AutoCodes – Subaru – B1501 Subaru

B1501 Subaru Code - Power Supply System Error Detection

Quick Answer

The Combination Meter monitors the Power Supply System. Common causes include Blown Combination Meter Fuse, Faulty Combination Meter, Combination Meter 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: B1501 Subaru indicates Power Supply System Error Detection.
Common causes: Common causes include Blown Combination Meter Fuse, Faulty Combination Meter, Combination Meter 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 13,825

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 Apr 23, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1501 Subaru Description

The Combination Meter monitors the Power Supply System. The Combination Meter sets the OBDII code when the Power Supply System is not to factory specifications.

OBDII Code B1501 Subaru - Power Supply System Error Detection - AutoCodes.com — B1501 Subaru Code - Power Supply System Error Detection

What does this mean?

What are the Possible Causes of the DTC B1501 Subaru?

Blown Combination Meter Fuse
Faulty Combination Meter
Combination Meter harness is open or shorted
Combination Meter circuit poor electrical connection

How to Fix the DTC B1501 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 B1501 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 B1501 Subaru Code

1. What are the common symptoms of OBDII code B1501 in a Subaru related to the Power Supply System Error Detection?

- Common symptoms include issues with electrical components, such as problems with power windows, door locks, or interior lights not functioning properly.

2. What are the possible causes of OBDII code B1501 in a Subaru?

- The code B1501 in a Subaru is typically triggered by a fault in the power supply system, which can be caused by a blown fuse, a faulty relay, or a wiring issue.

3. How can I diagnose the OBDII code B1501 in my Subaru?

- To diagnose the code B1501, you will need an OBDII scanner to retrieve the error code. From there, you can inspect the power supply system components for any visible damage or connectivity issues.

4. Can I continue driving my Subaru with the OBDII code B1501 present?

- It is not recommended to drive your Subaru with the OBDII code B1501 present, as it can lead to further electrical problems and potential safety hazards.

5. How can I repair OBDII code B1501 in my Subaru?

- The repair process for code B1501 involves identifying and fixing the underlying issue in the power supply system, such as replacing a blown fuse, repairing a damaged wire, or replacing a faulty relay.

6. Are there any DIY tips for troubleshooting OBDII code B1501 in my Subaru?

- You can start by checking all the fuses related to the power supply system, inspecting the wiring harness for any visible damage, and testing the relays for proper functionality.

7. Can a loose battery connection trigger the OBDII code B1501 in a Subaru?

- Yes, a loose or corroded battery connection can disrupt the power supply system and potentially trigger the OBDII code B1501 in a Subaru.

8. Will resetting the error codes make OBDII code B1501 disappear permanently?

- Resetting the error codes may temporarily clear the OBDII code B1501, but if the underlying issue in the power supply system is not fixed, the code is likely to reappear.

9. Is it necessary to visit a dealership for OBDII code B1501 repair in a Subaru?

- While a dealership can provide specialized expertise, an experienced independent mechanic can also diagnose and repair the OBDII code B1501 in your Subaru.

10. How can I prevent OBDII code B1501 from recurring in my Subaru?

- Regularly inspecting the power supply system components, ensuring proper battery connections, and addressing any electrical issues promptly can help prevent the recurrence of OBDII code B1501 in your Subaru.