OBD Guide
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B1A10

Remote Keyless Entry Fob 1 Battery Low

B1A10 is an OBD-II diagnostic trouble code meaning: Remote Keyless Entry Fob 1 Battery Low. Common causes: low battery key fob, damage to the key fob. Estimated repair cost: $6–22.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$6–22 (est.)

Symptoms

  • Reduced range of the key fob
  • Unstable operation of the remote control
  • Warning indication on the instrument panel

Causes

  • Low battery key fob
  • Damage to the key fob
  • Signal reception antenna malfunction

How to Fix

  1. Replace the battery in the key fob
  2. Check the functionality of the key fob after replacing the battery
  3. Replace the key fob if necessary

Related codes

B1A11B1A12

FAQ

What does the B1A10 code mean?

B1A10 is an OBD-II diagnostic trouble code that indicates: Remote Keyless Entry Fob 1 Battery Low

What causes a B1A10 error code?

The most common causes of B1A10 include: Low battery key fob; Damage to the key fob; Signal reception antenna malfunction.

How do I fix a B1A10 diagnostic trouble code?

To fix B1A10: Replace the battery in the key fob. Check the functionality of the key fob after replacing the battery. Replace the key fob if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1A10?

Yes, but get it checked soon

How much does it cost to fix B1A10?

The estimated repair cost for B1A10 is $6–22. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat