Below are recalls and complaints reported to NHTSA for the 2026 Porsche Cayenne. This information is consumer-reported and provided for general informational purposes only. Vehicles like this may qualify under California lemon law depending on their individual repair history.
The following recalls were reported to NHTSA. A recall does not by itself establish that any individual vehicle is defective.
Porsche Cars North America, Inc. (Porsche) is recalling certain 2024-2026 Panamera, Cayenne, and 2025 Panamera E-Hybrid vehicles. The fasteners securing the high pressure fuel pump may not be tightened properly, resulting in a fuel leak.
Reported consequence: A fuel leak in the presence of an ignition source increases the risk of a fire.
Remedy: Dealers will inspect and tighten the screw connections and replace the high pressure fuel pump and fuel lines as necessary, free of charge. Owner notification letters were mailed November 19, 2025. Owners may contact Porsche customer service at 1-800-767-7243. Porsche's number for this recall is ASA9. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning October 10, 2025.
The following are consumer-reported complaints filed with NHTSA. These are unverified allegations and are not proof that any defect exists.
1. Driving Conditions & Baseline State I was operating my new 2026 Porsche Cayenne (current mileage approx. 717 miles) at highway speeds inside a tunnel near LAX. The vehicle was functioning normally under normal driving conditions until the incident occurred suddenly and without any prior warning signs. 2. Onset of Failure & Dashboard Alerts - While maintaining speed, the vehicle suffered an immediate, simultaneous electronic and mechanical malfunction. The dashboard abruptly displayed an Adaptive Cruise Control (ACC) error/failure warning, along with auto start/stop failure. Immediately following this alert, the vehicle experienced a severe, sudden loss of mechanical power and propulsion. 3. Vehicle Behavior & Safety Hazard Pressing the accelerator pedal failed to yield normal engine response or acceleration. The drop in power felt as though the vehicle entered an unprompted "limp mode" or suffered a critical powertrain/software communication failure, severely limiting my ability to maintain highway speeds. Because this occurred inside a highway tunnel, the sudden deceleration presented an immediate and extreme safety hazard, nearly causing a rear-end collision with the traffic behind me. I was forced to navigate the underpowered vehicle out of the active lanes of traffic under highly dangerous conditions. After pulling over to a safe area and cycling the ignition (turning the vehicle off and back on), the mechanical power partially/fully returned, suggesting a transient or software-driven electronic control unit (ECU) fault. The historical error codes should be stored in the vehicle's modules. 4. Post-Incident State The vehicle was presented to McKenna Porsche (Norwalk, CA) the following day for diagnosis of the power loss and ACC failure. Safety Implications & Requested Action This component failure constitutes a critical safety defect. A total or partial loss of propulsion at highway speeds poses an unreasonable risk of severe injury or crash.
NHTSA #11742202
On 3 separate occasions while making a left hand turn against traffic, the car has initiated emergency braking and shown the ‘collision warning’ alert on the dashboard. Each time there were no cars approaching and the car halted to a complete stop. The first two instances I had my 10 year old in the car. Tonight I was alone. It is terrifying and I know this is not a rare occurrence with Porsches. An online forum has tons of other Porsche owners saying the same thing and we are being encouraged to file a report with NHTSA.
NHTSA #11736422
The emergency braking system light and the adaptive control cruise control is not working in the warning. Lights are on from Dave that I’ve got it from day one January 2026.
NHTSA #11745194
If your 2026 Porsche Cayenne has had repeated repairs for the same problem, you may have rights under California lemon law. Tell us about it and we will review your situation at no cost and no obligation.
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The recalls and complaints shown here are reported to NHTSA and are consumer-reported, unverified allegations. They do not establish that any defect exists in any individual vehicle, and nothing on this page should be read as asserting that the 2026 Porsche Cayenne is defective. Counts reflect items filed with NHTSA and may not be current. “May qualify” statements are general and do not mean any particular vehicle or owner qualifies.
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