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2023 Fisker Ocean

Owner reports · Recalls · Investigations

When problems were reported

Mileage at the reported incident

Limited mileage data: 72 of 883 reports include usable mileage. There isn’t enough coverage to show a useful chart.

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.

  • Electrical System. Review the 380 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Service Brakes. Review the 302 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Forward Collision Avoidance. Review the 211 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

12 crash reports3 fire reports6 injury reports

Electrical System complaints

380 reports
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Mileage unknown · Feb 16, 2025
Electrical SystemService BrakesVehicle Speed Control

There has been multiple recalls on this vehicle. I have not received any recall updates. Software updates were to be sent out to fix the braking situation. I continue to be on 2.0 for the last year, and I have had issues with my braking since buying the vehicle over a year ago. I have a braking warning lamp upon starting the…

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There has been multiple recalls on this vehicle. I have not received any recall updates. Software updates were to be sent out to fix the braking situation. I continue to be on 2.0 for the last year, and I have had issues with my braking since buying the vehicle over a year ago. I have a braking warning lamp upon starting the car.

NHTSA ODI #11642963

Mileage unknown · Feb 15, 2025
Electrical SystemEnginePower Train

Unannounced and unauthorized software update caused a motor control unit failure. My vehicle was unable to go into gear or drive after this unannounced update.

NHTSA ODI #11642944

Mileage unknown · Feb 15, 2025
Electrical SystemFuel/propulsion System

I received and over-the-air software update pursuant to NHTSA Campaign Number 24V623. This update imposed a demand on the electrical system sufficient to deplete the 12v battery in the vehicle and damage it to the degree that it required replacement. This software update was incomplete, and further updates are still required, so…

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I received and over-the-air software update pursuant to NHTSA Campaign Number 24V623. This update imposed a demand on the electrical system sufficient to deplete the 12v battery in the vehicle and damage it to the degree that it required replacement. This software update was incomplete, and further updates are still required, so the newly-replaced battery is now at risk. As a result of this software update, the efficiency of the vehicle has been severely compromised. For example, my trip to an from work yesterday totaled 14.3 miles, according to the odometer. That resulted in a drain of 26 miles from the high voltage battery, so the vehicle now consumes approximately 40% more electricity to accomplish the same travel, or , the range has decreased by approx 40%.

NHTSA ODI #11642893

Mileage unknown · Feb 14, 2025
Electrical SystemSteeringUnknown Or Other

While receiving an Over the Air recall update from American Leasing on my 23' Fisker Ocean One the car bricked....making it completely inoperable. Both 12v battery was good and the car had a SOC of 78 percent. American leasing hasn't responded nor to I can get the information from them.

NHTSA ODI #11642769

Mileage unknown · Feb 14, 2025
Electrical System

The vehicle's range has gone down from the original 360 miles to 220 miles on a full charge. I've owned the vehicle since Aug 2023 and it is nearly impossible for the battery to degrade that significantly. This all occurred after updating to OS2.2. My home electric usage has doubled and it's become cost prohibitive to operate th…

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The vehicle's range has gone down from the original 360 miles to 220 miles on a full charge. I've owned the vehicle since Aug 2023 and it is nearly impossible for the battery to degrade that significantly. This all occurred after updating to OS2.2. My home electric usage has doubled and it's become cost prohibitive to operate the vehicle. Please advise what options are available.

NHTSA ODI #11642725

Mileage unknown · Feb 14, 2025
Back Over PreventionElectrical SystemForward Collision Avoidance

Received 2.2 updates on November 12th 2024. Vehicle didn't next day morning. 12V battery was totally drained. I had to call one of the Fisker old technician to remove the old battery and install a new battery. I had to pay him $400 on that day. He said he had to come back again and update the software as 2.2 update didn't happen…

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Received 2.2 updates on November 12th 2024. Vehicle didn't next day morning. 12V battery was totally drained. I had to call one of the Fisker old technician to remove the old battery and install a new battery. I had to pay him $400 on that day. He said he had to come back again and update the software as 2.2 update didn't happen properly. He came back again a week after and charged me $1400 for fixing the car which was Brick condition. I have wasted a total of $1800 just in 2 weeks. But still I don't have 2.2 update on my fisker

NHTSA ODI #11642677

Mileage unknown · Feb 13, 2025
Electrical SystemFuel/propulsion SystemService Brakes

I have three separate issues. 1. When using the Ocean to tow with the OEM, installed from the factory, tow package, using the turn signals while braking will result in no turn signal indication when using a flat 4 adapter. 2. Range of the vehicle has dramatically decreased to the point where range is unpredictable in the Ocean O…

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I have three separate issues. 1. When using the Ocean to tow with the OEM, installed from the factory, tow package, using the turn signals while braking will result in no turn signal indication when using a flat 4 adapter. 2. Range of the vehicle has dramatically decreased to the point where range is unpredictable in the Ocean OS 2.2 update. When we used to get over 300 mi of real range on 340 mi estimated, we can no longer get 200 mi on a charge. This can be startling and result in unforeseen out of power conditions while on the road. 3. I have been unable to obtain the recalled cabin water pump which can cause the car to go into limp mode. Shops in the area are quoting more than the advertised $170 that will be paid out for replacement.

NHTSA ODI #11642650

Mileage unknown · Feb 13, 2025
Electrical SystemPower TrainService Brakes

I request that compliance to Fisker Recalls be enforced due failure of Fisker (Bankrupt) , and its OTA team and trustee to pay for water pump recall service and to complete other required other recalls. I have paid out of pocket a service tech $200 for the water pump recall, , $175 plus $25 for mobile/travel fee. The trust…

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I request that compliance to Fisker Recalls be enforced due failure of Fisker (Bankrupt) , and its OTA team and trustee to pay for water pump recall service and to complete other required other recalls. I have paid out of pocket a service tech $200 for the water pump recall, , $175 plus $25 for mobile/travel fee. The trustees have not been responsive on how to get service or on reimbursements. The OTA team responsible for Software recall work has also been non-responsive. I have received a partial OTA update that does not include any of the components required by the recall work . Also after the bankruptcy , near my home in Arizona, Fisker FAST tools were being used to perform software recall work on cars being transferred to American lease. Fisker employees at the tempe site were unresponsive to have my vehicle updated. And then the Fisker FAST tools for updating software were not left in the Arizona and Nevada area. A Fisker Fast tool should be provided to a regional service tech without cost instead of the rumored $16000 fee being asked by American lease. I recommend the tool be provided free of charge to Chris Peralta, A Fisker trained tech who is authorized by the Fisker Owners Association and who has been performing service work for many vehicle owners in the Arizona and Nevada Areas.

NHTSA ODI #11642649

Mileage unknown · Feb 13, 2025
Electrical SystemUnknown Or Other

I received a notice of a safety recall TSB30032401 (cabin electric water pump). the pump was part was supplied but i had to pay for labor to correct the safety recall as Fisker only supplied the pumps to authorized repair shops. My out-of-pocket expense was $231.88 This work was done on 11/18/2024

NHTSA ODI #11642570

Mileage unknown · Feb 13, 2025
Electrical SystemFuel/propulsion SystemUnknown Or Other

My car was bricked as a result of the OTA 2.2 update on [XXX]. This update was mandatory as it was what Fisker was doing to satisfy a recall. To try to remedy, I replaced the 12 v battery. I also followed online guides to get the High Voltage battery going again, as it was at 0%. I used a 25 amp and also a 40 amp 12 v charger a…

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My car was bricked as a result of the OTA 2.2 update on [XXX]. This update was mandatory as it was what Fisker was doing to satisfy a recall. To try to remedy, I replaced the 12 v battery. I also followed online guides to get the High Voltage battery going again, as it was at 0%. I used a 25 amp and also a 40 amp 12 v charger attached to the battery, and this allowed the charge port to go to blue (from red) after 20 min attached to the 12 v charger. Once I attach the HV charger cable (I have tried both Level 1 and Level 2) the light blinks green as expected but then goes to red and fails after about 20 seconds. I finally got it fixed on [XXX] as the Fisker representatives were not able to resolve. I hired an ex-Fisker Tech, [XXX], based on guidance from the Fisker Facebook group, to come and resolve the issue. The cost of getting the car back up and going included: 12 v Battery $259.99 Schumacher Battery Starter/Engine Starter $164.99 [XXX] - Ex Fisker Tech travel from St Augustine $350 [XXX] - Ex Fisker Tech time and materials to resolve issue $1230 Total costs: $2004.98 INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ODI #11642535

Official recalls

6

24V865000 · Service Brakes, Hydraulic; Autohold Brake System/brake Hold:software

Nov 15, 2024

Fisker Group Inc (Fisker) is recalling certain 2023-2024 Ocean vehicles. The transmission may not shift into the selected gear, allowing the vehicle to roll away while in Drive or Reverse.

Consequence & remedy

Consequence: A vehicle roll away increases the risk of a crash or injury.

Remedy: Fisker released an over-the-air (OTA) software update on March 11, 2024, free of charge. Owners may contact Fisker customer service at 1-844-347-5371.

24V623000 · Service Brakes, Electric:software/programming

Aug 20, 2024

Fisker Group Inc (Fisker) is recalling certain 2023-2024 Ocean vehicles. The brake module software may cause an unexpected reduction in regenerative braking, decreasing the braking performance.

Consequence & remedy

Consequence: Decreased braking performance can extend the distance required to stop, increasing the risk of a crash.

Remedy: Fisker will release an over-the-air (OTA) software update, free of charge. Owner notification letters were mailed September 26, 2024. Owners may contact Fisker customer service at 1-844-347-5371. Fisker's number for this recall is TSB10062408.

24V499000 · Electrical System:propulsion System:traction Battery:management System/energy Control Module (bms/becm)

Jul 2, 2024

Fisker Group Inc (Fisker) is recalling all 2023-2024 Ocean vehicles. A communication failure with the cabin electric water pump can cause the high voltage battery management system (BMS) to enter limp mode, causing a loss of drive power.

Consequence & remedy

Consequence: A sudden loss of drive power increases the risk of a crash.

Remedy: Fisker will replace the pumps, free of charge. Owner notification letters were mailed August 19, 2024. Owners may contact Fisker customer service at 1-844-347-5371. Fisker's number for this recall is TSB30032401.

24V466000 · Structure:body:door:handle:exterior

Jun 20, 2024

Fisker Group Inc (Fisker) is recalling all 2023-2024 Ocean vehicles. The exterior door handles can stick and fail to open.

Consequence & remedy

Consequence: A door that fails to open can prevent occupants from exiting in an emergency, increasing the risk of injury.

Remedy: Fisker will inspect and replace the door handles as necessary, free of charge. Owner notification letters were mailed August 19, 2024. Owners may contact Fisker customer service at 1-844-347-5371. Fisker's number for this recall is TSB55062401.

24V404000 · Electrical System:propulsion System:traction Battery:management System/energy Control Module (bms/becm):software

Jun 5, 2024

Fisker Group Inc (Fisker) is recalling all 2023 Ocean vehicles. The Motor Control Unit (MCU) and Vehicle Control Unit (VCU) software may cause the vehicle to enter a safe state protection mode unexpectedly, causing a loss of drive power.

Consequence & remedy

Consequence: A loss of drive power increases the risk of a crash.

Remedy: Fisker will release an over-the-air (OTA) update to the MCU and VCU software, free of charge. Owner notification letters were mailed June 13, 2024. Owners may contact Fisker customer service at 1-844-347-5371. Fisker's number for this recall is TSB10032403.

24V405000 · Electrical System: Instrument Cluster/panel

Jun 5, 2024

Fisker Group Inc (Fisker) is recalling all 2023 Ocean vehicles. The instrument panel displays the incorrect font size of the Brake, Park, and Antilock Brake System (ABS) warning lights, and displays certain warning lights in amber instead of red. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard numbers 135, "Light Vehicle Brake Systems" and 101, "Controls and Displays." Additionally, multiple warning lights fail to illuminate during the ignition cycle bulb check, failing to comply with the requirements of FMVSS 138 and 208.

Consequence & remedy

Consequence: Warning lights that do not display correctly can fail to alert the driver to critical safety information, increasing the risk of a crash or injury.

Remedy: Fisker will release an over-the-air (OTA) software update, free of charge. Owner notification letters were mailed June 11, 2024. Owners may contact Fisker customer service at 1-844-347-5371. Fisker's number for this recall is TSB70062404.

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

4

PE24013 · Inadvertent Automatic Emergency Braking

Opened May 8, 2024 · Closed Jan 16, 2025

Status: closed (inferred from source dates) · Forward Collision Avoidance: Automatic Emergency Braking

On May 8, 2024, the Office of Defects Investigation (ODI) opened PE24013 to investigate reports of inadvertent activation of the automatic emergency braking (AEB) system in model year (MY) 2023 Fisker Ocean vehicles manufactured by Fisker Group Inc. (Fisker). The complaints allege the activation of AEB without an apparent roadway obstruction in the vehicle’s forward path, resulting in sudden vehicle deceleration. This sudden deceleration occurs without adequate warning or input from the driver. The braking applications range from momentary, partial application resulting in rapid loss of speed to full application, which brings the vehicle to a complete stop in the travel lane. ODI sent Fisker an Information Request (IR) letter on May 20, 2024. On June 17 and 19, 2024, Fisker and its affiliates filed a voluntary petition for relief under chapter 11 of the Bankruptcy Code. Fisker provided an incomplete response to the IR on July 1, 2024. Limited information pertaining to system validation and failure data was provided. Fisker subsequently requested more time to provide additional responsive files due to limited available resources. Fisker sent additional responsive files on September 9, 2024, September 17, 2024, and December 16, 2024, but Fisker’s response did not contain sufficient information for ODI to fully evaluate the alleged safety defect. Further, on December 27, 2024, the Fisker employees with whom ODI had been corresponding informed ODI that all Fisker employees were being “dismissed” as of that date. ODI therefore does not anticipate receiving any further responsive submissions such that it can fully evaluate the reports that led to this investigation. ODI performed phone interviews and sent a survey to consumers to obtain more information and validate the allegations. Additionally, ODI reviewed allegations of the alleged safety defect that were submitted to various online forums. Most of these reports were similar in nature to the reports received by ODI. Some of the reports in online forums appear to be duplicative reports that were also submitted to ODI. Based on the responses received and analysis of similar online reporting, there was no clear trend in the following factors pertaining to the allegations: reoccurrence of events (i.e., single or multiple incidents), speed immediately prior to the event, whether the event concluded in a reduction of speed or a full stop, roadway conditions, and warning immediately prior to the event. To date, between the reports provided by Fisker and complaints made directly to the agency, ODI is aware of over 20 reports alleging inadvertent AEB activation. Before the employees were dismissed, Fisker’s testing done in response to the inadvertent AEB allegations reportedly did not result in any inadvertent AEB activations. The “Manufacturer” and “Total” counts in the above table have been left blank because of a pending request for confidential treatment by Fisker that could not be timely addressed given the company’s status. This information factored into ODI’s investigation and analysis. The available information does not warrant further action at this time.  The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist. Additionally, the Agency notes that the Vehicle Safety Act states: “A manufacturer’s filing of a petition in bankruptcy under chapter 7 or chapter 11 of title 11 does not negate the manufacturer’s duty to comply with section 30112 or sections 30115 through 30120 of this title,” which include the recall provisions of the Act. The Agency reserves the right to take additional action if warranted by future circumstances. To review the ODI reports cited in the Closing Resume ODI Report Identification Number document, go to NHTSA.gov.

PE24010 · Failure To Open Door

Opened Apr 1, 2024 · Closed Aug 26, 2024

Status: closed (inferred from source dates) · Latches/locks/linkages:doors:latch

On April 1, 2024, the Office of Defects Investigation (ODI) opened PE24010 to investigate instances of failure to open the door in model year (MY) 2023 Fisker Ocean vehicles manufactured by Fisker Group Inc. Some complaints allege the inability to open the door from either the interior or exterior door handle, resulting in the need to use another door to egress. The investigation revealed that all four exterior door handles are subject to sticking in the extended/unlocked position, which may result in the inability to unlatch the door from either the interior or exterior door handle. The root cause is a dimensional interference between the exterior door handle chassis pocket and door handle, causing friction during handle deployment and retraction. The inability to open and egress from the occupant’s adjacent door presents an unreasonable risk to motor vehicle safety. On June 27, 2024, Fisker filed recall 24V-466 for certain MY 2023 Fisker Ocean vehicles. The recall remedy includes an inspection procedure for all four doors and provides replacement of the outer door handle if a “Not Okay” result is found. In view of the recall action being taken by Fisker, ODI is closing this Preliminary Evaluation. 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.

PE24005 · Unintended Vehicle Movement

Opened Feb 14, 2024 · Closed Dec 6, 2024

Status: closed (inferred from source dates) · Power Train:automatic Transmission

On February 14, 2024, the Office of Defects Investigation (ODI) opened PE24005 to investigate reports of unintended vehicle movement in model year (MY) 2023 Fisker Ocean vehicles manufactured by Fisker Group Inc. The complaints allege the inability to shift into the park gear and/or vehicle rollaway. The investigation found that the subject vehicles contain a logic that prevents the engagement of the park gear when the park gear request is made while the vehicle is still moving at low speeds. In the event the driver requests the park gear prior to the vehicle achieving a complete standstill status, the vehicle rejects the park gear request, displays a visual warning, and shifts into the neutral gear. Therefore, if the driver does not properly restrain the vehicle prior to exiting (i.e., allow the vehicle to come to a complete stop, then provide a second park gear request and/or engage the parking brake), the vehicle is at risk of freely rolling away in neutral. ODI found that existing strategies to deter drivers from exiting the vehicle after failing to ensure the transmission successfully engages the park gear have not stopped some from doing so. The absence of additional mechanisms to mitigate the effects of driver behavior in failing to ensure the park gear was engaged prior to exiting the vehicle constitutes a defect presenting a risk to motor vehicle safety. ODI is aware of one reported injury due to this safety defect. On November 15, 2024, Fisker filed recall 24V-865 for all MY 2023-2024 Fisker Ocean vehicles. The recall remedy is the release of software upgrade OS 2.0. This software update provides additional robustness to prevent unintended vehicle movement via two major changes. First, in the event the driver seatbelt is unlatched when the vehicle is traveling at low speeds, logic was added to initiate an automatic, controlled deceleration to bring the vehicle to a standstill. Once standstill status is achieved, the vehicle will automatically engage the park gear and the electronic parking brake. Second, OS 2.0 introduced an “Auto Vehicle Hold” feature, which holds the vehicle in standstill by maintaining friction brake pressure when the driver removes their foot from the brake pedal. This feature prevents the vehicle from rolling under gravity, which therefore helps engage both the park gear and electronic parking brake. In view of the recall action being taken by Fisker, ODI is closing this Preliminary Evaluation. 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.

PE24001 · Loss Of Braking Performance

Opened Jan 11, 2024 · Closed Aug 26, 2024

Status: closed (inferred from source dates) · Service Brakes; Service Brakes, Electric:software/programming

On January 11, 2024, the Office of Defects Investigation (ODI) opened PE24001 to investigate instances of loss of braking performance in model year (MY) 2023 Fisker Ocean vehicles manufactured by Fisker Group Inc. The complaints allege an intermittent partial loss of regenerative braking over low traction surfaces, without alerting the driver. ODI is aware of six minor crashes and one injury due to this failure. The subject vehicles utilize a brake blending feature to achieve deceleration. Upon application of the brake pedal, both the service brake system (friction braking) and regenerative braking system (electric motor negative torque) are applied. Regenerative braking on low friction road surfaces may result in wheel slippage due to the high motor negative torque. The vehicle responds by reducing and/or eliminating regenerative braking torque to reduce wheel slip on drive wheels to maintain vehicle stability and steerability. This reduction in regenerative braking may cause a sensation of loss of braking force (or even vehicle accelerating) that was reported by consumers. Additionally, the driver may experience an unusual/altered brake pedal feel during loss of regenerative braking events, requiring them to press the brake pedal harder to maintain the expected braking rate. Upon exiting the low friction road surface, the regenerative braking force is restored. The initial calibration of the regenerative braking system contained aggressive interventions with a slower recovery in the event of loss of regenerative braking. In November 2023, Fisker launched an Over-the-Air update (OS1.10 SW). This update included a recalibration to reduce regenerative braking torque less aggressively and allow torque recovery to occur more quickly. Based on consumer reports and the data that Fisker provided in response to ODI’s inquiry, OS 1.10 SW reduced, but did not eliminate, the sensation of loss of braking force and resulted in stopping distance performance improvements. Friction braking is always available when the driver presses the brake pedal, and its performance is unaffected by regenerative brake loss. Fisker’s braking system is designed to reach full deceleration even with an unavailable regenerative braking system. The partial loss of braking force during moderate braking events can be overcome by applying additional pressure to the brake pedal to slow or stop the vehicle. On August 20, 2024, Fisker filed recall 24V-623 for all 2023 MY Fisker Ocean vehicles produced for the U.S.A. The recall remedy includes OS 2.2 over-the-air update, which is expected to modify the brake module to enhance the vehicle brake system’s ability to adapt to various driving scenarios. With successful implementation of OS 2.2, a road disturbance will not trigger a reduction in regenerative braking torque. In view of the recall action being taken by Fisker, ODI is closing this Preliminary Evaluation. 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.

Additional source detail variants (2)

Service Brakes, Electric:software/programming

On January 11, 2024, the Office of Defects Investigation (ODI) opened PE24001 to investigate instances of loss of braking performance in model year (MY) 2023 Fisker Ocean vehicles manufactured by Fisker Group Inc. The complaints allege an intermittent partial loss of regenerative braking over low traction surfaces, without alerting the driver. ODI is aware of six minor crashes and one injury due to this failure. The subject vehicles utilize a brake blending feature to achieve deceleration. Upon application of the brake pedal, both the service brake system (friction braking) and regenerative braking system (electric motor negative torque) are applied. Regenerative braking on low friction road surfaces may result in wheel slippage due to the high motor negative torque. The vehicle responds by reducing and/or eliminating regenerative braking torque to reduce wheel slip on drive wheels to maintain vehicle stability and steerability. This reduction in regenerative braking may cause a sensation of loss of braking force (or even vehicle accelerating) that was reported by consumers. Additionally, the driver may experience an unusual/altered brake pedal feel during loss of regenerative braking events, requiring them to press the brake pedal harder to maintain the expected braking rate. Upon exiting the low friction road surface, the regenerative braking force is restored. The initial calibration of the regenerative braking system contained aggressive interventions with a slower recovery in the event of loss of regenerative braking. In November 2023, Fisker launched an Over-the-Air update (OS1.10 SW). This update included a recalibration to reduce regenerative braking torque less aggressively and allow torque recovery to occur more quickly. Based on consumer reports and the data that Fisker provided in response to ODI’s inquiry, OS 1.10 SW reduced, but did not eliminate, the sensation of loss of braking force and resulted in stopping distance performance improvements. Friction braking is always available when the driver presses the brake pedal, and its performance is unaffected by regenerative brake loss. Fisker’s braking system is designed to reach full deceleration even with an unavailable regenerative braking system. The partial loss of braking force during moderate braking events can be overcome by applying additional pressure to the brake pedal to slow or stop the vehicle. On August 20, 2024, Fisker filed recall 24V-623 for all 2023 MY Fisker Ocean vehicles produced for the U.S.A. The recall remedy includes OS 2.2 over-the-air update, which is expected to modify the brake module to enhance the vehicle brake system’s ability to adapt to various driving scenarios. With successful implementation of OS 2.2, a road disturbance will not trigger a reduction in regenerative braking torque. In view of the recall action being taken by Fisker, ODI is closing this Preliminary Evaluation. 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.

Service Brakes

On January 11, 2024, the Office of Defects Investigation (ODI) opened PE24001 to investigate instances of loss of braking performance in model year (MY) 2023 Fisker Ocean vehicles manufactured by Fisker Group Inc. The complaints allege an intermittent partial loss of regenerative braking over low traction surfaces, without alerting the driver. ODI is aware of six minor crashes and one injury due to this failure. The subject vehicles utilize a brake blending feature to achieve deceleration. Upon application of the brake pedal, both the service brake system (friction braking) and regenerative braking system (electric motor negative torque) are applied. Regenerative braking on low friction road surfaces may result in wheel slippage due to the high motor negative torque. The vehicle responds by reducing and/or eliminating regenerative braking torque to reduce wheel slip on drive wheels to maintain vehicle stability and steerability. This reduction in regenerative braking may cause a sensation of loss of braking force (or even vehicle accelerating) that was reported by consumers. Additionally, the driver may experience an unusual/altered brake pedal feel during loss of regenerative braking events, requiring them to press the brake pedal harder to maintain the expected braking rate. Upon exiting the low friction road surface, the regenerative braking force is restored. The initial calibration of the regenerative braking system contained aggressive interventions with a slower recovery in the event of loss of regenerative braking. In November 2023, Fisker launched an Over-the-Air update (OS1.10 SW). This update included a recalibration to reduce regenerative braking torque less aggressively and allow torque recovery to occur more quickly. Based on consumer reports and the data that Fisker provided in response to ODI’s inquiry, OS 1.10 SW reduced, but did not eliminate, the sensation of loss of braking force and resulted in stopping distance performance improvements. Friction braking is always available when the driver presses the brake pedal, and its performance is unaffected by regenerative brake loss. Fisker’s braking system is designed to reach full deceleration even with an unavailable regenerative braking system. The partial loss of braking force during moderate braking events can be overcome by applying additional pressure to the brake pedal to slow or stop the vehicle. On August 20, 2024, Fisker filed recall 24V-623 for all 2023 MY Fisker Ocean vehicles produced for the U.S.A. The recall remedy includes OS 2.2 over-the-air update, which is expected to modify the brake module to enhance the vehicle brake system’s ability to adapt to various driving scenarios. With successful implementation of OS 2.2, a road disturbance will not trigger a reduction in regenerative braking torque. In view of the recall action being taken by Fisker, ODI is closing this Preliminary Evaluation. 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.