2021 Ford Explorer

On July 22, 2022, the Office of Defects Investigation (ODI) granted a Defect Petition (DP22001) and opened a Preliminary Evaluation (PE22007) to investigate allegations of loss of motive power in model year (MY) 2021 Ford Bronco vehicles equipped with 2.7L EcoBoost engines. Complainants were reporting sudden engine failure while driving resulting in a loss of motive power, often without the ability to restart. During PE22007, the cause of engine failure and loss of motive power in the subject vehicles was determined to be intake valve fracture, and the full scope of vehicles affected by the subject defect was identified as all MY 2021-2022 Ford and Lincoln models equipped with either the 2.7L or 3.0L EcoBoost engines, referred to as the “Nano” engine family.  If an intake valve fractures in the subject engines, it may drop into the cylinder and contact the piston, often resulting in catastrophic engine damage. On September 29, 2023, PE22007 was upgraded to an Engineering Analysis (EA23002) to further investigate the subject defect across the full scope of affected vehicles. During EA23002, ODI visited Ford facilities to review technical information related to intake valve fracture in “Nano” engines, coordinated with NHTSA’s Vehicle Research and Testing Center (VRTC), and analyzed updated field data relating the subject defect. Forensic analysis of fractured intake valves demonstrated that the defective components exhibited “grinding burn” or out of specification hardness in the area of the keeper grooves. The presence of grinding burn is evidence that during the groove grinding phase of production, the temperature of the valve became sufficiently high to alter the microstructure of the material and is indicative that the valve supplier’s manufacturing processes were not within control specifications. Grinding burn results in a hard, brittle microstructure and high residual stresses toward the surface of the valve. Through normal engine loading, a valve with grinding burn will likely fracture at the area of highest vulnerability, which is the third keeper groove. In its response to the EA23002 Information Request (IR) letter, Ford provided evidence of 396 customer complaints (including field reports), 825 warranty claims, and 936 engine exchanges. When considering both ODI and manufacturer failure report data, there have been reports representing 1066 unique vehicles within the subject vehicle population. Analysis of the failure report data demonstrates that vehicles equipped with potentially defective intake valves were built within a production “spike period” of May 2021 – October 2021. The beginning of the spike period corresponds to a ramp up in production at the valve supplier manufacturing facility, and the end of the spike period aligns with the implementation of several mid-production process improvements and the decision to change the metal alloy used to produce intake valves from “Silchrome Lite” to “Silchrome 1”. Ford began investigating the subject defect in July 2021, determined the root cause, and took corrective measures for the new production vehicles. Analysis of the failure report data demonstrates that these corrective actions were successful in eliminating the risk of intake valve fracture for subject vehicles produced after October 2021. However, Ford did not take any field action to address vehicles produced during the spike period, and in the several months following the implementation of the production changes, a significant number of field failures continued to occur. It is Ford’s assessment that not all valves produced during the spike period are defective, and that failures associated with the subject defect occur at low time in service. Analysis of the failure report data demonstrates that the vast majority of failures have occurred before 20,000 miles with over half of all reported failures occurring before 5,000 miles. The rate of reported failures related to the subject defect has steadily decreased since November 2021. ODI coordinated with NHTSA’s National Center for Statistics and Analysis (NCSA) to conduct statistical analysis and predict the number of future failures associated with the subject defect. The results of this analysis, and the trends identified through the failure report data are generally consistent with Ford’s assessment that defective intake valves will likely fail at a low time in service and indicate that the majority of subject vehicles equipped with defective valves have already experienced a failure. On August 23, 2024, Ford submitted recall 24V635 for subject vehicles equipped with “Nano” engines and built within the production spike period identified above (total population 90,736 vehicles). The remedy includes an inspection at a Ford/Lincoln dealership where the lifetime engine cycles of the vehicle will be determined. If a vehicle does not meet a threshold for lifetime engine cycles, the dealership will conduct a high RPM engine cycle accumulation procedure, which aims to identify if the vehicle is equipped with defective intake valves. Any vehicle that fails the accumulation procedure will receive an engine replacement under the recall. In addition to recall 24V635, Ford has stated that it will launch customer satisfaction campaign 24N12, which will provide extended warranty coverage to the subject vehicles through the earlier of 10 years or 150,000 miles. In view of the recall action being taken by Ford, ODI is closing this Engineering Analysis. To review the reports cited in the Closing Resume ODI Report Identification Number document, go to NHTSA.gov.

On July 17, 2023, the Office of Defect Investigation (ODI) opened this Recall Query (RQ) after receiving 2 consumer complaints alleging loss of vehicle forward power and/or loss of transmission torque of the rear wheels in model year (MY) 2020-2022 Ford Explorer vehicles (subject vehicles). The RQ was opened to focus on the effectiveness of the remedies of Recalls 22V-255 and 23V-199 related to the alleged problem. Recall 22V-255 involved replacing the bushing and axle cover in the following subject vehicles: 3.3L FHEV Police built before October 14, 2020, and 3.3L Gas Police vehicle built before January 31, 2021. For 2.3L RWD, 3.0L PHEV, 3.3LFHEV, and 3.0LST retail (non-police) vehicles, the recall provided an PCM software update to engage the Electronic Park Brake (EPB) when Park is commanded. The recall addressed a breakage of the rear axle bolt that can cause the driveshaft/half shafts to disconnect, resulting in a loss of transmission torque to the rear wheels necessary to hold park. If the parking brake is not applied, the loss of the primary park torque will allow the vehicle to roll in park increasing the risk of crash and injury. Recall 23V-199 addressed 674 of the subject vehicles produced from February 2, 2019 to April 4, 2022, which received an incorrect remedy under Recall 22V-255. The affected vehicles had received a previous Powertrain Control Module (PCM) update which did not include an automatic EPB engagement when vehicle is shifted to park. On October 17, 2023, Ford filed a new safety recall (Recall 23V-675) covering 238,364 MY 2020-2022 Explorer vehicles with the following powertrains: 3.3L FHEV Police, 3.3L Gas Police, 3.0L Gas Police, 2.3L RWD, 3.0L PHEV, 3.3L FHEV, 3.0L RWD and 3.0L AWD, produced from October 22, 2018 to July 6, 2022, equipped with a 3-point mounted axle design. Ford stated that the cause of the bolt fracture is due to joint design not robust to peak axle input torques and manufacturing variability. The primary contributor is insufficient bearings for maximum joint loads. This can result in bearing deformation, increasing bending stress on the bolt, which may lead to fatigue failure. On January 19, 2023, Ford amended Recall 23V-675 to add 1,942 MY 2020-2022 Explorer vehicles with the following powertrain: 3.0L RWD Platinum and King Ranch variant, produced from October 22, 2018 to July 6, 2022, equipped with a 3-point mounted axle design. In addition to the safety recall, Ford will conduct a customer satisfaction program for the following MY 2020-2022 Explorer vehicles with the following powertrains: 2.3L AWD, 3.3L Gas Retail, 3.0L Gas AWD Platinum and King Ranch, produced from October 22, 2018 to July 6, 2022. Ford stated that the Explorer powerpack variants not covered under Recalled 23V-675 do not present an unreasonable risk to motor vehicle safety due to the combination of lower peak torque levels and torque management strategies to share inputs between front and rear axles, reducing occurrence of higher torque.  According to Ford, this is also evidenced by the lower current and projected failure rates. In view of the recall action being taken by Ford, ODI is closing this RQ. NHTSA will continue to monitor complaints from the customer satisfaction program vehicles and reopen this issue, if necessary. The agency reserves the right to take additional action if warranted by future circumstances. To review the reports cited in the Closing Resume ODI Report Identification Number document, go to NHTSA.gov.

On 9/3/26, car completely shut down/went all black while we were parking. Car was towed to shop the next day. On 9/22/26, Ford told us the battery junction box is the issue and there is currently no ETA as the part is on back order because there is a national shortage on this part. Car has been in the shop for 19 days. Car payments and insurance payments are still being made. In the mean time, I am without a car.

NHTSA ID

11766518

Incident

Sep 3, 2026

Recall 26S14 was anticipated to be fixed 2Q2026 (April/May/June). We're now 3 - 6 months overdue for repair. Ineffective communications and timeliness on repairs.

NHTSA ID

11766048

Incident

Sep 21, 2026

While driving with the cruise on at 74 mph the vehicle jerked as if the brakes had been tapped. I shut off the cruise and tried to accelerate but nothing happened. At this point I signaled to change lanes and pulled to the right shoulder. There were no dash lights or warning alarms prior to the engine stalling. Clearly an engine stalling at this rate of speed could have ended bad for all 5 passengers and surrounding vehicles. Vehicle is being towed to Augusta, KS Ford dealer this morning 9/21/26. Vehicle was scanned and is showing a hard code for low pressure to fuel pump. This vehicle is not currently included in the NHSTA Campaign 25V455000.

NHTSA ID

11765785

Incident

Sep 19, 2026

I had a very serious safety failure of my 2021 Ford explorer. On Monday, XXX my 2021 Explorer suffered an unprompted, catastrophic failure matching recall 26S48, but Ford is denying coverage based on build dates. After driving roughly 35mph, pressing the brake, and nearing a stop sign, the explorer put itself into park. The engine compartment made noises and the vehicle continued to roll until the I quickly prompted activating the emergency brake before rolling into the intersection with heavy traffic. Even in park, the vehicle continued to roll (until the e-brake was activated). I had my [XXX] child in the vehicle with me, and thankfully nobody was injured. I had no dash warning lights, or any other signs of impending failure. I had it towed to my trusted (certified) mechanic who inspected the vehicle and diagnosed the following: The transmission output shaft is sheered off, right at the parking pawl. He states this would only happen if the vehicle put itself into park, while moving. This catastrophic failure could lead to a tragic accident, and could kill somebody. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ID

11765091

Incident

Sep 14, 2026

The contact owns a 2021 Ford Explorer. The contact stated that the electronic seat back adjustment malfunctioned, causing the right side of the seat to rise while the left side failed to respond, resulting in extreme discomfort for the driver while operating the vehicle. No warning lights illuminated. The local dealer was notified of the failure and offered the replacement part for purchase. The contact purchased the part to repair the vehicle. The manufacturer was notified of the failure. The failure mileage was 60,000.

NHTSA ID

11764501

Incident

May 4, 2026

Mileage

60,000 mi

The contact owns a 2021 Ford Explorer. The contact received notifications of NHTSA Campaign Numbers: 26V117000 (Visibility) and 26V402000 (Power Train); however, the parts to perform the recall repairs were unavailable. The contact stated that the manufacturer exceeded a reasonable amount of time for the recall repairs. While driving at various speeds, the transmission shifted into park, the vehicle entered LIMP mode, the engine revved abnormally, and there was a smoke odor inside the vehicle. The contact coasted to the side of the road, shifted into park, and waited before shifting back into drive. While refueling the vehicle with the engine turned off and the nozzle inside the fuel filler neck, the vehicle suddenly rolled forward, pulling the fuel pump away from the station. The contact stated that the vehicle continued to roll unless the parking brake was engaged. The dealer was contacted and confirmed that parts were unavailable for the recall repairs. The manufacturer was notified of the issues and stated that parts were expected in the second quarter of 2027. The failure mileage was approximately 64,000.

NHTSA ID

11764422

Incident

Mar 3, 2026

Mileage

64,000 mi

The contact owns a 2021 Ford Explorer. The contact received notification of NHTSA Campaign Number: 26V402000 (Power Train); however, the part to complete the recall repair was not yet available. The contact stated that the messages “Service Vehicle Soon” and "Shift Service Fault" were displayed. The local dealer was contacted and confirmed that the parts for the recall repair were not yet available. The contact stated that the manufacturer had failed to repair the vehicle within a reasonable amount of time. The failure mileage was unknown.

NHTSA ID

11764219

Incident

Jun 24, 2026

The shade on the sunroof as come out of track and when you let the shade back it drops down in the car blocking vision out the back glass

NHTSA ID

11764207

Incident

Oct 24, 2025

This article supersedes 26-2287. Reason for update: update the labor operation numbers to add MT to operations C, F, G, H, J, K, L and M, and correct the part number LIMZ-4A015-B to L1MZ-4A015-B. Some of the vehicles listed in the Model statement above may exhibit at least one of the following conditions:  Harsh engagement  Delayed engagement  Harsh shift  Delayed shift  Illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC)s P0751, P0752, P0756, P0757, P0761, P0762, P0766, P0767, P0771, P0772, P2700, P2701, P2702, P2703, P2704, P2705, P2707, P2708, P0729, P0731, P0732, P0733, P0734, P0735, P0736, P076F, P07D9, P07F6 and/or P07F7 stored in the powertrain control module (PCM) or transmission control module (TCM). This may be due to axial movement of the CDF clutch cylinder sleeve causing hydraulic circuit leaks. NOTE: If internal transmission service is required to address a concern detected with the CDF clutch cylinder following this article, technicians should carefully inspect and replace other transmission components and flush transmission fluid cooler only as ne

For Various Ford and Lincoln vehicles, if diagnostics lead to the replacement of the front seat cushion cover J-clips, lower-level service parts are now available. Use service part W709919-S901 if the J-clip is completely detached from the seat cover and W715386-S424 if the clip is still partially attached. It is not necessary to replace the seat cover if only the J-clip is separating from the cover. Refer to PTS Home > Technical Assistance > Technical Support Videos > Section 501- Body and Paint > Seat J-Clips. For claiming, use causal parts from list below and labor operations 63100A and 63100A5. Causal Parts for claiming: Bronco/Bronco Sport/Escape/Explorer/Expedition/Navigator: 7862900 or 7862901 F-150/F-Super Duty: 1562900 or 1562901 Ranger/Maverick: 6062900 or 6062901

Some 2020-2025 Explorer vehicles equipped with a power roof opening panel may exhibit a sunshield with localized bunching or binding/inoperative. This may be due to a broken or missing sunshield fabric retainer/clip. A revised sunshield clip (LJ6Z-5452118-B) is now available to address this condition. It is not necessary to replace the entire sunshield assembly if the clip(s) are broken or missing. Refer to Workshop Manual (WSM), Section 501-17 Roof Opening Panel > General Procedures > Inspection and Replacement of the Roof Opening Panel Shield Clip.

Some 2021-2023 F-150 vehicles equipped with a 3.5L PowerBoost engine, 2020-2026 Explorer vehicles equipped with a 3.3L hybrid engine, and 2020-2023 Lincoln Aviator vehicles equipped with a 3.0L EcoBoost hybrid engine may exhibit an illuminated powertrain malfunction (wrench) indicator with diagnostic trouble code (DTC) P0A1E stored in the powertrain control module (PCM). The vehicle may be unable to enter electric-only drive modes as expected during normal drive cycles. This may be due to the belt integrated starter generator (BISG). For vehicles with this condition, follow the necessary Pinpoint Test in Workshop Manual (WSM), Section 303-06 for DTC P0A1E and repair the vehicle as directed. Note that previous replacement of the BISG does not negate the need for subsequent BISG replacements if directed to do so by the appropriate Pinpoint Test diagnostics. Engineering is investigating this BISG quality concern. Monitor PTS for updates regarding this investigation.

NEW VEHICLE DELIVERY HOLD - Emissions Recall 26E04 Certain 2021-2025 Model Year F-150, Maverick, Mustang, Ranger, Expedition, Bronco Sport, Explorer, Bronco, Navigator, and Aviator Vehicles Powertrain Control Module Software Update

This article supersedes 25-2302. Reason for update: update the labor time allowance for F-150 vehicles, update the Parts list to replace the part number W716979-S439 with W721084-S439, and add a note for LV fluids XT-10-QLVC and CXT-10-LV6 "Transfer Case Fluid". Some of the vehicles listed in the Model statement above may exhibit at least one of the following conditions:  Harsh engagement  Delayed engagement  Harsh shift  Delayed shift  Illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC)s P0751, P0752, P0756, P0757, P0761, P0762, P0766, P0767, P0771, P0772, P2700, P2701, P2702, P2703, P2704, P2705, P2707, P2708, P0729, P0731, P0732, P0733, P0734, P0735, P0736, P076F, P07D9, P07F6 and/or P07F7 stored in the powertrain control module (PCM) or transmission control module (TCM). This may be due to axial movement of the CDF clutch cylinder sleeve causing hydraulic circuit leaks. NOTE: If internal transmission service is required to address a concern detected with the CDF clutch cylinder following this article, technicians should carefully inspect and replace other tra