AutoCodes – Pontiac – B1446 Pontiac

B1446 Pontiac Code - Replace 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: B1446 Pontiac indicates Replace 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 1,092

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 B1446 Pontiac Description

OBDII Code B1446 Pontiac - Replace Backup Power Source - AutoCodes.com — B1446 Pontiac Code - Replace Backup Power Source

What does this mean?

What are the Possible Causes of the DTC B1446 Pontiac?

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 B1446 Pontiac?

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 B1446 Pontiac 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 B1446 Pontiac code?

Need more information on how to fix the B1446 Pontiac code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1446 Pontiac 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 B1446 Pontiac Code

1. What does OBDII code B1446 for Pontiac mean?

The B1446 code indicates a problem with the backup power source in the vehicle.

2. What are the common symptoms of OBDII code B1446 in a Pontiac?

Common symptoms include issues with power windows, radio, clock, and other accessories that rely on the backup power source.

3. What can cause the OBDII code B1446 to appear in a Pontiac?

The code may be triggered by a faulty backup power source module, a blown fuse, wiring issues, or a drained backup power supply.

4. How can I diagnose the backup power source problem causing the B1446 code in my Pontiac?

Diagnose the issue by checking the fuse related to the backup power source, inspecting the wiring for any damage, and testing the backup power module.

5. Can I still drive my Pontiac with the B1446 code present?

It is generally safe to drive with the B1446 code, but you may experience issues with certain electrical components that rely on the backup power source.

6. How can I repair the backup power source issue triggering the B1446 code in my Pontiac?

Repair options include replacing the backup power source module, repairing damaged wiring, and ensuring the backup power supply is functioning correctly.

7. Will disconnecting the battery reset the B1446 code in my Pontiac?

Disconnecting the battery may temporarily clear the code, but it is recommended to diagnose and fix the underlying backup power source problem to prevent the code from reappearing.

8. Can a DIY enthusiast fix the B1446 code issue in a Pontiac?

Depending on your skill level and access to tools, DIY enthusiasts may be able to diagnose and repair the backup power source problem causing the B1446 code.

9. How much does it cost to replace the backup power source in a Pontiac to resolve the B1446 code?

The cost of replacing the backup power source module in a Pontiac can vary depending on the model and labor rates, but it may range from $100 to $300.

10. Is it important to address the B1446 code in my Pontiac promptly?

While you may still be able to drive with the B1446 code present, addressing the backup power source issue promptly is recommended to avoid potential electrical problems in the future.