What does it mean?
B2102 is a Body (airbags, seat belts, body electronics) fault code. It indicates: Antenna Circuit Short to Ground.
Antenna Circuit Short to Ground
Severity
Medium
Can I keep driving?
Usually drivable, but get it diagnosed without delay.
How is this code read?
This is a standard OBD-II code; any basic scanner reads it on vehicles built after 2004.
- BBody
- 2Manufacturer-specific
- 1Body
- 02Sequence number
Codes From the Same System
All Fault Codes- B0001Driver Frontal Stage 1 Deployment Control
- B0002Driver Frontal Stage 2 Deployment Control
- B0003Driver Frontal Stage 3 Deployment Control
- B0004Driver Knee Bolster Deployment Control
- B0005Collapsible Steering Column Deployment Control
- B0010Passenger Frontal Stage 1 Deployment Control
- B0011Passenger Frontal Stage 2 Deployment Control
- B0012Passenger Frontal Stage 3 Deployment Control
Related Similar Codes
- B2100Door Driver Key Cylinder Switch Failure
- B2101Head Rest Switch Circuit Failure
- B2103Antenna Not Connected
- B2104Door Passenger Key Cylinder Switch Failure
- B2105Throttle Position Input Out of Range Low
- B2106Throttle Position Input Out of Range High
- B2107Front Wiper Motor Relay Circuit Short to Vbatt
- B2108Trunk Key Cylinder Switch Failure
This information follows the generic OBD-II definition and does not replace a vehicle-specific diagnosis. The severity rating is rule-based; an authorised diagnostic reading is required for a definitive answer.