AutoCodes – Chevrolet – B1447 Chevrolet

B1447 Chevrolet Code - Backup Power Source

Quick Answer

The Back-up Battery (BUB) provides voltage to the Communication Interface Module (CIM), to be able to successfully place a call in the event of a main battery disconnect during a collision event. Common causes include Faulty Communication Interface Module (CIM), Communication Interface Module (CIM) harness is open or shorted, Communication Interface Module (CIM) 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: B1447 Chevrolet indicates Backup Power Source.
Common causes: Common causes include Faulty Communication Interface Module (CIM), Communication Interface Module (CIM) harness is open or shorted, Communication Interface Module (CIM) 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 10,829

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 Apr 10, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1447 Chevrolet Description

OBDII Code B1447 Chevrolet - Backup Power Source - AutoCodes.com — B1447 Chevrolet Code - Backup Power Source

What does this mean?

What are the Possible Causes of the DTC B1447 Chevrolet?

Faulty Communication Interface Module (CIM)
Communication Interface Module (CIM) harness is open or shorted
Communication Interface Module (CIM) circuit poor electrical connection

How to Fix the DTC B1447 Chevrolet?

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 B1447 Chevrolet 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 B1447 Chevrolet code?

Need more information on how to fix the B1447 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1447 Chevrolet code diagnosed by a professional: Find a repair shop in your area

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 B1447 Chevrolet Code

1. What is OBDII code B1447 for Chevrolet?

The OBDII code B1447 for Chevrolet refers to a Backup Power Source error detected in the vehicle's system.

2. What are the common symptoms of OBDII code B1447 in a Chevrolet?

Common symptoms of OBDII code B1447 in a Chevrolet may include issues with power windows, power seats, or other electrical components not functioning properly.

3. What are the possible causes of OBDII code B1447 in a Chevrolet?

Possible causes of OBDII code B1447 in a Chevrolet may include a faulty backup power source module, wiring issues, or a blown fuse related to the backup power system.

4. How can I diagnose OBDII code B1447 in my Chevrolet?

Diagnosing OBDII code B1447 in your Chevrolet may require using a diagnostic scanner to read the trouble codes, checking the backup power source module, inspecting the wiring for any damage, and testing related fuses.

5. Can I continue driving my Chevrolet with OBDII code B1447?

It is generally not recommended to continue driving your Chevrolet with OBDII code B1447 as it may lead to further electrical issues and potential safety hazards.

6. How can I repair OBDII code B1447 in my Chevrolet?

Repairing OBDII code B1447 in your Chevrolet may involve replacing the faulty backup power source module, repairing any damaged wiring, and ensuring all related fuses are in working condition.

7. Is it possible to reset OBDII code B1447 in a Chevrolet without repairs?

While you can clear the trouble codes using a diagnostic scanner, it is essential to address the root cause of OBDII code B1447 in your Chevrolet to prevent the issue from recurring.

8. Are there any common issues with the backup power source in Chevrolet vehicles?

Common issues with the backup power source in Chevrolet vehicles may include module failures, wiring harness damage, and blown fuses, leading to OBDII code B1447 being triggered.

9. Can extreme weather conditions affect OBDII code B1447 in a Chevrolet?

Extreme weather conditions, such as excessive heat or cold, can potentially impact the backup power source components and wiring in a Chevrolet, contributing to the occurrence of OBDII code B1447.

10. Should I seek professional help to address OBDII code B1447 in my Chevrolet?

If you are not experienced in handling electrical system repairs, it is advisable to seek professional help to diagnose and repair OBDII code B1447 in your Chevrolet to ensure the issue is resolved correctly and safely.