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Home › GMC › 2021 › Acadia SL › Repair and Diagnosis › Body & Frame › Door Locks › Keyless Entry System And Remote Functions › Diagnostic Information and Procedures › DTC B3120 › DTC Descriptors

DTC Descriptors

DTC B3120: Keyless Entry Antenna 2 Short to Ground
DTC B3120: Keyless Entry Antenna 2 High Voltage/Open

For symptom byte information, refer to Symptom Byte List .