LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 2021 >> Acadia SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 346 (Keyless Entry System And Remote Functions) >> Diagnostic Information and Procedures >> DTC B3121 >> Diagnostic Fault Information
September 30: LEMON manuals is back up on a temporary server! Slowness is possible

Diagnostic Fault Information

WARNING: This page is about a different car, the 2023 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
Keyless Entry Antenna Signal - Rear Fascia B3121 02 B3121 05 B3121 05 -
Keyless Entry Antenna Low Reference - Rear Fascia B3121 02 B3121 05 B3121 05 -
scientia non olet · About LEMON Manuals