P1641 Ford Code - Fuel Pump Driver Module Fault Conditions
Quick Answer
The P1641 Ford code indicates a fault condition with the Fuel Pump Driver Module (FPDM) in the vehicle. Common causes include Electrical issues within the FPDM circuitry, Corrosion or damage to the FPDM module, Poor connections or wiring problems. 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
- P1641 Ford indicates Fuel Pump Driver Module Fault Conditions.
- Common causes
- Common causes include Electrical issues within the FPDM circuitry, Corrosion or damage to the FPDM module, Poor connections or wiring problems.
- 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.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
Code P1641 Ford Description
The P1641 Ford code indicates a fault condition with the Fuel Pump Driver Module (FPDM) in the vehicle. The FPDM is a crucial component that controls the operation of the fuel pump, ensuring that the correct amount of fuel is delivered to the engine at all times. When this module experiences issues, it can lead to a variety of performance problems and potentially cause long-term damage if left unaddressed.
Common Causes of P1641 Ford
- Electrical issues within the FPDM circuitry
- Corrosion or damage to the FPDM module
- Poor connections or wiring problems
- ECM communication issues with the FPDM
- Excessive heat exposure leading to module failure
Symptoms of P1641 Ford
- Engine hesitation or stumbling during acceleration
- Rough idling or stalling
- Difficulty starting the engine
- Reduced fuel efficiency
- Check engine light illuminated on the dashboard
How to Fix P1641 Ford
- Diagnose the issue using a scan tool to retrieve the fault code and perform a thorough inspection of the FPDM and related components.
- Check for loose or damaged wiring connections and repair or replace as necessary.
- Test the FPDM for proper functionality using a multimeter to ensure it is sending the correct signals to the fuel pump.
- If the FPDM is found to be faulty, replace it with a new unit and reprogram it to communicate with the ECM effectively.
- Clear the fault code from the vehicle's memory and test drive to verify that the issue has been resolved.
Cost to Fix P1641 Ford
The typical repair costs for a Fuel Pump Driver Module fault condition can range from $200 to $500, including parts and labor. However, it's important to note that specific diagnosis time and labor rates at auto repair shops can vary significantly based on factors such as location, vehicle make and model, and engine type. Most auto repair shops charge between $80 and $150 per hour for labor, but rates may be higher in metropolitan areas or at dealerships, while independent shops may offer lower rates. For a more accurate estimate, it's recommended to inquire with local repair shops.
Need more information about the P1641 Ford code?
Need more information on how to fix the P1641 Ford code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P1641 Ford code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P1641 Ford Code
No Frequently Asked Questions about P1641 Ford Code found.
Discuss the causes and fixes for P1641 Ford OBDII Code
Code P1641 Ford comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.