B291B 2015 Chevrolet Silverado Code - Content Theft Deterrent Sensor
Quick Answer
The Body Control Module (BCM) performs various communication fault detection tests to determine if a software, hardware, or communication concern exists with the ultrasonic intrusion sensor. Common causes include Faulty Content Theft Deterrent Sensor Module, Content Theft Deterrent Sensor Module harness is open or shorted, Content Theft Deterrent Sensor 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
- B291B 2015 Chevrolet Silverado indicates Content Theft Deterrent Sensor.
- Common causes
- Common causes include Faulty Content Theft Deterrent Sensor Module, Content Theft Deterrent Sensor Module harness is open or shorted, Content Theft Deterrent Sensor 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 B291B 2015 Chevrolet Silverado Description
What are the Possible Causes of the DTC B291B 2015 Chevrolet Silverado?
- Faulty Content Theft Deterrent Sensor Module
- Content Theft Deterrent Sensor Module harness is open or shorted
- Content Theft Deterrent Sensor Module circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B291B 2015 Chevrolet Silverado?
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 B291B 2015 Chevrolet Silverado 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 B291B 2015 Chevrolet Silverado Code
What does OBDII code B291B mean on a 2015 Chevrolet Silverado?
Code B291B indicates an issue with the content theft deterrent (CTD) sensor, which is part of the vehicle's anti-theft system.
What are the symptoms of code B291B in a 2015 Chevrolet Silverado?
Symptoms may include the anti-theft system warning light illuminating, difficulty starting the vehicle, or the alarm triggering unexpectedly.
What causes code B291B to appear on a 2015 Chevrolet Silverado?
Common causes include a faulty content theft deterrent sensor, damaged wiring or connectors, or issues with the vehicle’s Body Control Module (BCM).
Can I drive my 2015 Chevrolet Silverado with code B291B?
While the vehicle may still be drivable, the anti-theft system may not function properly, leaving your truck vulnerable to theft.
How do you diagnose code B291B on a 2015 Chevrolet Silverado?
A technician will use a scan tool to confirm the code, inspect the CTD sensor and its wiring, and check for any related BCM faults.
How do you fix code B291B on a 2015 Chevrolet Silverado?
Repairs may include replacing the faulty CTD sensor, repairing damaged wiring, or reprogramming or replacing the BCM if necessary.
What is the content theft deterrent sensor in a 2015 Chevrolet Silverado?
The CTD sensor is part of the anti-theft system that monitors unauthorized entry or tampering with the vehicle.
Can code B291B be triggered by a dead battery?
Yes, a dead or disconnected battery can sometimes cause anti-theft system codes like B291B to appear due to a loss of communication or power.
How much does it cost to fix code B291B on a 2015 Chevrolet Silverado?
Repair costs can range from $100 to $500, depending on whether the issue is with the sensor, wiring, or BCM.
Does clearing the B291B code solve the problem?
Clearing the code may temporarily remove the warning, but if the underlying issue isn’t fixed, the code will likely return.
Discuss the causes and fixes for B291B 2015 Chevrolet Silverado OBDII Code
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