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Engine-Codes – Generic – B1381

B1381 Code - Oil Change Reset Button Circuit Open

Quick Answer

The B1381 diagnostic trouble code indicates that there is an issue with the Oil Change Reset Button Circuit being open. Common causes include Faulty oil change reset button, Loose or damaged wiring connections in the reset button circuit, Corrosion or damage to the reset button circuit components. 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
B1381 indicates Oil Change Reset Button Circuit Open.
Common causes
Common causes include Faulty oil change reset button, Loose or damaged wiring connections in the reset button circuit, Corrosion or damage to the reset button circuit components.
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 09, 2024
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Code B1381 Description

The B1381 diagnostic trouble code indicates that there is an issue with the Oil Change Reset Button Circuit being open. This code is commonly found in vehicles equipped with an oil life monitoring system that requires manual resetting after an oil change. When the Oil Change Reset Button Circuit is open, it means that the connection to the reset button has been interrupted or is not functioning properly. This can prevent the system from being reset after an oil change, leading to inaccurate oil change interval readings and potentially causing the vehicle to run on old, degraded oil for longer than intended.

OBDII Code B1381 - Oil Change Reset Button Circuit Open
B1381 Code - Oil Change Reset Button Circuit Open

Common Causes of B1381

  1. Faulty oil change reset button.
  2. Loose or damaged wiring connections in the reset button circuit.
  3. Corrosion or damage to the reset button circuit components.
  4. Issues with the oil life monitoring system module or software.

Symptoms of B1381

  1. Oil change reminder light stays on even after an oil change has been performed.
  2. Inaccurate oil change interval readings on the dashboard display.
  3. Engine performance issues such as rough idling or reduced power.
  4. Increased fuel consumption due to degraded oil quality.
  5. Check engine light may be illuminated.

How to Fix B1381

  1. Begin by verifying the presence of the issue by checking for any visible damage to the oil change reset button or circuit components.
  2. Inspect the wiring connections related to the reset button circuit for any signs of damage, corrosion, or looseness.
  3. Test the oil change reset button using a multimeter to determine if it is functioning properly.
  4. If the reset button is faulty, replace it with a new one. If the issue lies with the wiring or circuit components, repair or replace them as necessary.
  5. After completing the repairs, reset the oil change indicator in the vehicle's system to ensure accurate oil change intervals moving forward.

Cost to Fix B1381

The cost of repairing the Oil Change Reset Button Circuit open issue can vary depending on the specific cause of the problem and the make and model of the vehicle. On average, the parts required for this repair may range from $50 to $150, while the labor costs can be around $100 to $200. This estimate is a rough guideline, and actual costs may vary based on the location, labor rates, and any additional diagnostic time required. It is recommended to consult with a qualified mechanic or auto repair shop for a more accurate cost estimate.

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Code B1381 Information for Specific Makes

  • B1381 Hyundai — Front-Driver Side Airbag Resistance Circuit Short To Battery
  • B1381 KIA — Front-Driver Side Airbag Resistance Circuit Short To Battery
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 B1381 Code

1. What are the common symptoms of OBDII code B1381 - Oil Change Reset Button Circuit Open?

The common symptoms include the oil change reminder light not resetting, inaccurate oil change interval notifications, or a warning light on the dashboard.

2. What can cause the OBDII code B1381 to trigger?

The code B1381 is triggered when the oil change reset button circuit is detected as open or not functioning properly. This can be due to a faulty reset button, wiring issues, or a problem with the instrument cluster.

3. How can I diagnose the cause of the Oil Change Reset Button Circuit Open issue?

To diagnose the issue, you can start by checking the oil change reset button for any physical damage or corrosion. Inspect the wiring connected to the reset button and look for any breaks or loose connections. If needed, use a multimeter to test the continuity of the circuit.

4. Can I reset the Oil Change Reset Button Circuit Open code myself?

If you have identified and fixed the issue causing the code B1381, you can reset it using an OBDII scanner or by disconnecting the car's battery for a few minutes. However, if the underlying problem persists, the code may reappear.

5. Is it safe to continue driving with the OBDII code B1381 active?

While the code B1381 is not a critical issue that affects the vehicle's drivability or safety, it is recommended to address the problem promptly to ensure the accuracy of oil change reminders and maintenance notifications.

6. How much does it typically cost to repair the Oil Change Reset Button Circuit Open issue?

The cost of repairing the B1381 code can vary depending on the underlying cause. It could range from a simple fix like replacing the reset button or repairing wiring issues, to a more complex repair involving the instrument cluster. It's advisable to consult a professional mechanic for an accurate diagnosis and cost estimate.

7. Can a DIY enthusiast fix the OBDII code B1381 themselves?

For those with experience in automotive repair and electrical systems, fixing the B1381 code may be possible. However, due to the intricate nature of modern vehicle electronics, it is recommended to seek professional help if you are unsure about diagnosing or repairing the issue.

8. What other codes or issues might be related to the Oil Change Reset Button Circuit Open problem?

Issues related to the vehicle's instrument cluster, electrical system, or other maintenance reminder circuits could trigger similar codes. It's advisable to address any related problems to prevent further issues down the line.

9. How often should the oil change reminder be reset in a typical vehicle?

The oil change reminder should be reset after each oil change to ensure accurate maintenance notifications and to prevent unnecessary alerts. Refer to your vehicle's manual for specific instructions on resetting the reminder.

10. Can a faulty oil change reset button affect the vehicle's performance?

While a faulty oil change reset button itself does not affect the vehicle's performance, ignoring the underlying issue could lead to missed maintenance schedules, which may impact the engine's longevity and efficiency.

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