AutoCodes – Ford – P115B Ford

P115B Ford Code - Low Fuel Level - Forced Engine Shutdown

Quick Answer

Fuel level information is sent from the instrument cluster to the Powertrain Control Module (PCM) on the communication link. Common causes include Low fuel, Fualty Fuel Level Sensor, Fuel Level Sensor 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: P115B Ford indicates Low Fuel Level - Forced Engine Shutdown.
Common causes: Common causes include Low fuel, Fualty Fuel Level Sensor, Fuel Level Sensor 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 7,891

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 26, 2019

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code P115B Ford Description

Fuel level information is sent from the instrument cluster to the Powertrain Control Module (PCM) on the communication link. If an excessively low fuel level input message is received by the PCM from the instrument cluster, the PCM limits the fuel rail pressure (FRP).

OBDII Code P115B Ford - Low Fuel Level - Forced Engine Shutdown - AutoCodes.com — P115B Ford Code - Low Fuel Level - Forced Engine Shutdown

What does this mean?

What are the Possible Causes of the DTC P115B Ford?

Low fuel
Fualty Fuel Level Sensor
Fuel Level Sensor harness is open or shorted
Fuel Level Sensor circuit poor electrical connection

How to Fix the DTC P115B Ford?

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

Check that there is sufficient fuel in the tank. Check the fuel level sensor and circuits. If no fault is found in the circuits, install a new fuel level sensor. Clear all the codes and test for normal operation.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P115B Ford 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 P115B Ford code?

Need more information on how to fix the P115B Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P115B Ford code diagnosed by a professional: Find a repair shop in your area

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 P115B Ford Code

1. What are the common symptoms of OBDII code P115B in a Ford vehicle?

The common symptoms of code P115B include sudden engine shutdown, difficulty starting the vehicle, and the inability to accelerate.

2. What does the OBDII code P115B Low Fuel Level - Forced Engine Shutdown indicate in a Ford vehicle?

This code indicates that the vehicle's engine is being forced to shut down due to low fuel level, which is a safety feature to prevent damage to the engine.

3. What are the possible causes of OBDII code P115B in a Ford vehicle?

The possible causes of code P115B include a malfunctioning fuel pump, a faulty fuel level sensor, an issue with the fuel delivery system, or simply running out of fuel.

4. How can I diagnose and repair OBDII code P115B in my Ford vehicle?

To diagnose and repair code P115B, you should first check the fuel level in the vehicle. If the fuel level is low, refuel the vehicle and see if the code clears. If the issue persists, it is recommended to have a professional mechanic inspect the fuel system components for any faults.

5. Can driving with low fuel trigger OBDII code P115B in a Ford vehicle?

Yes, driving with low fuel can trigger code P115B as it can lead to insufficient fuel reaching the engine, causing it to shut down to prevent damage.

6. Is it safe to continue driving with OBDII code P115B triggered in a Ford vehicle?

It is not safe to continue driving with code P115B triggered as it can lead to sudden engine shutdown, which may pose a safety hazard on the road.

7. Can a DIY enthusiast fix OBDII code P115B in a Ford vehicle?

While refueling the vehicle may clear the code if it was triggered by low fuel level, diagnosing and repairing other underlying issues related to code P115B may require professional help due to the complexity of the fuel system.

8. How often does OBDII code P115B occur in Ford vehicles?

OBDII code P115B related to low fuel level and forced engine shutdown can occur infrequently, especially in situations where the fuel level is critically low.

9. Are there any preventive measures to avoid triggering OBDII code P115B in a Ford vehicle?

To prevent triggering code P115B, it is recommended to monitor and maintain an adequate fuel level in the vehicle and address any fuel system issues promptly to avoid sudden engine shutdowns.

10. Can extreme temperatures or driving conditions trigger OBDII code P115B in a Ford vehicle?

Extreme temperatures or driving conditions may not directly trigger code P115B, but they can exacerbate fuel system issues that could lead to low fuel level situations triggering the code.