LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2012 >> Regal Base >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Keyless Entry System And Remote Functions >> Diagnostic Information and Procedures >> Diagnostic Code Index
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Code Index

DIAGNOSTIC CODE INDEX

DTC Description
DTC B3101  DTC B3101 00 Keyless Entry Data Link Circuit
DTC B3105  DTC B3105 00 Keyless Entry System Transmitters
DTC B3106  DTC B3106 00 Keyless Entry Data Link
DTC B3109-B3113  DTC B3109 00 Keyless Entry Transmitter 1 Battery
DTC B3110 00 Keyless Entry Transmitter 2 Battery
DTC B3111 00 Keyless Entry Transmitter 3 Battery
DTC B3112 00 Keyless Entry Transmitter 4 Battery
DTC B3113 00 Keyless Entry Transmitter 5 Battery
DTC B310D-B310F  DTC B310D 00 Keyless Entry Transmitter 6 Battery
DTC B310E 00 Keyless Entry Transmitter 7 Battery
DTC B310F 00 Keyless Entry Transmitter 8 Battery
DTC B3119  DTC B3119 02 Keyless Entry Antenna 1 Short to Ground
DTC B3119 05 Keyless Entry Antenna 1 High Voltage/Open
DTC B3120  DTC B3120 02 Keyless Entry Antenna 2 Short to Ground
DTC B3120 05 Keyless Entry Antenna 2 High Voltage/Open
DTC B3121  DTC B3121 02 Keyless Entry Antenna 3 Short to Ground
DTC B3121 05 Keyless Entry Antenna 3 High Voltage/Open
DTC B3122  DTC B3122 02 Keyless Entry Antenna 4 Short to Ground
DTC B3122 05 Keyless Entry Antenna 4 High Voltage/Open
DTC B3123  DTC B3123 02 Keyless Entry Antenna 5 Short to Ground
DTC B3123 05 Keyless Entry Antenna 5 High Voltage/Open
DTC B3124  DTC B3124 02 Keyless Entry Antenna 6 Short to Ground
DTC B3124 05 Keyless Entry Antenna 6 High Voltage/Open