AutoCodes – Ford – P1236 1998 Ford F150

P1236 1998 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 1998 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 1,857

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 1998 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 1998 Ford F150 - Fuel Pump Control Out Of Range - AutoCodes.com — P1236 1998 Ford F150 Code - Fuel Pump Control Out Of Range

What does this mean?

What are the Possible Causes of the DTC P1236 1998 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 1998 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 1998 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 1998 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 1998 Ford F150 Code

1. What are the common symptoms of OBDII code P1236 on a 1998 Ford F150?

- Common symptoms include engine stalling, hesitation during acceleration, and difficulty starting the vehicle.

2. What can cause the OBDII code P1236 on a 1998 Ford F150?

- The code P1236 typically indicates a fault with the fuel pump control circuit, such as a malfunctioning fuel pump driver module or wiring issue.

3. How can I diagnose the cause of OBDII code P1236 on my 1998 Ford F150?

- To diagnose the issue, you may need to perform a thorough inspection of the fuel pump driver module, check the wiring for any damage, and test the fuel pump relay.

4. Can a faulty fuel pump trigger the OBDII code P1236 on a 1998 Ford F150?

- Yes, a faulty fuel pump can sometimes cause the fuel pump control circuit to go out of range, triggering the P1236 trouble code.

5. What are some repair tips for resolving OBDII code P1236 on a 1998 Ford F150?

- Repair tips include checking and replacing the fuel pump driver module, inspecting and repairing any damaged wiring, and ensuring proper connection of the fuel pump relay.

6. Is it safe to continue driving my 1998 Ford F150 with OBDII code P1236?

- It is not recommended to drive the vehicle with the P1236 code present, as it can lead to potential fuel delivery issues and engine performance problems.

7. Can resetting the OBDII code P1236 on a 1998 Ford F150 fix the issue temporarily?

- Resetting the code may temporarily clear the check engine light, but if the underlying issue causing the P1236 code is not addressed, it is likely to reappear.

8. Are there any recalls or technical service bulletins related to OBDII code P1236 on a 1998 Ford F150?

- It is advisable to check with a Ford dealership or refer to online resources for any recalls or technical service bulletins related to the P1236 code on the 1998 Ford F150.

9. How much does it typically cost to repair OBDII code P1236 on a 1998 Ford F150?

- The cost of repairing the P1236 code can vary depending on the specific cause of the issue, but it may involve expenses for parts and labor, ranging from $200 to $600 or more.

10. Can a DIY enthusiast tackle the repair of OBDII code P1236 on a 1998 Ford F150?

- While some DIY enthusiasts may have the skills to diagnose and repair the issue causing the P1236 code, it is recommended to consult a professional mechanic for proper diagnosis and repair to ensure safety and effectiveness.