B2A0E
Mute Line Circuit
B2A0E is an OBD-II diagnostic trouble code meaning: Mute Line Circuit. Common causes: open or short circuit in wiring harness, malfunction of the audio system (head unit). Estimated repair cost: $56–167.
Symptoms
- No sound from the audio system
- Problems with the 'Mute' function (does not work)
- Bluetooth or phone problems
- Malfunctions of the multimedia system
Causes
- Open or short circuit in wiring harness
- Malfunction of the audio system (head unit)
- Poor contact in connectors
- Damage to the control unit (ECU)
- Circuit Grounding Problems
How to Fix
- Check the wiring harness for breaks or damage
- Inspect the audio system connectors for oxidation or poor contact.
- Test the audio system with a multimeter
- If necessary, replace the audio head or repair the wiring harness
- Reset the error using an OBD-II scanner and check if it returns
Related codes
FAQ
What does the B2A0E code mean?
B2A0E is an OBD-II diagnostic trouble code that indicates: Mute Line Circuit
What causes a B2A0E error code?
The most common causes of B2A0E include: Open or short circuit in wiring harness; Malfunction of the audio system (head unit); Poor contact in connectors; Damage to the control unit (ECU).
How do I fix a B2A0E diagnostic trouble code?
To fix B2A0E: Check the wiring harness for breaks or damage. Inspect the audio system connectors for oxidation or poor contact.. Test the audio system with a multimeter. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B2A0E?
Yes, but get it checked soon
How much does it cost to fix B2A0E?
The estimated repair cost for B2A0E is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat