B1446 Buick 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 Buick 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.
Code B1446 Buick Description
What are the Possible Causes of the DTC B1446 Buick?
- 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 Buick?
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 Buick 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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Frequently Asked Questions about B1446 Buick Code
1. What are the common symptoms of OBDII code B1446 in a Buick?
The common symptoms include issues with the power windows, power seats, and other electrical components not working properly.
2. What does the OBDII code B1446 in a Buick indicate?
OBDII code B1446 indicates a fault with the backup power source, affecting the operation of various electrical systems in the vehicle.
3. What are the possible causes of OBDII code B1446 in a Buick?
The possible causes include a faulty backup power source module, wiring issues, blown fuses, or a malfunctioning control module.
4. How can I diagnose OBDII code B1446 in my Buick?
Diagnosing OBDII code B1446 involves using a diagnostic scanner to retrieve the trouble codes, checking the backup power source module and related components for any visible damage, and testing the electrical connections.
5. Can I still drive my Buick with OBDII code B1446?
It is not recommended to drive the vehicle with OBDII code B1446, as it can lead to further electrical problems and potential safety hazards.
6. How do I repair OBDII code B1446 in my Buick?
To repair OBDII code B1446, you may need to replace the backup power source module, repair any damaged wiring, and reset the fault codes using a diagnostic scanner.
7. Are there any DIY tips for fixing OBDII code B1446 in a Buick?
While some basic troubleshooting steps can be taken, it is advisable to consult a professional mechanic for accurate diagnosis and repair of OBDII code B1446.
8. How much does it cost to fix OBDII code B1446 in a Buick?
The cost of fixing OBDII code B1446 can vary depending on the extent of the damage and the parts needed, but it typically ranges from $200 to $500 for parts and labor.
9. Can OBDII code B1446 in a Buick cause other issues if left untreated?
Yes, leaving OBDII code B1446 untreated can lead to further electrical problems in the vehicle, affecting the overall performance and safety.
10. Is it necessary to reset the OBDII codes after repairing B1446 in a Buick?
Yes, it is important to reset the OBDII codes after repairing B1446 to clear the fault codes and ensure proper operation of the vehicle's systems.
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