Top 5 Problems With the 2022 Hyundai Sonata

Owners of the 2022 Hyundai Sonata equipped with the 2.5L GDI engine have reported significant issues with excessive engine oil consumption, often starting at relatively low mileage. This problem can lead to critical engine damage if not regularly monitored and addressed, sometimes resulting in complete engine failure and costly repairs.

Symptoms drivers notice

• Frequent need to add engine oil between scheduled changes
• Engine knocking or ticking noises, especially on startup or under load
• Reduced engine performance or acceleration
• Blue or white smoke from the exhaust pipe
• Illumination of the check engine light or low oil pressure warning light
• Engine stalling or complete seizure

Typical repair cost and time

DIY oil top-offs: $20-$50 per quart. Oil level sensor replacement: $200-$400. Engine inspection/diagnosis: $150-$300. Short block or full engine replacement: $5,000-$10,000+.

How to diagnose and fix

1. Regularly check engine oil level (every 1,000-1,500 miles) and top off as needed.
2. Monitor oil consumption rate to determine severity (e.g., how many quarts per 1,000 miles).
3. Consult a Hyundai dealership for diagnosis, referencing TSB 22-EM-003H regarding oil consumption inspection.
4. A dealer may perform an oil consumption test to confirm the issue and determine eligibility for warranty repair.
5. Depending on diagnosis, repairs could range from piston ring replacement to a full engine replacement, often covered under powertrain warranty if applicable.

The 2022 Hyundai Sonata's SmartSense suite, which includes features like Forward Collision-Avoidance Assist, Lane Keeping Assist, and Smart Cruise Control, has been a source of frustration for many owners. These systems can exhibit erratic behavior, leading to false warnings, unexpected interventions, or complete disengagement, impacting driver confidence and convenience.

Symptoms drivers notice

• False forward collision warnings or emergency braking without an obstacle
• Lane Keeping Assist or Lane Following Assist steering erratically or disengaging
• Smart Cruise Control failing to maintain speed or distance, or disengaging unexpectedly
• Blind-Spot Collision-Avoidance Assist providing warnings without vehicles present
• Various ADAS warning lights illuminating on the dashboard
• System freezing or requiring a restart to function properly

Typical repair cost and time

Software updates: Often free under warranty or as a TSB. ADAS sensor recalibration: $200-$500 per sensor. ADAS sensor replacement (e.g., radar, camera): $500-$1,500+ per component.

How to diagnose and fix

1. Check for any active recalls or Technical Service Bulletins (TSBs) related to ADAS software updates (e.g., TSB 22-01-073H for FCA).
2. Visit a Hyundai dealership for a diagnostic scan to identify specific sensor or module errors.
3. Ensure all ADAS sensors (front radar, windshield camera, side radars) are clean and free from obstructions.
4. Request a software update for the relevant ADAS modules, as many issues are resolved through improved programming.
5. If software updates don't resolve the issue, sensor recalibration or replacement may be necessary, performed by a qualified technician.

Some 2022 Hyundai Sonata owners have reported issues with the vehicle's transmission, including harsh shifts, hesitation during acceleration, or delayed engagement. This can affect both the conventional 8-speed automatic and the 8-speed wet dual-clutch transmission (DCT) found in N Line models, leading to a less smooth driving experience and potential long-term concerns.

Symptoms drivers notice

• Harsh or jerky shifts, particularly in lower gears (1st to 2nd, 2nd to 3rd)
• Hesitation or delay when accelerating from a stop
• Clunking or grinding noises during gear changes
• Transmission slipping or failing to engage gears properly
• Check engine light or transmission warning light illuminated
• Sudden loss of power or inability to shift out of park

Typical repair cost and time

Software update: Often free under warranty. Transmission fluid flush/fill: $200-$400. Valve body replacement: $1,000-$2,500. Transmission replacement: $4,000-$7,000+.

How to diagnose and fix

1. Check for any active TSBs related to transmission performance or software updates (e.g., TSB 23-AT-001H for DCT clutch engagement).
2. Have a diagnostic scan performed to check for transmission-related fault codes (DTCs).
3. Inspect transmission fluid level and condition; low or dirty fluid can cause shifting issues.
4. Request a transmission software reflash or update from a Hyundai dealership.
5. If issues persist, a professional diagnosis of the valve body, solenoids, or clutch packs (for DCT) may be required.
6. In severe cases, internal transmission repair or replacement may be necessary.

Modern vehicles rely heavily on their infotainment systems, and the 2022 Hyundai Sonata is no exception. Owners have experienced glitches such as the touchscreen freezing, system reboots, or connectivity issues with Apple CarPlay and Android Auto, leading to frustration and a diminished user experience.

Symptoms drivers notice

• Infotainment touchscreen becoming unresponsive to touch
• System freezing or crashing, requiring a manual restart
• Apple CarPlay or Android Auto frequently disconnecting or failing to connect
• Navigation system errors or slow response times
• Blank screen or spontaneous reboots of the entire system
• Audio cutting out or volume controls becoming unresponsive

Typical repair cost and time

Software update: Free (DIY via USB or dealer). Head unit reset: Free (DIY). Head unit replacement: $800-$2,500+.

How to diagnose and fix

1. Perform a soft reset of the infotainment system (often by holding down the power button for 10-15 seconds).
2. Check for available over-the-air (OTA) or USB-based software updates for the infotainment system.
3. Ensure your smartphone's operating system is up-to-date and try a different USB cable for CarPlay/Android Auto.
4. If issues persist, visit a Hyundai dealership for a diagnostic check and potential firmware update.
5. In rare cases, the entire head unit may need to be replaced if internal components are faulty.

While not as severe as engine or transmission issues, some 2022 Hyundai Sonata owners have reported experiencing premature brake noise, such as squealing or grinding, and faster-than-expected wear of brake pads and rotors. This can occur at relatively low mileage, leading to earlier-than-anticipated maintenance costs and an annoying driving experience.

Symptoms drivers notice

• Loud squealing or grinding noises when applying the brakes
• Excessive brake dust accumulating on wheels
• Vibration or pulsation felt in the brake pedal during braking
• Noticeable reduction in braking performance
• Visible grooves or uneven wear on brake rotors
• Brake pads wearing down quickly, requiring early replacement

Typical repair cost and time

Brake pad replacement (per axle): $150-$300 (DIY parts), $300-$600 (shop). Rotor replacement (per axle): $200-$400 (DIY parts), $400-$800 (shop).

How to diagnose and fix

1. Visually inspect brake pads and rotors for wear, scoring, or uneven surfaces.
2. Listen for specific noises to pinpoint the source (e.g., squealing often indicates pad wear indicators, grinding suggests metal-on-metal).
3. Check brake calipers for proper function, ensuring they are not seized and pins are lubricated.
4. Consider upgrading to higher-quality aftermarket brake pads and rotors designed for better durability and noise reduction.
5. Have a professional inspect the entire brake system for any underlying issues, such as a faulty caliper or master cylinder.

Which problem to fix first

Addressing engine-related problems, such as excessive oil consumption or knocking, should always be the top priority. These issues can lead to catastrophic engine failure if neglected, posing significant safety risks and repair costs. Following that, any severe transmission irregularities that affect drivability or safety should be investigated. While ADAS malfunctions and infotainment glitches are frustrating, they generally do not present the same immediate risk as powertrain issues.

When to see a professional

DIY repairs should cease when diagnostics require specialized tools, deep system knowledge, or when safety-critical components like the engine, transmission, or ADAS sensors are involved. Any persistent check engine light, unusual engine noises, significant fluid leaks, or erratic ADAS behavior warrants a visit to a certified Hyundai technician. Attempting complex repairs without proper training can lead to further damage or compromise vehicle safety systems.

Frequently asked questions

### Is the 2022 Hyundai Sonata a reliable car?

While the 2022 Hyundai Sonata offers many features and a comfortable ride, it has some notable reliability concerns, particularly with its 2.5L GDI engine's oil consumption and potential for failure. Owners also report issues with its advanced driver-assistance systems and transmission. It's advisable to research specific trim levels and engine options, and consider an extended warranty.

### What causes the 2022 Sonata's 2.5L engine to consume excessive oil?

The excessive oil consumption in the 2.5L GDI engine is often attributed to issues with piston rings or cylinder bore tolerances, which can allow oil to bypass the rings and burn in the combustion chamber. Hyundai has issued Technical Service Bulletins (TSBs) related to this, indicating it's a known manufacturing or design characteristic that can lead to premature engine wear and potential failure.

### Can ADAS malfunctions in the 2022 Sonata be fixed with software updates?

Many of the reported malfunctions with the 2022 Sonata's Advanced Driver-Assistance Systems (ADAS), such as false warnings or erratic behavior, can often be resolved through software updates. Hyundai has released numerous TSBs for various SmartSense features to improve their logic and performance. However, in some cases, sensor calibration or replacement may be necessary if a physical component is faulty.

Sources and further reading

Owner forums, NHTSA complaints, and OEM TSB summaries informed this guide.

This guide is not a substitute for OEM service procedures; use a qualified technician for safety-critical work.