AutoCodes – GMC – B291A GMC

B291A GMC 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 GMC 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.

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Code Popularity 1,278

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 Feb 19, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B291A GMC Description

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. No external circuits are involved. The Diagnostic Trouble Code (DTC) sets when the Body Control Module has detected an internal failure within the Power Sounder Content Theft Deterrent Alarm Module.

OBDII Code B291A GMC - Content Theft Deterrent Assembly - AutoCodes.com — B291A GMC Code - Content Theft Deterrent Assembly

What does this mean?

What are the Possible Causes of the DTC B291A GMC?

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 GMC?

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 GMC 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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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 B291A GMC Code

1. What does the OBDII code B291A GMC for Content Theft Deterrent Assembly mean?

The B291A code indicates a problem with the Content Theft Deterrent Assembly in your GMC vehicle.

2. What are common symptoms of the B291A GMC code?

Common symptoms of the B291A code may include issues with the vehicle's anti-theft system, such as the alarm not working properly or the vehicle not starting.

3. What can cause the B291A GMC code to trigger?

The B291A code can be triggered by a fault in the Content Theft Deterrent Assembly, a faulty antitheft module, wiring issues, or a weak car battery.

4. How can I diagnose the B291A GMC code?

Diagnosing the B291A code typically involves using a diagnostic scanner to retrieve the specific fault code, inspecting the wiring and connections related to the Content Theft Deterrent Assembly, and testing the antitheft system components.

5. How do I repair the B291A GMC code?

Repairing the B291A code may involve replacing a faulty Content Theft Deterrent Assembly module, repairing damaged wiring, or resetting the antitheft system through a relearn procedure.

6. Can I drive my vehicle with the B291A GMC code?

It is not recommended to drive your vehicle with the B291A code present, as it may indicate a potential security issue or prevent your vehicle from starting.

7. How much does it cost to fix the B291A GMC code?

The cost of fixing the B291A code can vary depending on the cause of the issue, but it may range from a few hundred dollars for simple repairs to more significant costs for module replacements.

8. Can I reset the B291A GMC code myself?

Resetting the B291A code may be possible by using a diagnostic scanner to clear the code after addressing the underlying issue with the Content Theft Deterrent Assembly.

9. How often does the B291A GMC code occur in vehicles?

The B291A code related to the Content Theft Deterrent Assembly can occur in GMC vehicles that have issues with their anti-theft systems, but the frequency may vary depending on the vehicle's age and maintenance history.

10. Is the B291A GMC code a serious problem?

The B291A code should be addressed promptly to ensure the proper functioning of the vehicle's anti-theft system and to prevent potential security risks or starting issues.