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Home >> Buick >> 2016 >> Envision >> Repair and Diagnosis >> Body & Frame >> Ignition Switch/Steering Lock >> Immobilizer System >> Diagnostic Information and Procedures >> DTC B3978-B3982: Incorrect Environmental Identifier Received From Module >> Repair Instructions

Repair Instructions

Perform the Diagnostic Repair Verification after completing the repair.

Control Module References for instrument cluster, electronic brake control module, HVAC control module, inflatable restraint sensing and diagnostic Module, or telematics communication interface control module replacement, programming, and setup.

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