AutoCodes – Hummer – C0247 Hummer

C0247 Hummer Code - Left Front Isolation Solenoid Circuit Shorted

Quick Answer

When left front isolation solenoid is needed, Electronic Brake Control Module (EBCM) will ground solenoid circuit to energize coil within the solenoid. Common causes include Faulty Electronic Brake Control Module (EBCM), Electronic Brake Control Module (EBCM) harness is open or shorted, Electronic Brake Control Module (EBCM) 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: C0247 Hummer indicates Left Front Isolation Solenoid Circuit Shorted.
Common causes: Common causes include Faulty Electronic Brake Control Module (EBCM), Electronic Brake Control Module (EBCM) harness is open or shorted, Electronic Brake Control Module (EBCM) 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 1,660

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 Jun 04, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C0247 Hummer Description

When left front isolation solenoid is needed, Electronic Brake Control Module (EBCM) will ground solenoid circuit to energize coil within the solenoid. This will close isolation valve by magnetic force created by the solenoid coil.

OBDII Code C0247 Hummer - Left Front Isolation Solenoid Circuit Shorted - AutoCodes.com — C0247 Hummer Code - Left Front Isolation Solenoid Circuit Shorted

What does this mean?

What are the Possible Causes of the DTC C0247 Hummer?

Faulty Electronic Brake Control Module (EBCM)
Electronic Brake Control Module (EBCM) harness is open or shorted
Electronic Brake Control Module (EBCM) circuit poor electrical connection

How to Fix the DTC C0247 Hummer?

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 C0247 Hummer 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 C0247 Hummer Code

1. What are the common symptoms of OBDII code C0247 Hummer (Left Front Isolation Solenoid Circuit Shorted)?

The common symptoms include the illumination of the "Service Stability System" warning light, erratic ABS operation, and potential loss of stability control.

2. What can cause the OBDII code C0247 Hummer to appear?

This code is usually triggered by a short circuit in the left front isolation solenoid circuit, which may be caused by damaged wiring, a faulty solenoid, or a corroded connector.

3. How can I diagnose the cause of OBDII code C0247 Hummer?

To diagnose the issue, you may need to perform a visual inspection of the wiring and connectors, test the left front isolation solenoid, and use a diagnostic scanner to retrieve additional fault codes.

4. What are some repair tips for fixing OBDII code C0247 Hummer?

Repairing this code may involve repairing or replacing damaged wiring, cleaning corroded connectors, testing and replacing the left front isolation solenoid if necessary, and clearing the trouble codes.

5. Can I drive my Hummer with OBDII code C0247 present?

It is not recommended to drive your vehicle with this code active, as it may affect the stability control system and compromise your safety on the road.

6. How much does it typically cost to repair OBDII code C0247 Hummer?

The cost of repair can vary depending on the extent of the damage and the parts needed, but it may range from $100 to $300 for parts and labor.

7. Can I clear the OBDII code C0247 Hummer without fixing the issue?

Clearing the code without addressing the underlying problem will only temporarily turn off the warning light, but the issue will likely reappear until properly repaired.

8. Is OBDII code C0247 Hummer a serious problem?

While this code may not cause immediate drivability issues, it can affect the stability control system, potentially compromising your vehicle's safety and performance.

9. How long does it take to repair OBDII code C0247 Hummer?

The repair time can vary depending on the exact cause of the code, but it typically takes a few hours to diagnose and fix the issue.

10. Can I fix OBDII code C0247 Hummer myself?

If you have the necessary tools, knowledge, and experience working on automotive electrical systems, you may be able to diagnose and repair this code yourself. Otherwise, it's best to seek professional help.