AutoCodes – Ford – P1237 2010 Ford Fusion

P1237 2010 Ford Fusion Code - Fuel Pump Secondary Circuit Fault

Quick Answer

Fuel Pump Driver Modules (FPDM) controls the voltage to the Fuel Pump in order to maintain proper fuel pressure over the full operating range of the engine. 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: P1237 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 2,121

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 P1237 2010 Ford Fusion Description

Fuel Pump Driver Modules (FPDM) controls the voltage to the Fuel Pump in order to maintain proper fuel pressure over the full operating range of the engine. The P1237 code indicates the FPDM detected a fuel pump secondary circuit concern. The FPDM sends a message to the Powertrain Control Module (PCM) through the Fuel Pump Monitor (FPM) circuit indicating this concern was detected. The PCM sets the DTC when the message is received.

OBDII Code P1237 2010 Ford Fusion - Fuel Pump Secondary Circuit Fault - AutoCodes.com — P1237 2010 Ford Fusion Code - Fuel Pump Secondary Circuit Fault

What does this mean?

What are the Possible Causes of the DTC P1237 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 P1237 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 P1237 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 P1237 2010 Ford Fusion code?

Need more information on how to fix the P1237 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 P1237 2010 Ford Fusion Code

1. What are the common symptoms of OBDII code P1237 on a 2010 Ford Fusion?

- Common symptoms include engine stalling, hesitation during acceleration, rough idling, and difficulty starting the vehicle.

2. What does the OBDII code P1237 on a 2010 Ford Fusion indicate?

- OBDII code P1237 indicates a Fuel Pump Secondary Circuit Fault in the vehicle.

3. What are the possible causes of OBDII code P1237 on a 2010 Ford Fusion?

- Possible causes include a faulty fuel pump driver module, wiring issues, a defective fuel pump, or a malfunctioning fuel pump relay.

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

- Diagnosing the issue involves checking the fuel pump driver module for power and ground, inspecting the wiring for damage, and testing the fuel pump and relay for proper function.

5. Can a DIY enthusiast repair OBDII code P1237 on a 2010 Ford Fusion?

- While some may attempt to repair this issue themselves, it is recommended to have a professional technician diagnose and repair the Fuel Pump Secondary Circuit Fault to ensure proper resolution.

6. Is it safe to continue driving my 2010 Ford Fusion with OBDII code P1237?

- It is not recommended to drive the vehicle with a Fuel Pump Secondary Circuit Fault, as it can lead to potential engine performance issues and safety concerns.

7. Will resetting the OBDII code P1237 on my 2010 Ford Fusion solve the issue?

- Simply resetting the code may temporarily clear the warning light, but it will not fix the underlying problem causing the Fuel Pump Secondary Circuit Fault.

8. How much does it typically cost to repair OBDII code P1237 on a 2010 Ford Fusion?

- The cost of repairing the Fuel Pump Secondary Circuit Fault can vary depending on the exact cause of the issue and the labor rates in your area. It's best to get a professional diagnosis for an accurate estimate.

9. Can extreme weather conditions affect the occurrence of OBDII code P1237 on a 2010 Ford Fusion?

- Yes, extreme weather conditions such as excessive heat or cold can potentially exacerbate issues related to the fuel pump circuit, leading to the triggering of OBDII code P1237.

10. How often should I check the fuel pump system on my 2010 Ford Fusion to prevent OBDII code P1237 from occurring?

- Regular maintenance checks on the fuel pump system, including inspecting wiring and ensuring proper fuel pump function, can help prevent issues that may trigger OBDII code P1237.