B2102
Antenna Circuit Short to Ground
B2102 is an OBD-II diagnostic trouble code meaning: Antenna Circuit Short to Ground. Common causes: damage to the antenna circuit wiring harness, short circuit in the antenna. Estimated repair cost: $56–167.
Symptoms
- Remote control functions do not work (if the antenna is connected to the keys)
- SRS malfunction indicator is on
- Problems with the passive safety system
Causes
- Damage to the antenna circuit wiring harness
- Short circuit in the antenna
- SRS control unit malfunction
- Corrosion or oxidation of contacts
How to Fix
- Check the antenna circuit wiring harness for damage.
- Check antenna for short circuit
- Check contacts for corrosion and oxidation
- If necessary, replace the antenna or wiring harness
- Reset the error and check if it returns
Related codes
FAQ
What does the B2102 code mean?
B2102 is an OBD-II diagnostic trouble code that indicates: Antenna Circuit Short to Ground
What causes a B2102 error code?
The most common causes of B2102 include: Damage to the antenna circuit wiring harness; Short circuit in the antenna; SRS control unit malfunction; Corrosion or oxidation of contacts.
How do I fix a B2102 diagnostic trouble code?
To fix B2102: Check the antenna circuit wiring harness for damage.. Check antenna for short circuit. Check contacts for corrosion and oxidation. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B2102?
Do not drive — repair immediately
How much does it cost to fix B2102?
The estimated repair cost for B2102 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat