AutoCodes – Generic – B11E8

B11E8 Code - ABS Power Supply Circuit Voltage Below Threshold

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Batty Voltage terminal. Common causes include Low Battery Charge, Charging System, Faulty Anti-Lock Brake System (ABS) Module. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means: B11E8 indicates ABS Power Supply Circuit Voltage Below Threshold.
Common causes: Common causes include Low Battery Charge, Charging System, Faulty Anti-Lock Brake System (ABS) Module.
Severity: Low - monitor the vehicle and repair when practical.
Can I drive?: The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

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Code Popularity 9,063

How popular is this code, among other codes? Low

Repair Importance Level

Low (Monitor) (1 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Nov 19, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B11E8 Description

The Anti-Lock Brake System (ABS) Module monitors the Batty Voltage terminal. The ABS Module sets the OBDII code if the voltage supplied to the ABS module falls below 10 volts during the ABS module self-test or normal operation.

OBDII Code B11E8 - ABS Power Supply Circuit Voltage Below Threshold - AutoCodes.com — B11E8 Code - ABS Power Supply Circuit Voltage Below Threshold

What does this mean?

What are the Possible Causes of the DTC B11E8?

Low Battery Charge
Charging System
Faulty Anti-Lock Brake System (ABS) Module
Anti-Lock Brake System (ABS) Module harness is open or shorted
Anti-Lock Brake System (ABS) Module circuit poor electrical connection

How to Fix the DTC B11E8?

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 B11E8 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 B11E8 code?

Need more information on how to fix the B11E8 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B11E8 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B11E8 Ford — ABS Power Supply Circuit Voltage Below Threshold
B11E8 Lincoln — ABS Power Supply Circuit Voltage Below Threshold
B11E8 Mercury — ABS Power Supply Circuit Voltage Below Threshold

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 B11E8 Code

1. What are common symptoms of OBDII code B11E8 (ABS Power Supply Circuit Voltage Below Threshold)?

- Common symptoms include the ABS warning light illuminating on the dashboard, loss of ABS functionality, and possible traction control issues.

2. What can cause OBDII code B11E8 to trigger?

- This code can be triggered by a faulty ABS power supply module, damaged wiring or connectors in the ABS system, or a weak battery voltage affecting the ABS power supply circuit.

3. How can I diagnose the root cause of OBDII code B11E8?

- To diagnose the issue, you can use a diagnostic scanner to retrieve the ABS module codes, inspect the wiring and connectors for damage, test the battery voltage, and check the ABS power supply module for proper functioning.

4. Is it safe to continue driving with OBDII code B11E8 present?

- It is not recommended to continue driving with this code present, as it indicates a potential issue with the ABS system that could compromise braking performance in certain situations.

5. What are some repair tips for resolving OBDII code B11E8?

- Repair tips include checking and repairing any damaged wiring or connectors, replacing the ABS power supply module if necessary, and ensuring the battery voltage is within specifications.

6. Can a DIY enthusiast fix OBDII code B11E8 at home?

- While some basic troubleshooting steps can be done at home, diagnosing and repairing issues related to this code may require specialized tools and expertise, so it's recommended to consult a professional mechanic.

7. How much does it typically cost to fix OBDII code B11E8?

- The cost of fixing this code can vary depending on the root cause of the issue, but it may involve expenses for parts replacement, labor, and diagnostic charges, so it's advisable to get a few quotes from different repair shops.

8. Will OBDII code B11E8 cause my vehicle to fail an emissions test?

- Depending on the regulations in your area, having this code present may cause your vehicle to fail an emissions test, as it signifies a malfunction in the ABS system that can affect vehicle safety and performance.

9. How urgent is it to address OBDII code B11E8 once detected?

- It is recommended to address this code promptly to ensure the ABS system functions correctly and maintains optimal braking performance, especially in emergency situations.

10. Can resetting the OBDII code B11E8 resolve the issue temporarily?

- Resetting the code may temporarily turn off the warning light, but if the underlying issue causing the code is not fixed, it is likely to reappear. It's important to diagnose and address the root cause of the problem.