B3984

Device 1 Environment Identifier Not Programmable

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Incorrect operation of electronic systems
Check Engine Light Illuminates
Reduced engine performance

Causes

Control module malfunction
Wiring harness damage
Software error

How to Fix

Check the wiring harness for damage
Scan your system for other errors
Try reprogramming the control module
If necessary, replace the control module

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