{"meta":{"dataset":"known-issues","title":"Wrench.Pro Known Issues clusters — INEOS","level":"make","generated":"2026-09-20","source_freshness":"2026-09-20","source":"NHTSA Office of Defects Investigation complaints, grouped by failure theme by Wrench.Pro","source_url":"https://www.nhtsa.gov/recalls","license":"CC BY 4.0 (derived data); underlying NHTSA records are US public domain","license_url":"https://www.wrench.pro/data/license","citation":"Wrench.Pro (2026). Known Issues clusters — INEOS [dataset]. https://www.wrench.pro/data/known-issues","schema_url":"https://www.wrench.pro/data/known-issues#schema","method_url":"https://www.wrench.pro/data/methodology#known-issues","fields":["year","make","make_slug","model","model_slug","cluster_id","label","component_code","complaint_count","date_range","source_complaint_count","reviewed_at","quote_1_odi","quote_1_text","quote_2_odi","quote_2_text","quote_3_odi","quote_3_text","vehicle_page","data_page"]},"rows":[{"year":2024,"make":"INEOS","make_slug":"ineos","model":"Grenadier","model_slug":"grenadier","cluster_id":"grenadier-2024-hvac-excessive-heat","label":"HVAC system blowing excessively hot air","component_code":"ELECTRICAL SYSTEM","complaint_count":5,"date_range":"2025-06 → 2026-05","source_complaint_count":22,"reviewed_at":"2026-08-20","quote_1_odi":"11671395","quote_1_text":"There appears to be some electrical malfunction that causes the air conditioning to produce exceptionally hot air. It can only end when the air conditioning system is turned all the way off","quote_2_odi":"11666766","quote_2_text":"When operating the HVAC system on Air Conditioning, the system will direct heat from the engine bay without any temperature management resulting in hot engine air being sent through the HVAC system and out to the vents","quote_3_odi":"11689392","quote_3_text":"The contact stated that while driving at an undisclosed speed, the A/C was activated; however, there was extremely hot air blowing out of the vents","vehicle_page":"https://www.wrench.pro/vehicles/2024/ineos/grenadier","data_page":"https://www.wrench.pro/data/known-issues/ineos"},{"year":2024,"make":"INEOS","make_slug":"ineos","model":"Grenadier","model_slug":"grenadier","cluster_id":"grenadier-2024-door-latch-opens-driving","label":"Door handle button sticks and door swings open while driving","component_code":"STRUCTURE","complaint_count":4,"date_range":"2024-06 → 2025-02","source_complaint_count":22,"reviewed_at":"2026-08-20","quote_1_odi":"11638036","quote_1_text":"Vehicle doors are swinging open while driving with no warning. Door does not then latch close. This has happened with multiple doors at various times","quote_2_odi":"11642775","quote_2_text":"The exterior door handle button on all 4 passenger doors becomes stuck and prevents the door latch from functioning properly when the door is closing as it fails to latch to the receiver mechanism on the door frame","quote_3_odi":"11592085","quote_3_text":"The rear door handles of the vehicle get stuck in the open position and do not always latch. When driving the vehicle the doors then swing open. Clearly this is a tremendous safety hazard","vehicle_page":"https://www.wrench.pro/vehicles/2024/ineos/grenadier","data_page":"https://www.wrench.pro/data/known-issues/ineos"},{"year":2024,"make":"INEOS","make_slug":"ineos","model":"Grenadier","model_slug":"grenadier","cluster_id":"grenadier-2024-brake-fluid-line-loss","label":"Brake fluid loss and brake line damage","component_code":"SERVICE BRAKES","complaint_count":3,"date_range":"2024-08 → 2025-07","source_complaint_count":22,"reviewed_at":"2026-08-20","quote_1_odi":"11629231","quote_1_text":"The brake warning light came on as the vehicle was failing","quote_2_odi":"11611042","quote_2_text":"In vehicles like mine, which are fitted with the auxiliary battery, the battery can burp acid through a breather tube. this tube is located in a place where the acid will be discharged onto the brake lines","quote_3_odi":"11675570","quote_3_text":"The contact stated that while taking his children to daycare and driving 35 MPH, several unknown warning lights illuminated. The contact stated that the vehicle was hesitating while driving","vehicle_page":"https://www.wrench.pro/vehicles/2024/ineos/grenadier","data_page":"https://www.wrench.pro/data/known-issues/ineos"},{"year":2024,"make":"INEOS","make_slug":"ineos","model":"Grenadier","model_slug":"grenadier","cluster_id":"grenadier-2024-tow-brake-controller-wiring","label":"Tow package wiring incompatible with brake controller","component_code":"ELECTRICAL SYSTEM, SERVICE BRAKES","complaint_count":2,"date_range":"2024-07 → 2026-03","source_complaint_count":22,"reviewed_at":"2026-08-20","quote_1_odi":"11724140","quote_1_text":"While the Grenadier does not offer an Electric Brake Controller as an an option, they do market the vehicle as being pre-wired to accept aftermarket controller thereby allowing the vehicle to pull the maximum tow weight of 7600 pounds","quote_2_odi":"11602831","quote_2_text":"After numerous attempts, the dealership is unable to have the installed recommended break Controller (Redarc) successfully send a break signal to the towing wiring harness, meaning that I cannot tow vehicles safely in line with the vehicle's advertized specifications","quote_3_odi":"","quote_3_text":"","vehicle_page":"https://www.wrench.pro/vehicles/2024/ineos/grenadier","data_page":"https://www.wrench.pro/data/known-issues/ineos"},{"year":2024,"make":"INEOS","make_slug":"ineos","model":"Grenadier","model_slug":"grenadier","cluster_id":"grenadier-2024-highway-steering-control","label":"Loss of steering control at highway speed","component_code":"STEERING","complaint_count":2,"date_range":"2024-01 → 2026-05","source_complaint_count":22,"reviewed_at":"2026-08-20","quote_1_odi":"11566813","quote_1_text":"Driving at highway speeds--55-65 mph--the vehicle is all over the road. I am very concerned that there is a problem with the steering engineering making this vehicle dangerous on highways (as opposed to off-road)","quote_2_odi":"11737172","quote_2_text":"While driving my Ineos Grenadier in the middle of the Arizona desert, the steering suddenly became difficult to control due to a tie rod nut coming loose. The vehicle began wandering and required constant correction to maintain control","quote_3_odi":"","quote_3_text":"","vehicle_page":"https://www.wrench.pro/vehicles/2024/ineos/grenadier","data_page":"https://www.wrench.pro/data/known-issues/ineos"},{"year":2024,"make":"INEOS","make_slug":"ineos","model":"Grenadier","model_slug":"grenadier","cluster_id":"grenadier-2024-windshield-stress-cracks","label":"Windshield cracking without impact","component_code":"VISIBILITY/WIPER","complaint_count":2,"date_range":"2025-02 → 2026-02","source_complaint_count":22,"reviewed_at":"2026-08-20","quote_1_odi":"11720781","quote_1_text":"Windsheild experienced a thermal crack that followed the length of the windscreen defrost vent. The crack began at each end of the vent traveled up about 2 inches and went horizontally across to the other end of the vent","quote_2_odi":"11641077","quote_2_text":"On [XXX], while driving at a slow speed and not in the vicinity of other vehicles, I heard a sudden cracking noise and noticed a crack had appeared on my windshield","quote_3_odi":"","quote_3_text":"","vehicle_page":"https://www.wrench.pro/vehicles/2024/ineos/grenadier","data_page":"https://www.wrench.pro/data/known-issues/ineos"}]}