B3924 2017 Chevrolet Silverado Code - Incorrect Environmental Identifier Received from Inflatable Restraint Sensing and Diagnostic Module
Quick Answer
When certain modules are programmed and configured during installation, the module learns a specific environment identifier which is unique to the vehicle. Common causes include Faulty Inflatable Restraint Sensing and Diagnostic Module, Inflatable Restraint Sensing and Diagnostic Module harness is open or shorted, Inflatable Restraint Sensing and Diagnostic 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
- B3924 2017 Chevrolet Silverado indicates Incorrect Environmental Identifier Received from Inflatable Restraint Sensing and Diagnostic Module.
- Common causes
- Common causes include Faulty Inflatable Restraint Sensing and Diagnostic Module, Inflatable Restraint Sensing and Diagnostic Module harness is open or shorted, Inflatable Restraint Sensing and Diagnostic 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 B3924 2017 Chevrolet Silverado Description
The Diagnostic Trouble Code (DTC) sets when the control module's environment identifier does not match the environment identifier stored by the BCM.
What are the Possible Causes of the DTC B3924 2017 Chevrolet Silverado?
- Faulty Inflatable Restraint Sensing and Diagnostic Module
- Inflatable Restraint Sensing and Diagnostic Module harness is open or shorted
- Inflatable Restraint Sensing and Diagnostic Module circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B3924 2017 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 B3924 2017 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 B3924 2017 Chevrolet Silverado Code
What does the OBDII code B3924 mean for a 2017 Chevrolet Silverado?
Code B3924 indicates that the Inflatable Restraint Sensing and Diagnostic Module (SDM) has received an incorrect environmental identifier, which may point to communication issues or module mismatch.
What are the common symptoms of code B3924 in a 2017 Chevrolet Silverado?
Common symptoms include an illuminated airbag warning light, possible malfunction alerts on the dashboard, and the airbags potentially being disabled.
What causes code B3924 in a 2017 Chevrolet Silverado?
This code can be caused by a mismatched or incorrectly programmed replacement module, faulty wiring, communication errors, or a malfunctioning Inflatable Restraint Sensing and Diagnostic Module (SDM).
Can I drive my 2017 Chevrolet Silverado with code B3924?
It’s not recommended to drive with this code active, as it may indicate that the airbag system is not functioning properly, which can compromise safety in the event of a collision.
How do I diagnose code B3924 in a 2017 Chevrolet Silverado?
Diagnosis typically involves scanning the vehicle with a professional-grade OBDII scanner, checking the SDM for proper programming, inspecting wiring and connectors, and verifying module compatibility.
How can I fix code B3924 in a 2017 Chevrolet Silverado?
Repairs may involve reprogramming or replacing the SDM, ensuring that the correct environmental identifier is set, repairing damaged wiring, or replacing faulty connectors.
Does code B3924 require reprogramming the Inflatable Restraint Sensing and Diagnostic Module?
Yes, if the code is related to incorrect programming or mismatch, the SDM may need to be reprogrammed or replaced to match the vehicle’s specifications.
Can a dead battery cause code B3924 in a 2017 Chevrolet Silverado?
While a dead or weak battery is not a common cause, power interruptions during module programming or updates can lead to this code being set.
Are there any recalls related to code B3924 on a 2017 Chevrolet Silverado?
You should check with your local dealer or Chevrolet’s official website for any recalls related to the airbag system or SDM for your specific vehicle.
How much does it cost to fix code B3924 in a 2017 Chevrolet Silverado?
Repair costs can vary but typically range from $150 to $600, depending on whether reprogramming, wiring repairs, or module replacement is required.
Discuss the causes and fixes for B3924 2017 Chevrolet Silverado OBDII Code
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