Owners have reported 3 injuries to NHTSA for the 2023 Chevrolet Suburban. These are unverified owner reports, not confirmed defect rates.
Owner complaints40
ENGINE
Owners of the 2023 Chevrolet Suburban frequently report engine-related issues, particularly with lifter failure in the 5.3L V8 engine, often leading to misfires and unusual noises. Complaints also mention sudden loss of power and complete engine shutdowns, sometimes without warning, which occur at varying mileages, including as early as 20,000 miles. Several owners describe incidents where the vehicle stalled or lost power while driving, posing safety risks such as being stranded on highways or in traffic. Additionally, issues with the cooling system, like coolant leaks and control valve failures, are noted, often accompanied by reduced engine power and persistent odors. These patterns suggest potential reliability concerns for prospective buyers, especially regarding engine durability and safety.
Owner complaints9
ELECTRICAL SYSTEM
Owners of the 2023 Chevrolet Suburban frequently report issues with the vehicle's electrical system, particularly involving battery failures and keyless entry/ignition problems. Complaints often describe batteries dying multiple times despite no apparent cause, with some owners noting the issue persists even after attempted software updates. There are also reports of the vehicle intermittently failing to recognize key fobs, resulting in an inability to start. Additional symptoms include unexpected stalling, loss of electrical power to the instrument panel, and sudden shutdowns while driving, sometimes at highway speeds. These problems are noted to occur in vehicles with as few as 2,000 miles. Safety implications are evident, as some incidents involve loss of control features and essential systems like headlights and wipers failing during adverse conditions, posing risks during operation.
Owner complaints9
POWER TRAIN
Owners of the 2023 Chevrolet Suburban frequently report issues related to the power train, particularly involving transmission and engine failures. Common symptoms include sudden loss of propulsion, engine shut-offs without warning, and transmission malfunctions indicated by error codes such as P0747 and P176C. These issues often occur at highway speeds, posing safety risks such as loss of control and near-collisions. Complaints typically emerge around 36,000 to 69,000 miles, with some owners noting significant delays in obtaining replacement parts. Potential buyers should be aware of these patterns, as they may impact the vehicle's reliability and safety.
Owner complaints7
UNKNOWN OR OTHER
Owners of the 2023 Chevrolet Suburban frequently report issues with power loss and engine shutdowns, particularly when making turns, with no diagnostic codes provided, and some mention the problem persists despite a battery replacement. Additionally, multiple owners describe failures with the OnStar telematics system and a coolant control valve, with the latter causing overheating and power loss. Complaints also highlight a serious safety concern related to a recall for potential defects in the crankshaft or connecting rods, with no fix currently available, and some vehicles experiencing engine seizure or transmission issues. Mileage at the time of these issues varies, with one owner noting problems at 53,000 miles. Safety implications include potential for sudden engine failure and loss of vehicle control, which could pose risks during highway driving or towing.
Owner complaints4
ENGINE AND ENGINE COOLING
Owners of the 2023 Chevrolet Suburban frequently report issues related to the engine and engine cooling system. A common problem is the failure of the coolant control valve, which is identified by the illumination of the check engine light, occurring at approximately 134,943 miles. Additionally, multiple owners mention an abnormal engine sound, though no warning lights accompany this issue. Several complaints highlight delays in the availability of parts for a recall repair related to the engine and engine cooling system, with owners expressing dissatisfaction over the extended wait times. No crashes, fires, or loss of control are reported in these complaints.
Owner complaints3
STRUCTURE
Owners of the 2023 Chevrolet Suburban report issues primarily related to the vehicle's structure, with a focus on slippery OEM running boards and fuel tank strap failures. Multiple owners describe the running boards as becoming slippery when wet, leading to slips and injuries, including bruises and a broken interior panel. Another complaint highlights a serious safety concern where the front fuel tank strap detached, causing the tank to drag on the road, which could potentially lead to fire or explosion hazards. Additionally, one owner notes paint bubbling observed since purchasing the vehicle new. These issues occur at various timelines, with the running board incidents reported since ownership and the paint defect noticed immediately upon purchase.
Severity signals: 0 crash, 0 fire, 2 injury reports
Owner complaints3
SERVICE BRAKES
Owners of the 2023 Chevrolet Suburban report issues with the service brakes, primarily involving brake failure alerts and loss of brake control. Symptoms include the inability to stop the vehicle immediately and unexpected acceleration when the brake pedal is depressed. Some owners also mention related electronic issues, such as the vehicle not shifting out of park and multiple warning lights activating, including the ABS and park brake lights. These issues have been reported at low mileages, around 3,000 miles, and can have serious safety implications, including the potential for loss of control. Buyers considering a used model should be aware of these recurring brake-related problems and the associated electronic malfunctions.
Owner complaints2
SEAT BELTS
Owners of the 2023 Chevrolet Suburban report issues with seat belts, specifically missing components and malfunctioning locking mechanisms. One complaint details the absence of a required seatbelt in the third row, discovered only after the warranty period, while another describes a second-row center seatbelt that locks excessively and cannot be released, leading to entrapment and requiring the belt to be cut. These issues are identified shortly after purchase, with no specific mileage range mentioned. Both scenarios present safety risks, including potential injury from missing or malfunctioning seatbelts, which could be crucial for buyers to consider, especially those with families.
Severity signals: 0 crash, 0 fire, 1 injury reports
Owner complaints2
STEERING
Owners of the 2023 Chevrolet Suburban report issues with the steering system, primarily involving electronic stability control (ESC) errors and power steering failure. Complaints frequently mention the display of error messages related to the ESC and brake pads, accompanied by wheel locking. Another reported issue involves the failure of the power steering system, with one owner noting a dashboard warning and a diagnosis of a faulty rack and pinion. This problem resulted in a prolonged repair attempt without resolution. Both issues are described as compromising vehicle control, with potential safety implications due to the risk of losing steering capability. These complaints are noted in new vehicles, suggesting early-onset problems.
