P0240 on Kia Soul
Turbocharger/Supercharger Boost Sensor B Circuit Range/Performance
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Kia Soul context without treating complaints as confirmed diagnoses.
Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).
- SAE J2012 Diagnostic Trouble Code Definitions — Generic diagnostic trouble code definition reference for P0240.
- NHTSA recalls, complaints, and manufacturer communications — Used to check public owner complaint context, recall status, and safety-related manufacturer communications by VIN or vehicle.
Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.
What P0240 Means on Your Kia Soul
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.
Real Kia Soul Owner Reports
Source: NHTSA Complaints Database
"Tl* the contact owns a 2012 kia soul. while driving approximately 40 mph, the check engine warning indicator illuminated and the vehicle started to sputter. the vehicle did not stall and was taken to an independent mechanic."
"In mid January 2022 I purchased from Baba's Autos in Houston 2013 Kia 5 speed 4cyl [XXX] vin. I immediately saw was using oil like 1gal per month. I took to Elite Auto in Feb2022 and they say engine recall on this as piston rings shot why oil blow-by."
"The contact owns a 2016 Kia Soul. The contact stated that while driving 55 MPH, the vehicle shut off after the engine became hot. The engine and oil lights were illuminated. The vehicle failed to restart."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on Kia Soul
Based on NHTSA complaint component analysis for this vehicle.
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
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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.
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3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.