P0240 on HYUNDAI TUCSON — Turbocharger/Supercharger Boost Sensor B Circuit Range/Performance

Q: "What does P0240 mean on a HYUNDAI TUCSON?"

"P0240 indicates: Turbocharger/Supercharger Boost Sensor B Circuit Range/Performance. This is a fuel injection code. 2 HYUNDAI TUCSON owners have reported this to NHTSA."

Q: "What are the most common causes of P0240 on HYUNDAI TUCSON?"

"Based on 2 NHTSA reports, the most commonly cited components are: Engine And Engine Cooling,Engine, Engine. These percentages are based on the component field in owner complaints."

Q: "Is P0240 serious on my HYUNDAI TUCSON?"

"Of 2 NHTSA reports for this code on HYUNDAI TUCSON, 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 TUCSON shows P0240?"

"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 P0240 Means on Your HYUNDAI TUCSON

P0240 is a diagnostic trouble code indicating: Turbocharger/Supercharger Boost Sensor B Circuit Range/Performance. This code relates to the fuel injection system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

2 HYUNDAI TUCSON owners have reported this issue to NHTSA across model years 2017-2019. Most reports come from the 2017, 2019 model years. The most commonly reported component is Engine And Engine Cooling,Engine (50.0% of reports).

Real HYUNDAI TUCSON Owner Reports

Source: NHTSA Complaints Database

"The contact owns a 2017 Hyundai Tucson. The contact stated that while his girlfriend was driving approximately 50 MPH, the engine started knocking, and the vehicle stalled. The contact stated that several unknown warning lights were illuminated."

— 2017 HYUNDAI TUCSON owner · ENGINE AND ENGINE COOLING,ENGINE · Filed 08/14/2024

"I have had to replace the exhaust manifold and catalytic converter twice since owning my car. I have owned my car since 2020 and bought it at 23,000 miles. The car now has 100,000 miles - all highway."

— 2019 HYUNDAI TUCSON owner · ENGINE · Filed 09/26/2024

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

📊 Complaint Trend by Model Year

1

'17

1

'19

Common Causes on HYUNDAI TUCSON

Based on NHTSA complaint component analysis for this vehicle.

ENGINE and ENGINE COOLING,ENGINE 50%

ENGINE 50%

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 P0240 mean on a HYUNDAI TUCSON? ▾

P0240 indicates: Turbocharger/Supercharger Boost Sensor B Circuit Range/Performance. This is a fuel injection code. 2 HYUNDAI TUCSON owners have reported this to NHTSA.

What are the most common causes of P0240 on HYUNDAI TUCSON? ▾

Based on 2 NHTSA reports, the most commonly cited components are: Engine And Engine Cooling,Engine, Engine. These percentages are based on the component field in owner complaints.

Is P0240 serious on my HYUNDAI TUCSON? ▾

Of 2 NHTSA reports for this code on HYUNDAI TUCSON, none involved a crash or fire. However, any diagnostic code should be evaluated by a qualified mechanic.

What should I do if my HYUNDAI TUCSON shows P0240? ▾

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.

P0240 on Other Vehicles

KIA SOUL

3 reports

→ All codes reported on HYUNDAI TUCSON