P0231 2012 Ford Fusion Code - Fuel Pump Secondary Circuit Low
Quick Answer
The Powertrain Control Module (PCM) monitors the Fuel Pump Monitor (FPM) circuit. Common causes include Blown Fuel Pump fuse, Open Fuel Pump Monitor Circuit, Faulty Fuel Pump Relay. 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
- P0231 2012 Ford Fusion indicates Fuel Pump Secondary Circuit Low.
- Common causes
- Common causes include Blown Fuel Pump fuse, Open Fuel Pump Monitor Circuit, Faulty Fuel Pump Relay.
- 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 P0231 2012 Ford Fusion Description
What are the Possible Causes of the DTC P0231 2012 Ford Fusion?
- Blown Fuel Pump fuse
- Open Fuel Pump Monitor Circuit
- Faulty Fuel Pump Relay
- Damaged Engine Control Module (ECM)
How to Fix the DTC P0231 2012 Ford Fusion?
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.
Code Tech Notes
1. Disconnect the inertia switch harness connector
2. Turn key to ON position (Engine OFF)
3. Measure voltage of circuit between inertia switch harness connector and ground
4. If battery voltage is found, replaced Inertia Switch
5. Clear codes.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0231 2012 Ford Fusion 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 P0231 2012 Ford Fusion Code
1. What are the common symptoms of OBDII code P0231 on a 2012 Ford Fusion?
The common symptoms of OBDII code P0231 "Fuel Pump Secondary Circuit Low" on a 2012 Ford Fusion include difficulty starting the vehicle, engine stalling, and a lack of power while driving.
2. What are the possible causes of OBDII code P0231 on a 2012 Ford Fusion?
The possible causes of OBDII code P0231 on a 2012 Ford Fusion include a faulty fuel pump, issues with the fuel pump relay, damaged wiring or connectors in the fuel pump circuit, or a problem with the powertrain control module (PCM).
3. How can I diagnose the OBDII code P0231 on my 2012 Ford Fusion?
To diagnose OBDII code P0231 on a 2012 Ford Fusion, you can use an OBDII scanner to read the code and check the fuel pump relay, wiring, and connectors for any visible damage. You may also need to test the fuel pump's operation and the PCM's functionality.
4. Can I still drive my 2012 Ford Fusion with OBDII code P0231?
It is not recommended to drive your 2012 Ford Fusion with OBDII code P0231, as it can lead to engine stalling and other potential safety hazards. It is best to address the issue promptly to prevent further damage.
5. How do I repair OBDII code P0231 on my 2012 Ford Fusion?
To repair OBDII code P0231 "Fuel Pump Secondary Circuit Low" on a 2012 Ford Fusion, you may need to replace the fuel pump, repair any damaged wiring or connectors, replace the fuel pump relay, or reprogram the PCM if necessary.
6. Is it safe to reset the OBDII code P0231 on my 2012 Ford Fusion using an OBDII scanner?
While you can reset the OBDII code P0231 using an OBDII scanner, it is important to address the underlying issue causing the code to prevent it from reoccurring. Resetting the code without proper diagnosis and repair may lead to ongoing problems.
7. Can a DIY enthusiast fix OBDII code P0231 on a 2012 Ford Fusion?
Depending on your skill level and familiarity with automotive repairs, a DIY enthusiast may be able to fix OBDII code P0231 on a 2012 Ford Fusion by following repair guides and using the necessary tools. However, complex issues like a faulty fuel pump may require professional assistance.
8. How much does it cost to repair OBDII code P0231 on a 2012 Ford Fusion?
The cost to repair OBDII code P0231 on a 2012 Ford Fusion can vary depending on the underlying issue causing the code. Repairs may range from replacing a fuel pump relay (around $50-$100) to replacing the fuel pump itself (upwards of $300 or more).
9. Will OBDII code P0231 on a 2012 Ford Fusion affect fuel efficiency?
OBDII code P0231 "Fuel Pump Secondary Circuit Low" on a 2012 Ford Fusion can potentially affect fuel efficiency if the fuel pump is not functioning properly. It is important to address the issue promptly to maintain optimal fuel economy.
10. Is OBDII code P0231 a common issue in 2012 Ford Fusion vehicles?
While OBDII code P0231 "Fuel Pump Secondary Circuit Low" may not be extremely common in 2012 Ford Fusion vehicles, it can still occur due to various factors such as wear and tear on components or electrical issues.
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