B1A73
Passive Entry Antenna 3 General Electric Failure
B1A73 is an OBD-II diagnostic trouble code meaning: Passive Entry Antenna 3 General Electric Failure. Common causes: open or short circuit in antenna wiring harness, passive input 3 antenna malfunction. Estimated repair cost: $56–167.
Symptoms
- Keyless entry does not work on one side of the car
- The malfunction indicator on the instrument panel lights up
- Intermittent failures in the passive input system
Causes
- Open or short circuit in antenna wiring harness
- Passive input 3 antenna malfunction
- Problems with the keyless entry system control module
- Corrosion of contacts or connectors
How to Fix
- Check the integrity of the antenna wiring harness 3
- Check the resistance and integrity of the antenna
- Inspect connectors for corrosion or damage
- Check power and ground in the antenna circuit
- If necessary, replace the antenna or wiring harness
Related codes
FAQ
What does the B1A73 code mean?
B1A73 is an OBD-II diagnostic trouble code that indicates: Passive Entry Antenna 3 General Electric Failure
What causes a B1A73 error code?
The most common causes of B1A73 include: Open or short circuit in antenna wiring harness; Passive input 3 antenna malfunction; Problems with the keyless entry system control module; Corrosion of contacts or connectors.
How do I fix a B1A73 diagnostic trouble code?
To fix B1A73: Check the integrity of the antenna wiring harness 3. Check the resistance and integrity of the antenna. Inspect connectors for corrosion or damage. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1A73?
Limited driving only, diagnose soon
How much does it cost to fix B1A73?
The estimated repair cost for B1A73 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat