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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

Fuel/propulsion System complaints

40 reports
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Mileage unknown · Jun 7, 2024
Electrical SystemFuel/propulsion SystemUnknown Or Other

There is an electrical component to this vehicle that is not shutting off. I charged the car to 80%, drove approximately 12 miles, locked the car at approximately 3:45 pm and it sat until 9:45am today. The vehicle has drained to 68%. I have proof of the charge for Electrify America and proof of the mileage.

NHTSA ODI #11593137

Mileage unknown · Jun 1, 2024
EngineFuel/propulsion SystemVehicle Speed Control

The primary central LCD display that controls charging the batteries, displays speed information on smaller and management of how the EV works is no longer working. This LCD panel is the only way to set, monitor, modify, control all functions of this car. I have been unable to get Fisker to fix this problem. I will call the…

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The primary central LCD display that controls charging the batteries, displays speed information on smaller and management of how the EV works is no longer working. This LCD panel is the only way to set, monitor, modify, control all functions of this car. I have been unable to get Fisker to fix this problem. I will call them and wait 4 to 5 hours on the phone and my call will always be dropped. There is no other option to contact them.

NHTSA ODI #11591953

Mileage unknown · Jun 1, 2024
Electrical SystemForward Collision AvoidanceFuel/propulsion System

The 2 LCD screens that display all car data from speed to navigation to charging to safety features have all gone dark. My Fisker Ocean One only had 1485 miles on it when this screen failure occurred. I cannot tell how much change the car has. I cannot tell how fast I am driving.

NHTSA ODI #11591889

Mileage unknown · May 11, 2024
Fuel/propulsion SystemPower TrainService Brakes

Cascading brake failures while driving. ABS unavailable. Regenerative braking unavailable causing the brake pedal to be really heavy and hard to stop. Parking brake warning. Tire pressure monitoring error. Traction control error (esc). Loud pump or motor noise coming from the rear when parked when failure occurs. Have video of…

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Cascading brake failures while driving. ABS unavailable. Regenerative braking unavailable causing the brake pedal to be really heavy and hard to stop. Parking brake warning. Tire pressure monitoring error. Traction control error (esc). Loud pump or motor noise coming from the rear when parked when failure occurs. Have video of this noise. This error is also causing the rear drive motor to not engage, causing half the power vehicle is supposed to have and front wheel drive only.

NHTSA ODI #11588234

Mileage unknown · May 1, 2024
Electrical SystemEngineFuel/propulsion System

I was driving at 50 mph, midday, on a local road. All of a sudden, got a motor error, the motor light came up in red on the dash, all safety lights turned on on the dashboard - brake, adaptive assist (ADAS), motor fault, no safety features available. The car would not accelerate wit pushing the pedal and the car lost all propu…

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I was driving at 50 mph, midday, on a local road. All of a sudden, got a motor error, the motor light came up in red on the dash, all safety lights turned on on the dashboard - brake, adaptive assist (ADAS), motor fault, no safety features available. The car would not accelerate wit pushing the pedal and the car lost all propulsion. I was able to coast to the side of the road and come to a stop. No brakes were functional.

NHTSA ODI #11586422

Mileage unknown · Apr 12, 2024
Fuel/propulsion System

On 3/29/24 my wife was driving the Fisker home on the freeway. She had about 20% battery left and was 5 miles from home. All of a sudden, the car lost power and she started to coast on the freeway. Nothing happened when she pushed on the accelerator. She made it to the side of the road. Stopped the car. And then turned it o…

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On 3/29/24 my wife was driving the Fisker home on the freeway. She had about 20% battery left and was 5 miles from home. All of a sudden, the car lost power and she started to coast on the freeway. Nothing happened when she pushed on the accelerator. She made it to the side of the road. Stopped the car. And then turned it on again and all was fine and drove home. She was severely shaken to completely lose power on the freeway. Then the same thing happened to me on 4/5/24. I was traveling with the cruise control on at 70 mph and I was on the Interstate 80 freeway. I was eastbound, 2 miles from the Bus. 80 junction. All of a sudden, the screen in front of me started flashing. It said "front ADAS malfunction", "braking problem, drive safely" " Battery low, 12v/HV". The car slowed to 52 mph and nothing happened when I pushed on the accelerator. I made my way through traffic with my hazard lights on and got to the side of the freeway. I stopped the car and put it in Park. Nothing changed. So I reset the system by pushing the two inside buttons of the steering wheel. It reset and everything worked. We contacted Fisker after the first incident and then again after the second incident. They said we were a "high" priority and we would be contacted by a service tech in 1-3 days. It has been 4 days and no one has contacted us. We are very hesitant to drive the car not knowing when it might quit on us again. We need answers from Fisker!

NHTSA ODI #11582493

Mileage unknown · Apr 4, 2024
Fuel/propulsion SystemService Brakes

As I was driving in the middle of a rainstorm and the typical collision avoidance, lane departure, blind spot monitoring lights turned on and off intermittently, which was expected with this car. I’m used to it by now. But as I came down a descent on the two lane highway (CA interstate 80 around Truckee), as I slowly let go of t…

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As I was driving in the middle of a rainstorm and the typical collision avoidance, lane departure, blind spot monitoring lights turned on and off intermittently, which was expected with this car. I’m used to it by now. But as I came down a descent on the two lane highway (CA interstate 80 around Truckee), as I slowly let go of the accelerator to allow for regen breaking to kick in, I got alerts for break malfunctions and failed regen breaking. Then all of a sudden, the accelerator lost all response and started to slow. I applied pressure to the accelerator and got nothing. Luckily there were no cars around, so I was able to cut across the next lane and onto the shoulder. Luckily the mechanical brakes still worked, though no regen breaking. I came to a complete stop, and as soon as I put the car into (P)ark the entire car shut off by itself, like it kissed all power. Fortunately, I was able to press through breaks the turn the car back on. Then everything went back to normal.

NHTSA ODI #11581100

Mileage unknown · Feb 25, 2024
EngineFuel/propulsion SystemPower Train

We were driving down a parkway and a yellow message flashed "battery malfunction" and the high-voltage battery fault came on and the car lost power while on a public road. I could break & steer but that was all. I was on a public road and had to coast down the hill (luckily was able to maintain speed) and there happened to be …

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We were driving down a parkway and a yellow message flashed "battery malfunction" and the high-voltage battery fault came on and the car lost power while on a public road. I could break & steer but that was all. I was on a public road and had to coast down the hill (luckily was able to maintain speed) and there happened to be a parking lot I could coast into when we got to the bottom. I called road side assistance and gave them all the information, had my partner pick me and the kids up, and the car was later towed to my house. The car was at 70% Power and in Earth mode when all of this happened. Other issues that happened during this drive: Key Fob wouldn't work several times – car wouldn't lock or open after multiple attempts to use the lock/unlock button and even holding the fob on the door handle took time for the car to recognize. Usually it is in seconds, it was taking 20+ seconds. Park brake malfunction (flashing) when I was trying to park the car at the parking lot This is a serious safety issue – we were lucky we were able to coast down the road and were in a parking lot but if we had been on the interstate or the curvy 55 mph roads by my house a serious accident could have happened. In addition to the above – I've had several other issues making the car undriveable since I got it. The car only has 353 miles on it because it has been so unreliable to drive and now is completely unsafe to drive. I had the car delivered on December 14, 2023.

NHTSA ODI #11573863

Mileage unknown · Feb 10, 2024
Electrical SystemFuel/propulsion System

I had a complete loss of power the car abruptly stopped in the middle of the fast lane on the freeway 680 in the San Francisco Bay area. Very dangerous situation highway patrol came had to stop the highway. I was able to get the car rolled to the shoulder and then I had to have it towed to my house. Could’ve been a very dangerou…

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I had a complete loss of power the car abruptly stopped in the middle of the fast lane on the freeway 680 in the San Francisco Bay area. Very dangerous situation highway patrol came had to stop the highway. I was able to get the car rolled to the shoulder and then I had to have it towed to my house. Could’ve been a very dangerous situation where crashes could’ve occurred. It stopped the entire five lanes of the highway.

NHTSA ODI #11571163

Mileage unknown · Nov 19, 2023
Back Over PreventionElectrical SystemFuel/propulsion System

I have had Fisker for over a month now and it is not a drivable vehicle at the moment as it poses serious safety issues with numerous parts or functionality showing errors and suddenly not available. I would like these issues to be addressed ASAP within 30 days. There is no service center or service or place available where I ca…

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I have had Fisker for over a month now and it is not a drivable vehicle at the moment as it poses serious safety issues with numerous parts or functionality showing errors and suddenly not available. I would like these issues to be addressed ASAP within 30 days. There is no service center or service or place available where I can take this vehicle to showcase the issues and where the appropriate fixes can be done, which to my mind are non-available. There are many owners on Facebook and other blogs complaining about these issues. Yesterday, I was about to rear-end the vehicle in front due to regenerative braking not working. This vehicle is not fit to be permitted for sale, more so in working condition, creating safety issues. Many safety features stop working in the middle of the drive. If my complaint is not addressed within 7 days, I will be forced to initiate legal action and also informing NTSA about the issues. This vehicle is not safe to drive as the functionality suddenly disappears, the vehicle fails to go into gear, regenerative breaking stops functioning, Lane keeping assist stops functioning, not able to open the vehicle, and most of the time remote or FOB is not working rendering the vehicle inoperable. This vehicle has been delivered to make or sustain the company. The management and the company have no regard for passenger safety and just rushed the vehicle to market. It is not a safe vehicle, with more than 25 issues with its various features, quite a few of them being related to safety. Please contact me for any further deatils.

NHTSA ODI #11555894

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.