Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means that the part of the car that controls how much air goes into the engine is not working right. It's like when you blow up a balloon too much, it might pop. The car is trying to stop that from happening.
The wastegate actuator controls the boost pressure produced by the turbocharger or supercharger. A high signal indicates that the actuator is not functioning within the expected range.
The P0246 code is triggered when the Engine Control Module (ECM) detects a higher than expected voltage signal from the wastegate actuator circuit for Turbocharger/Supercharger A. This can indicate an issue with the actuator itself, the wiring, or the ECM.
• Check Engine Light is on
• Reduced engine performance
• Poor acceleration
• Faulty wastegate actuator
• Wiring issues in the wastegate actuator circuit
• Faulty Engine Control Module (ECM)
Turbocharger: A device that increases an engine's efficiency and power output by forcing extra air into the combustion chamber.
Wastegate: A valve that controls the flow of exhaust gases to the turbocharger, regulating boost pressure.
• Use an OBD-II scanner to confirm the code.
• Inspect the wastegate actuator and its wiring for damage.
• Test the actuator for proper operation and voltage levels.
• Replace the wastegate actuator if faulty.
• Repair or replace damaged wiring or connectors.
• Reprogram or replace the ECM if necessary.
• OBD-II scanner
• Multimeter
• Wrench set
$150 - $500
Moderate
• Ford F-150
• Volkswagen Golf
• BMW 3 Series
• Regular maintenance checks
• Ensure proper wiring connections
• Avoid excessive engine loads
Engine Performance
• Do not ignore the Check Engine Light.
• Have the vehicle inspected by a professional.
• Avoid driving at high speeds until repaired.
Check with the vehicle manufacturer for warranty coverage on emissions-related components.
This code has been commonly associated with turbocharged engines and is often seen in vehicles with high mileage or poor maintenance history.
Moderate – It affects engine performance but is not critical if addressed promptly.
Driving with a malfunctioning turbocharger system can lead to increased emissions and reduced fuel efficiency.
• Engine running
• Under load conditions
The wastegate actuator is typically located near the turbocharger, which is often found at the front or side of the engine.
Q: Can I drive with a P0246 code?
A: It's not recommended to drive for long periods with this code as it can lead to reduced performance and fuel efficiency.
Q: How do I reset the P0246 code?
A: After repairs, you can reset the code using an OBD-II scanner. If the issue is fixed, the code should not return.
High-End · Full-system diagnostics
A full-system bidirectional platform aimed at advanced DIY users and professional diagnostic workflows.
Network faults often require full-system access instead of a generic code reader alone.
View on Amazon
Universal · Digital multimeter
A solid entry-level multimeter for voltage, continuity, resistance, and basic electrical troubleshooting.
Helpful for checking voltage drops, grounds, and basic circuit health when modules are not communicating.
View on Amazon
Universal · Wire connectors and repair kit
Useful when diagnosis points toward damaged wiring, corroded terminals, or connector repairs.
Useful if diagnosis points toward damaged connectors, wiring, or terminal repairs.
View on AmazonThese are optional diagnostic tools, not guaranteed fixes. As an Amazon Associate I earn from qualifying purchases.