AutoCodes – Ford – B10E5 Ford

B10E5 Ford Code - Wake up Control Circuit Short

Quick Answer

The wake up control circuit is used to wake up the Powertrain Control Module (PCM) prior to engine cranking. Common causes include Faulty Body Control Module (BCM), Body Control Module (BCM) harness is open or shorted, Body Control Module (BCM) 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: B10E5 Ford indicates Wake up Control Circuit Short.
Common causes: Common causes include Faulty Body Control Module (BCM), Body Control Module (BCM) harness is open or shorted, Body Control Module (BCM) 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 15,068

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 Nov 19, 2024

Description
Possible Causes
How To Fix
Tech Notes
Cost to Diagnose
FAQs
Comments
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Code B10E5 Ford Description

The wake up control circuit is used to wake up the Powertrain Control Module (PCM) prior to engine cranking. The PCM needs to wake up prior to a crank request so that it has time to go through its own initialization. The wake up control circuit is controlled by the Body Control Module (BCM). The OBDII set when the BCM detects a short to ground or voltage on the wake up control circuit.

OBDII Code B10E5 Ford - Wake up Control Circuit Short - AutoCodes.com — B10E5 Ford Code - Wake up Control Circuit Short

What does this mean?

What are the Possible Causes of the DTC B10E5 Ford?

Faulty Body Control Module (BCM)
Body Control Module (BCM) harness is open or shorted
Body Control Module (BCM) circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC B10E5 Ford?

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 does this mean?

Code Tech Notes

B10E5:11 Wake up Control: Circuit Short To Ground
B10E5:15 Wake up Control: Circuit Short To Battery or Open

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B10E5 Ford 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 B10E5 Ford Code

1. What are common symptoms of OBDII code B10E5 Ford (Wake up Control Circuit Short)?

Common symptoms include the vehicle's electrical system not functioning properly, intermittent starting issues, and possible illumination of the check engine light.

2. What causes the OBDII code B10E5 Ford (Wake up Control Circuit Short)?

This code is typically triggered by a short circuit in the wake up control circuit, which can be caused by damaged wiring, faulty connectors, or a malfunctioning control module.

3. How can I diagnose the OBDII code B10E5 Ford (Wake up Control Circuit Short)?

Diagnosis involves using a scan tool to read the code, inspecting the wiring and connectors for any visible damage, and testing the control module for proper functionality.

4. Can I still drive my vehicle with the OBDII code B10E5 Ford (Wake up Control Circuit Short)?

It's not recommended to drive the vehicle with this code present, as it can lead to further electrical issues and potential stalling or starting problems.

5. How do I repair the OBDII code B10E5 Ford (Wake up Control Circuit Short)?

Repairing this code involves identifying and fixing the short circuit in the wake up control circuit, repairing or replacing damaged wiring or connectors, and resetting the fault code.

6. Is the OBDII code B10E5 Ford (Wake up Control Circuit Short) a serious issue?

While not an immediate safety concern, it's important to address this code promptly to prevent potential electrical system malfunctions and ensure the vehicle's reliability.

7. Can a DIY enthusiast fix the OBDII code B10E5 Ford (Wake up Control Circuit Short)?

If you have experience with automotive electrical systems and access to the necessary tools, you may be able to address this code yourself. However, professional help is recommended for accurate diagnosis and repair.

8. Will resetting the OBDII code B10E5 Ford (Wake up Control Circuit Short) make it go away permanently?

Simply resetting the code without addressing the underlying issue will not permanently resolve the problem. The root cause of the short circuit must be identified and fixed for a lasting solution.

9. How much does it cost to repair the OBDII code B10E5 Ford (Wake up Control Circuit Short)?

The cost of repair can vary depending on the extent of the damage, the need for replacement parts, and whether professional labor is required. It's advisable to obtain estimates from reputable mechanics.

10. Can extreme weather conditions affect the occurrence of OBDII code B10E5 Ford (Wake up Control Circuit Short)?

Extreme temperatures or weather conditions can potentially exacerbate existing electrical issues in the vehicle, leading to the triggering of this code. Regular maintenance and inspections can help prevent such issues.