B1A0B
Remote Keyless Entry Fob 4 Performance
B1A0B is an OBD-II diagnostic trouble code meaning: Remote Keyless Entry Fob 4 Performance. Common causes: low key fob battery, malfunction of the internal components of the key fob. Estimated repair cost: $33–167.
Symptoms
- Remote control for central locking does not work
- The system does not respond to key fob button presses
- The alarm indicator on the dashboard is flashing
Causes
- Low key fob battery
- Malfunction of the internal components of the key fob
- Problems with the keyless entry wiring harness
- Software glitches
- Interference from other electronic devices
How to Fix
- Check and replace the key fob battery
- Re-register the key fob in the car system
- Check the integrity of the keyless entry system wiring harness
- Diagnostics of the keyless entry system control module
- If necessary, replace the key fob or control module
Related codes
FAQ
What does the B1A0B code mean?
B1A0B is an OBD-II diagnostic trouble code that indicates: Remote Keyless Entry Fob 4 Performance
What causes a B1A0B error code?
The most common causes of B1A0B include: Low key fob battery; Malfunction of the internal components of the key fob; Problems with the keyless entry wiring harness; Software glitches.
How do I fix a B1A0B diagnostic trouble code?
To fix B1A0B: Check and replace the key fob battery. Re-register the key fob in the car system. Check the integrity of the keyless entry system wiring harness. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B1A0B?
Do not drive — repair immediately
How much does it cost to fix B1A0B?
The estimated repair cost for B1A0B is $33–167. Actual cost depends on your vehicle, location, and labor rates.
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