART. SEEMS LIKE THIS IS A M…
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IN OCTOBER 2018, OUR FORD FLEX WAS PARKED IN THE DRIVEWAY WHEN WE TRIED TO START IT AND IT DID A MINOR CRANK AND THEN NOTHING. IT WOULDN'T START OR DO ANYTHING. WORKED FINE THE NIGHT BEFORE. HAD TO HAVE THE CAR TOWED AND TURNS OUT THE FUEL PUMP CONTROL MODULE FAILED ON IT COSTING $650 TO REPLACE THE PART. SEEMS LIKE THIS IS A MAJOR ISSUE WITH THESE CARS AND I DON'T UNDERSTAND WHY THERE ISN'T A RECALL OR REFUND ON THE REPAIRS AS THERE WAS ON THE TURBOCHARGED ONES. I HAVE HAD ONE PROBLEM AFTER ANOTHER WITH THIS VEHICLE AND TOLD THAT EACH PART "SOMEHOW FAILED" BEFORE IT'S TIME WITH NO OTHER EXPLANATION THAN BAD PARTS. THE WHEEL BEARING FAILED, THE TOUCH ON THE TOUCH SCREEN HAS FAILED, THE ELECTRIC SEAT FAILED AND NOW THE A/C COMPRESSOR HAS FAILED AS WELL. I AM READY TO GET RID OF THIS MONEY PIT CAR.
WRENCH LIGHT APPEARS ON DASH AND THE CAR LOSES ALL POWER - KNOWN AS "LIMP HOME" MODE. CODES CLEAR UPON RESTART. TOOK IT TO DEALER AFTER FREEWAY INCIDENT ON 2/17/19, DEALER FOUND NO CODES, STATED IT WAS MOTOR MOUNT. GOT THE CAR BACK ON 2/25/17, AND IT HAPPENED AGAIN WITHIN 30 MILES. WAS ABLE TO PULL CODE WITH MY OWN SCAN TOOL - P…
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WRENCH LIGHT APPEARS ON DASH AND THE CAR LOSES ALL POWER - KNOWN AS "LIMP HOME" MODE. CODES CLEAR UPON RESTART. TOOK IT TO DEALER AFTER FREEWAY INCIDENT ON 2/17/19, DEALER FOUND NO CODES, STATED IT WAS MOTOR MOUNT. GOT THE CAR BACK ON 2/25/17, AND IT HAPPENED AGAIN WITHIN 30 MILES. WAS ABLE TO PULL CODE WITH MY OWN SCAN TOOL - P2111. KNOWN ERROR IN THROTTLE. THIS HAPPENED WHILE TRAVELING APPROXIMATELY 40 MPH, AND ONCE ON EXPRESSWAY, TWO ADDITIONAL TIMES AT AROUND 20 MPH
FIRST TIME CAR WOULDN'T START PARKED AT WORK, 2 DAYS LATER ON MONDAY IT STARTED, DROVE IT TO DEALER, THEY REPLACED THE SENDER AND PUMP ASY, UNDER WARRANTY. 3 MTHS LATER SPUTTER AND DIED PULLING INTO TRAFFIC, HAD CAR TOWED TO DEALER, THEY REPLACED FUEL PUMP CONTROL MODULE, NOT ON RECALL OR WARRANTY.
OUR 2015 FORD FLEX RECENTLY DIED WHEN WE WERE DRIVING IN TRAFFIC, WITH NO WARNING WHEN WE WERE DRIVING WITH OUR 2 YOUNG CHILDREN. THE FORD FLEX ONLY HAS ~45K MILES ON IT AND HAS BEEN SERVICED REGULARLY. TURNS OUT IT IS BAD PART (FUEL PUMP ELECTRIC MODULE (PEM)) THAT IS RECALLED BY FORD IN THE 2015 FLEX. THE RECALL WAS STARTED IN…
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OUR 2015 FORD FLEX RECENTLY DIED WHEN WE WERE DRIVING IN TRAFFIC, WITH NO WARNING WHEN WE WERE DRIVING WITH OUR 2 YOUNG CHILDREN. THE FORD FLEX ONLY HAS ~45K MILES ON IT AND HAS BEEN SERVICED REGULARLY. TURNS OUT IT IS BAD PART (FUEL PUMP ELECTRIC MODULE (PEM)) THAT IS RECALLED BY FORD IN THE 2015 FLEX. THE RECALL WAS STARTED IN 2016 AND OUR FLEX DIED IN 2018. I WAS TOLD BY THE DEALER AND LATER BY FORD SERVICE THAT OUR CAR IS NOT COVERED BECAUSE THE VIN IS NOT INCLUDED IN THE RECALL. SO WHILE SOME 2015 FORD FLEXS' HAD THIS EXACT PART COVERED UNDER WARRANTY OURS WAS NOT. WE HAD TO HAVE IT TOWED INTO THE DEALER, SAN TAN FORD IN GILBERT AZ, AND THEN PAY THEM ABOUT $400 FOR THE REPAIR. THE DEALER WAS GREAT BUT IT IS NOT RIGHT FORD DOES NOT COVER THIS PART ON OUR PARTICULAR CAR SINCE IT IS EXACTLY THE MAKE, MODEL, YEAR AND PART THAT IS COVERED UNDER THE WARRANTY. BELOW IS A COPY OF THE RECALL FROM THE NHTSA.GOV WEBSITE. SUMMARY: FORD MOTOR COMPANY (FORD) IS RECALLING CERTAIN MODEL YEAR 2013-2015 FORD TAURUS, FORD FLEX, LINCOLN MKS AND LINCOLN MKT VEHICLES EQUIPPED WITH 3.5L GTDI ECOBOOST ENGINES AND 2013-2015 FORD TAURUS POLICE INTERCEPTOR VEHICLES. A COMPONENT WITHIN THE FUEL PUMP ELECTRIC MODULE (PEM) MAY OVERHEAT CAUSING A LOSS OF ELECTRICAL POWER TO THE FUEL PUMP. CONSEQUENCE: A LOSS OF POWER TO THE FUEL PUMP WILL CAUSE THE ENGINE TO STALL OR PREVENT THE VEHICLE FROM STARTING, INCREASING THE RISK OF A CRASH.
Official recalls
425V695000 · Back Over Prevention: Sensing System: Camera
Oct 13, 2025
Ford Motor Company (Ford) is recalling certain 2015-2019 Flex, 2015 Explorer, Lincoln MKT, Lincoln MKZ, 2015-2016 C-Max, Escape, Taurus, 2016 Fusion, 2018-2019 Taurus, 2019 Lincoln MKT, Fiesta, and 2020 Mustang vehicles. The rearview camera may display a distorted, intermittent, or blank image when the vehicle is in reverse.
Consequence & remedy
Consequence: A rearview camera that fails to properly display an image can reduce the driver’s view behind the vehicle, increasing the risk of a crash.
Remedy: Dealers will inspect and replace the rearview camera as necessary, free of charge. This will be a phased campaign, with the remedy becoming available in different phases based on model and model years. Interim letters notifying owners of the safety risk were mailed on October 25, 2025. Additional letters will be mailed once the final remedy is available on each phase. Mustang owner notification letters were mailed January 2, 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 25SA9. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on October 14, 2025.
20V072000 · Suspension:rear
Feb 10, 2020
Ford Motor Company (Ford) is recalling certain 2013-2018 Lincoln MKT and Ford Flex and Taurus vehicles with the Police Interceptor or SHO Performance Pack. The rear suspension toe links may fracture due to stress on the rear suspension.
Consequence & remedy
Consequence: A fractured rear toe link will cause a sudden change in vehicle handling and increase the risk of a crash.
Remedy: Ford will notify owners, and dealers will replace the rear suspension toe links, free of charge. Remedy parts are not currently available. Owners were notified about the recall on March 3, 2020. A second notice will be mailed when remedy parts become available, which is currently expected to be the end of September 2020. The recall began October 28, 2020. Owners may contact Ford customer service at 1-866-436-7332 or Lincoln customer service at 1-800-521-4140. Ford's number for this recall is 20S04.
16V621000 · Fuel System, Gasoline:delivery:fuel Pump
Aug 25, 2016
Ford Motor Company (Ford) is recalling certain model year 2013-2015 Ford Taurus, Ford Flex, Lincoln MKS and Lincoln MKT vehicles equipped with 3.5L GTDI Ecoboost engines and 2013-2015 Ford Taurus Police Interceptor vehicles. A component within the fuel pump electric module (PEM) may overheat causing a loss of electrical power to the fuel pump.
Consequence & remedy
Consequence: A loss of power to the fuel pump will cause the engine to stall or prevent the vehicle from starting, increasing the risk of a crash.
Remedy: Ford will notify owners, and dealers will inspect the fuel PEM part number and replace the fuel PEM, as necessary, free of charge. The recall began on December 1, 2016. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 16S31.
15V464000 · Parking Brake
Jul 24, 2015
Ford Motor Company (Ford) is recalling certain model year 2015 Ford Taurus, Ford Flex, and Lincoln MKS vehicles manufactured May 4, 2015, to May 23, 2015, Lincoln MKT vehicles manufactured May 4, 2015, to May 21, 2015, and 2015-2016 Ford Explorer vehicles manufactured May 4, 2015, to May 23, 2015. The affected vehicles have a parking brake that may not fully engage when applied. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 135, "Light Vehicle Brake Systems."
Consequence & remedy
Consequence: If the parking brake does not fully engage and the transmission is left in a gear other than 'Park' while on a slope, the vehicle may roll away, increasing the risk of a crash.
Remedy: Ford will notify owners, and dealers will test the operation of the parking brake system, and if necessary, replace the parking brake control assembly, free of charge. The recall began on September 4, 2015. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 15C07.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
0No exact-year investigations in this snapshot.
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