AutoCodes – Saturn – B1447 Saturn

B1447 Saturn 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 Saturn 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 1,064

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 Saturn Description

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

What does this mean?

What are the Possible Causes of the DTC B1447 Saturn?

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 Saturn?

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 Saturn 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 Saturn code?

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

Need Help with the Code?

Get the B1447 Saturn 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 Saturn Code

1. What does OBDII code B1447 for Saturn indicate?

The B1447 code relates to a problem with the backup power source.

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

Common symptoms include difficulty starting the vehicle, dimming lights, and issues with electrical components.

3. What are the possible causes of the B1447 code in a Saturn car?

Possible causes include a faulty battery, alternator issues, loose connections, or a malfunctioning power control module.

4. How can I diagnose the B1447 code in my Saturn?

Diagnosis typically involves checking the battery voltage, inspecting the alternator, testing electrical connections, and using a diagnostic scanner to retrieve and clear the code.

5. Can I repair the B1447 code in my Saturn myself?

Depending on the cause, you may be able to repair the issue yourself by replacing the battery, fixing loose connections, or addressing alternator problems. However, complex electrical issues may require professional assistance.

6. Is it safe to drive with the B1447 code present in my Saturn?

It is not recommended to drive with the B1447 code as it can lead to potential electrical failures and cause safety issues while driving.

7. How much does it cost to repair the B1447 code in a Saturn?

The cost of repairing the B1447 code can vary depending on the underlying cause. Simple fixes like replacing a battery may cost less, while complex issues could be more expensive.

8. Can a faulty alternator cause the B1447 code in a Saturn?

Yes, a faulty alternator can cause the B1447 code as it may not be providing sufficient power to the vehicle's electrical system.

9. Will disconnecting the battery reset the B1447 code in my Saturn?

Disconnecting the battery may temporarily clear the code, but it is not a permanent solution. It's important to diagnose and address the root cause of the issue.

10. How often does the B1447 code occur in Saturn vehicles?

The B1447 code can occur sporadically in Saturn vehicles, especially as they age and experience electrical system wear and tear. Regular maintenance can help prevent this code from appearing.