B3122
Keyless Entry Antenna 4
B3122 is an OBD-II diagnostic trouble code meaning: Keyless Entry Antenna 4. Common causes: damage to antenna 4, open or short circuit in wiring harness. Estimated repair cost: $56–167.
Symptoms
- Problems opening doors using keyless entry
- Difficulty starting the engine with the button
- The system does not recognize the key in certain areas of the vehicle
Causes
- Damage to antenna 4
- Open or short circuit in wiring harness
- Malfunction of the keyless entry system control module
- Antenna power problems
How to Fix
- Check antenna integrity 4
- Check wiring harness for damage
- Check antenna power and ground
- Scan the control module for additional errors
- If necessary, replace the antenna or wiring harness
Related codes
Error B3122 by Vehicle Brand
FAQ
What does the B3122 code mean?
B3122 is an OBD-II diagnostic trouble code that indicates: Keyless Entry Antenna 4
What causes a B3122 error code?
The most common causes of B3122 include: Damage to antenna 4; Open or short circuit in wiring harness; Malfunction of the keyless entry system control module; Antenna power problems.
How do I fix a B3122 diagnostic trouble code?
To fix B3122: Check antenna integrity 4. Check wiring harness for damage. Check antenna power and ground. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B3122?
Limited driving only, diagnose soon
How much does it cost to fix B3122?
The estimated repair cost for B3122 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat