P0326 on HYUNDAI ACCENT — Knock/Combustion Vibration Sensor A Circuit Range/Performance

Q: "What does P0326 mean on a HYUNDAI ACCENT?"

"P0326 indicates: Knock/Combustion Vibration Sensor A Circuit Range/Performance. This is a ignition system code. 3 HYUNDAI ACCENT owners have reported this to NHTSA."

Q: "What are the most common causes of P0326 on HYUNDAI ACCENT?"

"Based on 3 NHTSA reports, the most commonly cited components are: Electronic Stability Control (Esc), Vehicle Speed Control, Electrical System,Engine,Fuel/Propulsion System. These percentages are based on the component field in owner complaints."

Q: "Is P0326 serious on my HYUNDAI ACCENT?"

"Of 3 NHTSA reports for this code on HYUNDAI ACCENT, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic."

Q: "What should I do if my HYUNDAI ACCENT shows P0326?"

"1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare."

What P0326 Means on Your HYUNDAI ACCENT

P0326 is a diagnostic trouble code indicating: Knock/Combustion Vibration Sensor A Circuit Range/Performance. This code relates to the ignition system system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

3 HYUNDAI ACCENT owners have reported this issue to NHTSA across model years 2012-2013. Most reports come from the 2013, 2012 model years.

Real HYUNDAI ACCENT Owner Reports

Source: NHTSA Complaints Database

"While drive about 60 mph the check engine light came on (02/20/2018). i went to get the codes read by a local auto parts store. the codes p050a and p0326 were identified. i have had many issues with the check engine light coming on with the same codes."

— 2012 HYUNDAI ACCENT owner · ELECTRONIC STABILITY CONTROL (ESC) · Filed 02/20/2018

"Once i am driving on the highway the car seems to loose power almost like if the car wants to shut off the rmp goes low then the check engine light has turned on."

— 2013 HYUNDAI ACCENT owner · VEHICLE SPEED CONTROL · Filed 01/12/2019

"As i go up a hill or rapidly accelerate on an incline the check engine light will come on. the problem points to the knock sensor (code p0326) being at fault. this does not happen often but when it does it is disconcerting."

— 2013 HYUNDAI ACCENT owner · ELECTRICAL SYSTEM,ENGINE,FUEL/PROPULSION SYSTEM · Filed 08/19/2018

All reports filed by vehicle owners directly with the U.S. Department of Transportation.

📊 Complaint Trend by Model Year

1

'12

2

'13

Common Causes on HYUNDAI ACCENT

Based on NHTSA complaint component analysis for this vehicle.

ELECTRONIC STABILITY CONTROL (ESC) 33.3%

VEHICLE SPEED CONTROL 33.3%

ELECTRICAL SYSTEM,ENGINE,FUEL/PROPULSION SYSTEM 33.3%

What To Do Next

1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.

Frequently Asked Questions

What does P0326 mean on a HYUNDAI ACCENT? ▾

P0326 indicates: Knock/Combustion Vibration Sensor A Circuit Range/Performance. This is a ignition system code. 3 HYUNDAI ACCENT owners have reported this to NHTSA.

What are the most common causes of P0326 on HYUNDAI ACCENT? ▾

Based on 3 NHTSA reports, the most commonly cited components are: Electronic Stability Control (Esc), Vehicle Speed Control, Electrical System,Engine,Fuel/Propulsion System. These percentages are based on the component field in owner complaints.

Is P0326 serious on my HYUNDAI ACCENT? ▾

Of 3 NHTSA reports for this code on HYUNDAI ACCENT, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my HYUNDAI ACCENT shows P0326? ▾

1) Check for recalls on your VIN at nhtsa.gov/recalls. 2) Get a professional diagnosis — a code alone doesn't identify the exact failed part. 3) Get 2-3 repair estimates to compare.

P0326 on Other Vehicles

→ All codes reported on HYUNDAI ACCENT