AutoCodes – Ford – P1236 2002 Ford F150

P1236 2002 Ford F150 Code - Fuel Pump Control Out Of Range

Quick Answer

The P1236 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), FPDM harness is open or shorted, 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: P1236 2002 Ford F150 indicates Fuel Pump Control Out Of Range .
Common causes: Common causes include Faulty Fuel Pump Drive Module (FPDM), FPDM harness is open or shorted, 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 2,275

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 P1236 2002 Ford F150 Description

The P1236 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 P1236 2002 Ford F150 - Fuel Pump Control Out Of Range - AutoCodes.com — P1236 2002 Ford F150 Code - Fuel Pump Control Out Of Range

What does this mean?

What are the Possible Causes of the DTC P1236 2002 Ford F150?

Faulty Fuel Pump Drive Module (FPDM)
FPDM harness is open or shorted
FPDM circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC P1236 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

Note: For LS6/LS8 and Thunderbird, the FPDM functions are incorporated in the Rear Electronics Module (REM). Also, the REM does not use an FPM circuit. Diagnostic information is sent on the communication link.
P1236 indicates that the FPDM has detected an invalid or missing FP circuit signal from the PCM. The FPDM will send a message to the PCM through the FPM circuit, indicating that this failure has been detected. The PCM will set the DTC when the message is received.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1236 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 P1236 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 P1236 2002 Ford F150 Code

1. What are the common symptoms of OBDII code P1236 on a 2002 Ford F150 related to "Fuel Pump Control Out Of Range"?

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

2. What are the possible causes of OBDII code P1236 on a 2002 Ford F150?

- Possible causes include a faulty fuel pump driver module, wiring issues, a malfunctioning fuel pump, or a problem with the fuel pump control circuit.

3. How can I diagnose the issue causing OBDII code P1236 on my 2002 Ford F150?

- It is recommended to perform a thorough inspection of the fuel pump driver module, check the wiring for any damage or corrosion, and test the fuel pump and its control circuit for proper functionality.

4. Can a DIY enthusiast repair OBDII code P1236 on a 2002 Ford F150?

- While some simple issues like wiring repairs or connector cleaning can be done by DIY enthusiasts, diagnosing and repairing complex issues with the fuel pump system may require professional assistance.

5. What are some repair tips for addressing OBDII code P1236 on a 2002 Ford F150?

- Ensure proper grounding of the fuel pump driver module, check for any loose connections, and consider testing the fuel pump relay as part of the troubleshooting process.

6. Is it safe to continue driving my 2002 Ford F150 with OBDII code P1236 present?

- It is not recommended to continue driving the vehicle with code P1236 as it can lead to potential engine performance issues and may cause further damage to the fuel pump system.

7. How much does it typically cost to repair OBDII code P1236 on a 2002 Ford F150?

- The cost of repair can vary depending on the exact cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

8. Can resetting the OBDII code P1236 on a 2002 Ford F150 make the issue go away temporarily?

- Resetting the code may temporarily clear the warning light, but if the underlying issue causing code P1236 is not addressed, it is likely to reappear once the problem persists.

9. Will OBDII code P1236 on a 2002 Ford F150 cause the check engine light to illuminate?

- Yes, code P1236 will trigger the check engine light to come on, signaling a problem with the fuel pump control system that needs to be addressed.

10. What is the best course of action if OBDII code P1236 continues to reoccur on a 2002 Ford F150 after repairs?

- If the code keeps reoccurring after repairs, it is advisable to have the vehicle thoroughly inspected by a professional mechanic to identify any underlying issues that may have been overlooked.