Engine-CodesGeneric – P115A

P115A Code - Low Fuel Level - Forced Limited Power

Quick Answer

The P115A diagnostic trouble code (DTC) indicates that the vehicle's engine control module (ECM) has detected a low fuel level condition, which is causing the engine to operate in a forced limited power mode. Common causes include Malfunctioning fuel level sensor, Faulty fuel pump, Clogged fuel filters. 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
P115A indicates Low Fuel Level - Forced Limited Power.
Common causes
Common causes include Malfunctioning fuel level sensor, Faulty fuel pump, Clogged fuel filters.
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.
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P115A Description

The P115A diagnostic trouble code (DTC) indicates that the vehicle's engine control module (ECM) has detected a low fuel level condition, which is causing the engine to operate in a forced limited power mode. This means that the vehicle's performance and power output are significantly reduced to prevent potential engine damage or unsafe driving conditions.

OBDII Code P115A - Low Fuel Level - Forced Limited Power
P115A Code - Low Fuel Level - Forced Limited Power

Common Causes of P115A

  1. Malfunctioning fuel level sensor
  2. Faulty fuel pump
  3. Clogged fuel filters
  4. Fuel delivery issue
  5. Low fuel level in the tank

Symptoms of P115A

  1. Sluggish acceleration
  2. Reduced power output
  3. Engine misfires
  4. Stalling or difficulty starting
  5. Reduced fuel efficiency

How to Fix P115A

  1. Check the fuel level in the tank and refill if necessary.
  2. Inspect the fuel level sensor for any damage or malfunction and replace if needed.
  3. Test the fuel pump for proper operation and replace if faulty.
  4. Replace clogged fuel filters to ensure proper fuel flow.
  5. Check the fuel delivery system for any leaks or blockages and address as needed.

Cost to Fix P115A

The typical repair costs for addressing a low fuel level - forced limited power issue can vary depending on the specific cause of the problem. In general, replacing a faulty fuel level sensor can cost between $150 and $300, while a new fuel pump can range from $300 to $800 including parts and labor. Clogged fuel filters are relatively inexpensive to replace, typically costing between $50 and $100. Overall, the total repair costs for this issue can range from $200 to $1000 or more, depending on the specific repairs needed. It is important to note that diagnostic time and labor rates at auto repair shops can vary, so it's advisable to check with local shops for more accurate estimates.

Tech Notes for P115A

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.

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Code P115A Information for Specific Makes

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 P115A Code

No Frequently Asked Questions about P115A Code found.

Discuss the causes and fixes for P115A OBDII Code

  • How would I reset the p115a etc after I refilled my tank

  • Try disconnecting the car battery for about 30 min or with and OBDII scanner. If the code comes back, then you may have to replace the fuel level sensor.