B3928

Incorrect Environmental Identifier Received from Telematics Communication Interface Control Module

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine light comes on
Problems connecting to telematics services
Remote control malfunctions

Causes

Telematics module software failure
Damage to telematics module wiring harness
Contact corrosion
Data mismatch in module memory

How to Fix

Check connections and wiring harness of telematics module
Flash or update module software
Replace the telematics module if necessary
Check the CAN bus for errors

Related codes

U0100 U0121 B3927