AutoCodes – Ford – P1233 2002 Ford F150

P1233 2002 Ford F150 Code - Fuel Pump Driver Module Disabled Or Off Line

Quick Answer

The Powertrain Control Module (PCM) monitors the Fuel Pump Monitor (FPM) circuit from the Fuel Pump Driver Module (FPDM). Common causes include Inertia fuel shutoff (IFS) switch needs to be reset, Faulty Fuel Pump Driver Module (FPDM), Fuel Pump Driver Module (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: P1233 2002 Ford F150 indicates Fuel Pump Driver Module Disabled Or Off Line .
Common causes: Common causes include Inertia fuel shutoff (IFS) switch needs to be reset, Faulty Fuel Pump Driver Module (FPDM), Fuel Pump Driver Module (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 5,380

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
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P1233 2002 Ford F150 Description

The Powertrain Control Module (PCM) monitors the Fuel Pump Monitor (FPM) circuit from the Fuel Pump Driver Module (FPDM). With the key on, the FPDM continuously sends a duty cycle signal to the PCM through the FPM circuit. The test fails if the PCM stops receiving the duty cycle signal.

OBDII Code P1233 2002 Ford F150 - Fuel Pump Driver Module Disabled Or Off Line - AutoCodes.com — P1233 2002 Ford F150 Code - Fuel Pump Driver Module Disabled Or Off Line

What does this mean?

What are the Possible Causes of the DTC P1233 2002 Ford F150?

Inertia fuel shutoff (IFS) switch needs to be reset
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 Inertia Fuel Shutoff (IFS) switch
Faulty Powertrain Control Module (PCM)

How to Fix the DTC P1233 2002 Ford F150?

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 does this mean?

Code Tech Notes

For some FORD models:
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 P1233 2002 Ford F150 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 P1233 2002 Ford F150 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 P1233 2002 Ford F150 Code

1. What are the common symptoms of the OBDII code P1233 on a 2002 Ford F150?

- Common symptoms include engine stalling, rough idling, loss of power while driving, and difficulty starting the vehicle.

2. What does the OBDII code P1233 indicate in a 2002 Ford F150?

- The code P1233 indicates that the Fuel Pump Driver Module is disabled or offline, causing issues with the fuel delivery system.

3. What are the possible causes of the Fuel Pump Driver Module being disabled in a 2002 Ford F150?

- Possible causes include a faulty fuel pump driver module, damaged wiring or connectors, a blown fuse, or issues with the fuel pump itself.

4. How can I diagnose the underlying issue causing the OBDII code P1233 on my 2002 Ford F150?

- Diagnose the issue by checking the fuel pump driver module for power and ground, inspecting the wiring and connectors for damage, and testing the fuel pump for proper function.

5. Can I still drive my 2002 Ford F150 with the OBDII code P1233?

- It is not recommended to drive the vehicle with the code P1233, as it can lead to potential engine stalling and other safety hazards.

6. How can I repair the Fuel Pump Driver Module issue on my 2002 Ford F150?

- Repair options include replacing the fuel pump driver module, repairing or replacing damaged wiring, checking and replacing fuses if necessary, and ensuring the fuel pump is functioning correctly.

7. Are there any DIY tips for fixing the OBDII code P1233 on a 2002 Ford F150?

- While some may attempt to fix the issue themselves, it is recommended to seek professional help due to the complexity of the fuel delivery system and potential safety risks.

8. How much does it cost to repair the Fuel Pump Driver Module issue on a 2002 Ford F150?

- The cost of repair can vary depending on the extent of the issue, with potential costs including parts and labor ranging from $200 to $800 or more.

9. Can resetting the OBDII code P1233 on a 2002 Ford F150 make it go away permanently?

- Resetting the code may temporarily clear the error, but if the underlying issue with the Fuel Pump Driver Module is not addressed, the code is likely to reappear.

10. Is the OBDII code P1233 a common issue in 2002 Ford F150 vehicles?

- The code P1233 related to the Fuel Pump Driver Module issue is known to occur in 2002 Ford F150 trucks, especially as they age and components wear out.