AutoCodes – Subaru – B1500 Subaru

B1500 Subaru Code - Fuel Sender Open/Short-Circuit Detection

Quick Answer

The Combination Meter monitors the Fuel Level Sensor. Common causes include Faulty Fuel Level Sensor, Fuel Level Sensor harness is open or shorted, Fuel Level Sensor 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
B1500 Subaru indicates Fuel Sender Open/Short-Circuit Detection.
Common causes
Common causes include Faulty Fuel Level Sensor, Fuel Level Sensor harness is open or shorted, Fuel Level Sensor 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 9,135
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 23, 2019
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Code B1500 Subaru Description

The Combination Meter monitors the Fuel Level Sensor. The Combination Meter sets the OBDII code when the Fuel Level Sensor is not to factory specifications.
OBDII Code B1500 Subaru - Fuel Sender Open/Short-Circuit Detection - AutoCodes.com
B1500 Subaru Code - Fuel Sender Open/Short-Circuit Detection

What are the Possible Causes of the DTC B1500 Subaru?

  • Faulty Fuel Level Sensor
  • Fuel Level Sensor harness is open or shorted
  • Fuel Level Sensor circuit poor electrical connection
  • Faulty Combination Meter

How to Fix the DTC B1500 Subaru?

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 is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B1500 Subaru 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.

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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 B1500 Subaru Code

1. What are the common symptoms of OBDII code B1500 in a Subaru related to Fuel Sender Open/Short-Circuit Detection?

The common symptoms include inaccurate fuel gauge readings, fuel gauge not working at all, or the fuel gauge fluctuating erratically.

2. What are the possible causes of OBDII code B1500 in a Subaru related to Fuel Sender Open/Short-Circuit Detection?

Possible causes include a faulty fuel level sensor, damaged wiring or connectors in the fuel sender circuit, or a defective instrument cluster.

3. How can I diagnose the issue causing OBDII code B1500 in my Subaru?

You can diagnose the issue by checking the wiring and connectors in the fuel sender circuit for any damage or corrosion, testing the fuel level sensor for proper operation, and scanning the instrument cluster for any faults.

4. Can a DIY enthusiast repair OBDII code B1500 related to Fuel Sender Open/Short-Circuit Detection in a Subaru?

Depending on the exact cause, a DIY enthusiast may be able to repair the issue by replacing the faulty fuel level sensor, repairing damaged wiring or connectors, or resetting the instrument cluster.

5. Is it safe to continue driving my Subaru with OBDII code B1500 related to Fuel Sender Open/Short-Circuit Detection?

It is generally not recommended to continue driving the vehicle with this issue, as inaccurate fuel gauge readings can lead to running out of fuel unexpectedly. It is best to address the problem promptly.

6. Can resetting the OBDII code B1500 related to Fuel Sender Open/Short-Circuit Detection in my Subaru fix the issue permanently?

Resetting the code may temporarily eliminate the warning light, but it will not fix the underlying problem causing the fault. Proper diagnosis and repair are necessary for a permanent solution.

7. Are there any specific tools required to diagnose OBDII code B1500 in a Subaru related to Fuel Sender Open/Short-Circuit Detection?

Commonly used tools for diagnosis include a multimeter for testing electrical connections, a scan tool to read and clear fault codes, and possibly a wiring diagram specific to your Subaru model.

8. How much does it typically cost to repair OBDII code B1500 related to Fuel Sender Open/Short-Circuit Detection in a Subaru?

The cost of repair can vary depending on the exact cause of the issue. Replacing a fuel level sensor can range from $100 to $300, while repairing wiring or connectors may be less expensive.

9. Can extreme weather conditions affect the occurrence of OBDII code B1500 in a Subaru related to Fuel Sender Open/Short-Circuit Detection?

Extreme temperature changes or moisture exposure can potentially exacerbate issues with the fuel sender circuit, leading to the triggering of this fault code.

10. How long does it usually take to repair OBDII code B1500 related to Fuel Sender Open/Short-Circuit Detection in a Subaru?

The repair time can vary based on the complexity of the issue and the availability of replacement parts. Simple repairs may take a few hours, while more involved diagnoses and fixes could take longer.

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