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Home >> Chevrolet >> 2019 >> Trax LS, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 97 (Keyless Entry System And Remote Functions) >> Diagnostic Information and Procedures >> DTC B3121 >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2018 Chevrolet Trax and 2018 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.

B3121 02 

The keyless entry control module detects a short to ground on the rear fascia keyless entry antenna signal circuit.

B3121 05 

The keyless entry control module detects a short to B+ or an open on the rear fascia keyless entry antenna signal circuit.

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