B291A Chevrolet Code - Content Theft Deterrent Assembly
Quick Answer
The Body Control Module (BCM) performs various internal fault detection tests to determine if a software or hardware concern exists within the Power Sounder Content Theft Deterrent Alarm Module. Common causes include Faulty Power Sounder Content Theft Deterrent Alarm Module, Power Sounder Content Theft Deterrent Alarm Module harness is open or shorted, Power Sounder Content Theft Deterrent Alarm Module 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
- B291A Chevrolet indicates Content Theft Deterrent Assembly.
- Common causes
- Common causes include Faulty Power Sounder Content Theft Deterrent Alarm Module, Power Sounder Content Theft Deterrent Alarm Module harness is open or shorted, Power Sounder Content Theft Deterrent Alarm Module 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 B291A Chevrolet Description
What are the Possible Causes of the DTC B291A Chevrolet?
- Faulty Power Sounder Content Theft Deterrent Alarm Module
- Power Sounder Content Theft Deterrent Alarm Module harness is open or shorted
- Power Sounder Content Theft Deterrent Alarm Module circuit poor electrical connection
How to Fix the DTC B291A 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 B291A 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 B291A Chevrolet code?
Need more information on how to fix the B291A Chevrolet code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B291A Chevrolet code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B291A Chevrolet Code
1. What does the OBDII code B291A mean on a Chevrolet?
The code B291A indicates an issue with the Content Theft Deterrent Assembly, often related to the vehicle's theft protection system not functioning properly.
2. What are common symptoms of the B291A code in a Chevrolet?
Symptoms can include the anti-theft system failing to arm or disarm, security warning lights on the dashboard, or difficulty starting the vehicle.
3. What causes the B291A code to appear?
Common causes include a malfunctioning theft deterrent module, wiring issues, a blown fuse, or problems with the key fob communication.
4. How can I fix the B291A code on my Chevrolet?
Repairs may involve inspecting and repairing wiring, replacing the theft deterrent module, reprogramming the key fob, or checking for and replacing blown fuses.
5. Can a weak battery cause the B291A code to appear?
Yes, a weak or failing battery can affect the anti-theft system's operation and potentially trigger the B291A code.
6. How do I diagnose the B291A code on a Chevrolet?
Use a diagnostic scanner to confirm the code, inspect the theft deterrent module and its wiring, and check the key fob for proper functionality.
7. Is it safe to drive with the B291A code present?
While it may not affect driving, the anti-theft system might not work as intended, leaving the vehicle vulnerable to theft.
8. Does the B291A code require professional repair?
If basic checks like fuses or battery replacement don’t resolve the issue, seeking professional diagnosis and repair may be necessary.
9. Can the B291A code be cleared without repairs?
Clearing the code without addressing the underlying issue may temporarily remove it, but it will likely return until the problem is fixed.
10. Does replacing the key fob fix the B291A code?
If the issue is related to the key fob’s communication, replacing or reprogramming the fob could resolve the code, but other causes should also be ruled out.
Discuss the causes and fixes for B291A Chevrolet OBDII Code
Code B291A Chevrolet comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
