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P1236 Ford Code - Fuel Pump Control Out of Range

Quick Answer

The P1236 Ford code indicates that there is an issue with the fuel pump control system being out of range. Common causes include Faulty fuel pump relay, Failing fuel pump driver module, Clogged fuel filter. 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 Ford indicates Fuel Pump Control Out of Range.
Common causes
Common causes include Faulty fuel pump relay, Failing fuel pump driver module, Clogged fuel filter.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code P1236 Ford Description

The P1236 Ford code indicates that there is an issue with the fuel pump control system being out of range. This means that the powertrain control module (PCM) has detected that the fuel pump is not operating within the expected parameters. The fuel pump is a crucial component of the vehicle's fuel system, responsible for delivering fuel from the tank to the engine. When the fuel pump control is out of range, it can lead to a variety of performance issues and potentially cause long-term damage if not addressed promptly.

OBDII Code P1236 Ford - Fuel Pump Control Out of Range
P1236 Ford Code - Fuel Pump Control Out of Range

Common Causes of P1236 Ford

  1. Faulty fuel pump relay.
  2. Failing fuel pump driver module.
  3. Clogged fuel filter.
  4. Malfunctioning fuel pump.
  5. Issues with the powertrain control module (PCM).

Symptoms of P1236 Ford

  1. Engine misfires or hesitation during acceleration.
  2. Rough idling or stalling.
  3. Difficulty starting the engine.
  4. Decreased fuel efficiency.
  5. Illumination of the check engine light.

How to Fix P1236 Ford

  1. Diagnose the fuel pump control system using a diagnostic scanner to determine the exact cause of the issue.
  2. Check the fuel pump relay and fuel pump driver module for any signs of damage or electrical issues.
  3. Inspect the fuel filter and fuel pump for clogs or malfunctions, replacing them if necessary.
  4. Test the powertrain control module (PCM) for any faults or reprogram it if needed.
  5. Clear the diagnostic trouble codes, reset the PCM, and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P1236 Ford

The typical repair costs for addressing a P1236 Ford code can vary depending on the specific cause of the issue. On average, the cost of parts such as a fuel pump relay, fuel pump driver module, fuel filter, or fuel pump itself can range from $100 to $500. Additionally, labor costs for diagnosing and repairing the issue can range from $200 to $500, with total repair costs potentially amounting to $300 to $1000 or more. It is important to note that these estimates are general and can vary based on factors such as location, vehicle make and model, and the specific repair shop's labor rates. It is recommended to obtain quotes from local auto repair shops for a more accurate estimate.

What does this mean?

Tech Notes for P1236 Ford

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.

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Information for Specific Ford Models

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.

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