AutoCodes – Ford – P1233 2001 Ford F150

P1233 2001 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 2001 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 3,608

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 2001 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 2001 Ford F150 - Fuel Pump Driver Module Disabled Or Off Line - AutoCodes.com — P1233 2001 Ford F150 Code - Fuel Pump Driver Module Disabled Or Off Line

What does this mean?

What are the Possible Causes of the DTC P1233 2001 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 2001 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 2001 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 2001 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 2001 Ford F150 Code

1. What are the common symptoms of OBDII code P1233 in a 2001 Ford F150?

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

2. What does the OBDII code P1233 "Fuel Pump Driver Module Disabled Or Off Line" indicate in a 2001 Ford F150?

- This code indicates a malfunction with the fuel pump driver module, which controls the operation of the fuel pump.

3. What are the possible causes of the P1233 code in a 2001 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 P1233 code in my 2001 Ford F150?

- Diagnosis typically involves checking the wiring and connectors for damage, testing the fuel pump driver module, and ensuring the fuel pump is working properly.

5. Can I still drive my 2001 Ford F150 with the P1233 code present?

- It is not recommended to drive the vehicle with this code present, as it can lead to issues such as stalling and loss of power while driving.

6. How can I repair the P1233 code in my 2001 Ford F150?

- Repairing the P1233 code may involve replacing the fuel pump driver module, repairing any damaged wiring or connectors, and ensuring the fuel pump is functioning correctly.

7. Is it possible to reset the P1233 code in a 2001 Ford F150 without fixing the issue?

- While you can clear the code with an OBDII scanner, it is important to address the underlying issue causing the code to prevent further problems.

8. Can a DIY enthusiast repair the P1233 code in a 2001 Ford F150?

- Depending on your skill level and access to tools, DIY repairs for this code may be possible, particularly if the issue is related to wiring or connectors.

9. How much does it cost to repair the P1233 code in a 2001 Ford F150 at a mechanic?

- The cost of repairing the P1233 code can vary depending on the exact cause of the issue, but it may range from $200 to $500 or more at a mechanic.

10. What should I do if the P1233 code keeps coming back in my 2001 Ford F150 after repairs?

- If the code keeps reappearing after repairs, it may indicate an ongoing issue that needs further diagnosis and attention, possibly requiring professional help.