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Home >> Chevrolet >> 2017 >> City Express LS >> Repair and Diagnosis >> Body & Frame >> Ignition Switch/Steering Lock >> Immobilizer System >> Diagnostic Information And Procedures >> DTC B2196: Invalid Data Received From Immobilizer Control Module >> Circuit/System Description

Circuit/System Description

The body control module (BCM) verifies the key information with the immobilizer control module before allowing the vehicle to start.

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