DTC Descriptor: Notes
WARNING: This page is about a different car, the 2007 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.
This diagnostic procedure supports the following DTC:
DTC B3121 Keyless Entry Antenna 3 Performance
DTC B3121
| DTC Symptom |
DTC Symptom Descriptor |
| 02 |
Short to Ground |
| 05 |
Short to Battery or Open |