AutoCodes – Ford – P1238 2010 Ford Fusion

P1238 2010 Ford Fusion Code - Fuel Pump Secondary Circuit Fault

Quick Answer

This DTC indicates the fuel pump driver module (FPDM2) detected a fuel pump secondary circuit concern. Common causes include Faulty Fuel Pump Driver Module (FPDM), Fuel Pump Driver Module (FPDM) harness is open or shorted, Fuel Pump Driver Module (FPDM) 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: P1238 2010 Ford Fusion indicates Fuel Pump Secondary Circuit Fault.
Common causes: Common causes include Faulty Fuel Pump Driver Module (FPDM), Fuel Pump Driver Module (FPDM) harness is open or shorted, Fuel Pump Driver Module (FPDM) 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.

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Code Popularity 1,983

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Jul 20, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1238 2010 Ford Fusion Description

This DTC indicates the fuel pump driver module (FPDM2) detected a fuel pump secondary circuit concern. The FPDM2 sends a message to the Powertrain Control Module (PCM) through the fuel pump monitor (FPM2) circuit, indicating this concern was detected. The PCM sets the DTC when the message is received.

OBDII Code P1238 2010 Ford Fusion - Fuel Pump Secondary Circuit Fault - AutoCodes.com — P1238 2010 Ford Fusion Code - Fuel Pump Secondary Circuit Fault

What does this mean?

What are the Possible Causes of the DTC P1238 2010 Ford Fusion?

Faulty Fuel Pump Driver Module (FPDM)
Fuel Pump Driver Module (FPDM) harness is open or shorted
Fuel Pump Driver Module (FPDM) circuit poor electrical connection
Faulty fuel pump

How to Fix the DTC P1238 2010 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.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1238 2010 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.

Need more information about the P1238 2010 Ford Fusion code?

Need more information on how to fix the P1238 2010 Ford Fusion code? Get Access to Factory Service Manuals

Need Help with the Code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1238 2010 Ford Fusion Code

1. What are the common symptoms of OBDII code P1238 in a 2010 Ford Fusion?

The common symptoms include engine stalling, rough idling, difficulty starting the vehicle, and a possible lack of power while driving.

2. What does the OBDII code P1238 on a 2010 Ford Fusion indicate?

OBDII code P1238 signifies a Fuel Pump Secondary Circuit Fault in the vehicle.

3. What are the possible causes of the OBDII code P1238 in a 2010 Ford Fusion?

Possible causes include a faulty fuel pump driver module, damaged wiring or connectors in the fuel pump circuit, or a defective fuel pump.

4. How can I diagnose the Fuel Pump Secondary Circuit Fault in my 2010 Ford Fusion?

Diagnosing this issue involves checking the fuel pump driver module for proper operation, inspecting the wiring and connectors for any damage, and testing the fuel pump itself for functionality.

5. Can I continue driving my 2010 Ford Fusion with the P1238 code?

It is not recommended to continue driving the vehicle with the P1238 code, as it can lead to potential fuel delivery issues and engine performance problems.

6. How can I repair the Fuel Pump Secondary Circuit Fault in my 2010 Ford Fusion?

Repairing the issue involves replacing the faulty fuel pump driver module, repairing any damaged wiring or connectors, or installing a new fuel pump if necessary.

7. Will resetting the OBDII code P1238 in my 2010 Ford Fusion make the issue go away?

Resetting the code may temporarily clear the Check Engine Light, but it will not fix the underlying issue causing the Fuel Pump Secondary Circuit Fault.

8. How much does it cost to repair the Fuel Pump Secondary Circuit Fault in a 2010 Ford Fusion?

The cost of repair can vary depending on the exact cause of the issue, but it typically involves parts and labor expenses for replacing the fuel pump driver module or fuel pump.

9. Can a DIY enthusiast fix the Fuel Pump Secondary Circuit Fault in a 2010 Ford Fusion?

While some experienced DIY enthusiasts may be able to diagnose and repair this issue, it is recommended to consult a professional mechanic due to the complexity of the fuel system.

10. How often does the Fuel Pump Secondary Circuit Fault occur in a 2010 Ford Fusion?

The occurrence of the P1238 code can vary depending on the vehicle's maintenance history and driving conditions, but it is not an extremely common issue in the 2010 Ford Fusion.