B3928 2017 Chevrolet Silverado Code - Incorrect Environmental Identifier Received from Telematics Communication Interface Control Module

The common symptoms include the check engine light illuminating, issues with the telematics system, and possibly problems with communication between vehicle modules.

OBDII code B3928 indicates that the Telematics Communication Interface Control Module has detected an incorrect environmental identifier.

Possible causes include a faulty Telematics Communication Interface Control Module, wiring issues, software glitches, or communication network problems.

Diagnosis typically involves using a professional OBDII scanner to retrieve the code, checking for other related codes, inspecting the wiring and connections, and testing the Telematics Communication Interface Control Module.

It is generally not recommended to continue driving with this code present, as it can affect the proper functioning of the telematics system and potentially lead to other issues.

Repair options may include replacing the Telematics Communication Interface Control Module, repairing any damaged wiring, updating software, or reprogramming the module as per manufacturer recommendations.

Resetting the check engine light may temporarily turn it off, but it is essential to diagnose and address the underlying issue causing the code to prevent further problems.

While some simple checks like inspecting connections can be done by a DIY enthusiast, diagnosing and repairing this code may require professional tools and expertise.

The cost of repair can vary depending on the exact cause of the code, parts needed, labor costs, and whether the repair is done at a dealership or an independent mechanic.

Since this code relates to the telematics system rather than emissions specifically, it may not directly cause a failure in an emissions test. However, it is essential to address the issue to ensure overall vehicle health.