AutoCodes – Ford – P1235 2008 Ford Fusion

P1235 2008 Ford Fusion Code - Fuel Pump Control Out of Range

Quick Answer

The P1235 code indicates the Fuel Pump Drive Module (FPDM) detected an invalid or missing Fuel Pump (FP) circuit signal from the Powertrain Control Module (PCM). Common causes include Faulty Fuel Pump Drive Module (FPDM), Electronic throttle control (ETC) system concern, FPDM harness is open or shorted. 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
P1235 2008 Ford Fusion indicates Fuel Pump Control Out of Range.
Common causes
Common causes include Faulty Fuel Pump Drive Module (FPDM), Electronic throttle control (ETC) system concern, FPDM harness is open or shorted.
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 2,221
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jul 20, 2019
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Code P1235 2008 Ford Fusion Description

The P1235 code indicates the Fuel Pump Drive Module (FPDM) detected an invalid or missing Fuel Pump (FP) circuit signal from the Powertrain Control Module (PCM). The FPDM sends a message to the PCM through the FPM circuit, indicating this failure was detected. The PCM sets the DTC when the message is received.
OBDII Code P1235 2008 Ford Fusion - Fuel Pump Control Out of Range - AutoCodes.com
P1235 2008 Ford Fusion Code - Fuel Pump Control Out of Range

What are the Possible Causes of the DTC P1235 2008 Ford Fusion?

  • Faulty Fuel Pump Drive Module (FPDM)
  • Electronic throttle control (ETC) system concern
  • FPDM harness is open or shorted
  • FPDM circuit poor electrical connection
  • Faulty Powertrain Control Module (PCM)

How to Fix the DTC P1235 2008 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 P1235 2008 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 P1235 2008 Ford Fusion code?

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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 P1235 2008 Ford Fusion Code

1. What does OBDII code P1235 mean on a 2008 Ford Fusion?

Code P1235 indicates that the Fuel Pump Driver Module (FPDM) has detected a fuel pump control circuit signal that is out of its expected range.

2. What are the common symptoms of P1235 in a 2008 Ford Fusion?

Symptoms may include engine stalling, difficulty starting, poor acceleration, reduced fuel efficiency, or the vehicle not starting at all.

3. What causes the P1235 code to appear in a Ford Fusion?

Common causes include a faulty Fuel Pump Driver Module (FPDM), wiring issues such as short circuits or damaged connectors, or a failing fuel pump.

4. Can a clogged fuel filter cause the P1235 code?

No, a clogged fuel filter typically does not cause this code. However, it can contribute to related fuel delivery issues.

5. How do you diagnose a P1235 code in a 2008 Ford Fusion?

Diagnosis involves checking the FPDM for faults, inspecting the wiring and connections in the fuel pump circuit, and testing the fuel pump for proper operation.

6. Is it safe to drive with a P1235 code on a 2008 Ford Fusion?

It is not recommended to drive with this code, as it can lead to stalling or other unsafe driving conditions due to fuel delivery problems.

7. Can a faulty fuel pump cause a P1235 code?

Yes, a failing or faulty fuel pump can trigger this code if it does not respond properly to commands from the Fuel Pump Driver Module.

8. How do you fix the P1235 code on a 2008 Ford Fusion?

Repairs may include replacing the Fuel Pump Driver Module, fixing damaged wiring or connectors, or replacing the fuel pump if it is defective.

9. What tools are needed to troubleshoot the P1235 code?

You will need an OBDII scanner, a multimeter for checking voltage and continuity, and possibly a fuel pressure gauge.

10. What is the Fuel Pump Driver Module, and why is it important?

The FPDM controls the operation of the fuel pump based on engine demands. If it malfunctions, it can disrupt fuel delivery and trigger a P1235 code.

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