P1401 Subaru Code - Fuel Tank Pressure Control System Function Problem
Quick Answer
P1401 Subaru indicates Fuel Tank Pressure Control System Function Problem. Common causes include Faulty fuel tank pressure control solenoid, Fuel tank pressure control solenoid harness is open or shorted, Fuel tank pressure control solenoid circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P1401 Subaru indicates Fuel Tank Pressure Control System Function Problem.
- Common causes
- Common causes include Faulty fuel tank pressure control solenoid, Fuel tank pressure control solenoid harness is open or shorted, Fuel tank pressure control solenoid circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P1401 Subaru Description
What are the Possible Causes of the DTC P1401 Subaru?
- Faulty fuel tank pressure control solenoid
- Fuel tank pressure control solenoid harness is open or shorted
- Fuel tank pressure control solenoid circuit poor electrical connection
How to Fix the DTC P1401 Subaru?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P1401 Subaru code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P1401 Subaru Code
1. What does the OBDII code P1401 mean on a Subaru?
P1401 indicates a problem with the Fuel Tank Pressure Control System, which monitors and maintains proper fuel vapor pressure within the tank.
2. What are the common symptoms of the P1401 code on a Subaru?
Symptoms may include the Check Engine Light turning on, difficulty refueling, fuel odor near the vehicle, or reduced fuel efficiency.
3. What causes the P1401 code to appear on a Subaru?
Common causes include a faulty fuel tank pressure sensor, damaged or clogged EVAP system components, or a leak in the fuel vapor lines.
4. Can a loose gas cap trigger the P1401 code on a Subaru?
Yes, a loose or defective gas cap can cause pressure issues in the fuel system and trigger this code.
5. How do you diagnose the P1401 code on a Subaru?
Diagnose the code by using an OBDII scanner to confirm the fault, inspecting the fuel tank pressure sensor, checking for leaks in the EVAP system, and testing the vent valve and purge valve.
6. How serious is the P1401 code on a Subaru?
While not immediately dangerous, this code can cause emissions issues and may impact fuel efficiency, so it should be addressed promptly.
7. Can you drive with the P1401 code on a Subaru?
You can drive for a short period, but prolonged driving with this code can worsen emissions problems and potentially damage EVAP components.
8. How is the P1401 code fixed on a Subaru?
Repairs may include replacing the fuel tank pressure sensor, repairing or replacing damaged EVAP lines, or replacing a faulty vent or purge valve.
9. How much does it cost to fix the P1401 code on a Subaru?
Repair costs vary but typically range from $100 to $300 for parts and labor, depending on the specific issue and location.
10. Can the P1401 code on a Subaru be cleared without repair?
Clearing the code without fixing the underlying issue may temporarily turn off the Check Engine Light, but the problem will likely return until the fault is resolved.
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