Easy one-page printout for the garage or repair shop
This summary uses the existing diagnostic information shown in full below.
This code means there's a problem with a part of your car that helps control the flow of exhaust gases. It's like a valve that isn't working right, and it's not getting enough power to do its job.
The P2D14 code indicates that the control circuit for the Exhaust Flow Control Valve C is experiencing low voltage, which means it might not be functioning properly.
The Exhaust Flow Control Valve C is part of the vehicle's emissions system, responsible for regulating the flow of exhaust gases. A 'Control Circuit Low' condition suggests that the electrical circuit controlling this valve is not receiving sufficient voltage, possibly due to a wiring issue or a faulty component.
• Check engine light is on
• Reduced engine performance
• Increased emissions
• Faulty exhaust flow control valve
• Damaged or corroded wiring or connectors
• Faulty control module
Exhaust Flow Control Valve: A component that regulates the flow of exhaust gases in a vehicle.
Control Circuit: The electrical pathway that controls the operation of a component.
• Use an OBD-II scanner to confirm the code
• Inspect wiring and connectors for damage or corrosion
• Test the exhaust flow control valve for proper operation
• Replace or repair damaged wiring or connectors
• Replace the exhaust flow control valve if faulty
• Update or replace the control module if necessary
• OBD-II scanner
• Multimeter
• Basic hand tools
$150 - $500
Moderate
• Vehicle 1
• Vehicle 2
• Vehicle 3
• Regular maintenance checks
• Ensure proper electrical connections
• Keep the exhaust system clean
Sensor Issue
• Have the vehicle inspected by a professional
• Avoid driving with the check engine light on for extended periods
• Regularly check the vehicle's electrical connections
Check with your vehicle manufacturer for specific warranty coverage related to emissions components.
This code has been associated with issues in vehicles with advanced emissions control systems, often due to electrical or component failures.
Moderate – It's important to address this issue to prevent potential damage to the emissions system and ensure the vehicle runs efficiently.
Driving with a malfunctioning exhaust system can increase emissions and may not comply with local environmental regulations.
• Engine running
• Vehicle at operating temperature
The Exhaust Flow Control Valve is typically located near the exhaust manifold or along the exhaust pipe.
Q: Can I drive my car with code P2D14?
A: It's not recommended to drive for extended periods with this code, as it can lead to increased emissions and potential engine performance issues.
Q: How do I reset the check engine light after fixing the issue?
A: You can use an OBD-II scanner to clear the code, or the light may turn off automatically after several driving cycles if the issue is resolved.
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