AutoCodes – Generic – B1867

B1867 Code - Battery Power Supply ECU Circuit Short To Ground

Quick Answer

The Body Control Module (BCM) monitors the Battery Power Supply ECU. Common causes include Faulty Battery Power Supply ECU, Battery Power Supply ECU harness is open or shorted, Battery Power Supply ECU 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: B1867 indicates Battery Power Supply ECU Circuit Short To Ground.
Common causes: Common causes include Faulty Battery Power Supply ECU, Battery Power Supply ECU harness is open or shorted, Battery Power Supply ECU 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.

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Code Popularity 19,027

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 07, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1867 Description

The Body Control Module (BCM) monitors the Battery Power Supply ECU. The BCM sets the OBDII code when the Battery Power Supply ECU is not to factory specifications.

OBDII Code B1867 - Battery Power Supply ECU Circuit Short To Ground - AutoCodes.com — B1867 Code - Battery Power Supply ECU Circuit Short To Ground

What does this mean?

What are the Possible Causes of the DTC B1867?

Faulty Battery Power Supply ECU
Battery Power Supply ECU harness is open or shorted
Battery Power Supply ECU circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B1867?

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 B1867 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 B1867 code?

Need more information on how to fix the B1867 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1867 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B1867 Lexus — Short To Ground In Front Passenger Side Knee Airbag Squib Circuit
B1867 Scion — Short To Ground In Front Passenger Side Knee Airbag Squib Circuit
B1867 Toyota — Short To Ground In Front Passenger Side Knee Airbag Squib Circuit

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 B1867 Code

1. What are common symptoms of OBDII code B1867 (Battery Power Supply ECU Circuit Short To Ground)?

- Common symptoms include a check engine light illumination, weak or dying battery, electrical malfunctions, and issues with starting the vehicle.

2. What can cause OBDII code B1867 to trigger?

- This code can be triggered by a short to ground in the battery power supply ECU circuit, faulty wiring, damaged connectors, or a malfunctioning ECU.

3. How serious is OBDII code B1867?

- This code is considered serious as it can lead to electrical issues, potential damage to the ECU, and difficulties in starting and operating the vehicle.

4. How can I diagnose OBDII code B1867?

- Diagnosing this code involves using a scan tool to retrieve the code, checking the battery power supply ECU circuit for shorts to ground, inspecting wiring and connectors for damage, and testing the ECU for proper functioning.

5. What are some repair tips for OBDII code B1867?

- Repair tips include repairing any shorts to ground in the circuit, replacing damaged wiring or connectors, resetting the ECU after repairs, and ensuring proper battery connection.

6. Can I drive my vehicle with OBDII code B1867?

- It is not recommended to drive the vehicle with this code as it can lead to further electrical issues and potential ECU damage. It's best to address the problem promptly.

7. How much does it cost to repair OBDII code B1867?

- The cost of repair can vary depending on the extent of the issue, the labor rates of the repair shop, and the cost of any replacement parts needed. It is advisable to get a few quotes from different mechanics.

8. Can I reset OBDII code B1867 without fixing the underlying issue?

- While you can clear the code using a scan tool, it will likely reappear if the underlying issue is not fixed. It's important to address the root cause of the problem to prevent further issues.

9. What happens if OBDII code B1867 is ignored?

- Ignoring this code can lead to more severe electrical problems, potential damage to the ECU, and difficulties in starting or operating the vehicle. It's best to address the issue promptly.

10. How long does it take to repair OBDII code B1867?

- The repair time can vary depending on the complexity of the issue, the availability of parts, and the expertise of the mechanic. It's best to consult with a professional for an accurate estimate of repair time.