B27A8
Open In Outside Luggage Compartment Electrical Key Antenna Circuit
B27A8 is an OBD-II diagnostic trouble code meaning: Open In Outside Luggage Compartment Electrical Key Antenna Circuit. Common causes: broken wires in the antenna harness, antenna contact corrosion. Estimated repair cost: $56–167.
Symptoms
- Inability to open the trunk using the button on the key
- No response to trunk sensor
- Keyless Entry System Malfunction Indicator Illuminates
Causes
- Broken wires in the antenna harness
- Antenna contact corrosion
- Key antenna malfunction
- Damage to the wiring harness in the trunk area
How to Fix
- Check the integrity of the antenna wiring harness
- Inspect the antenna contacts for corrosion
- Check antenna resistance
- Replace the antenna if necessary
- Diagnose the keyless entry system control unit
Related codes
FAQ
What does the B27A8 code mean?
B27A8 is an OBD-II diagnostic trouble code that indicates: Open In Outside Luggage Compartment Electrical Key Antenna Circuit
What causes a B27A8 error code?
The most common causes of B27A8 include: Broken wires in the antenna harness; Antenna contact corrosion; Key antenna malfunction; Damage to the wiring harness in the trunk area.
How do I fix a B27A8 diagnostic trouble code?
To fix B27A8: Check the integrity of the antenna wiring harness. Inspect the antenna contacts for corrosion. Check antenna resistance. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B27A8?
Limited driving only, diagnose soon
How much does it cost to fix B27A8?
The estimated repair cost for B27A8 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat