OBD Guide
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B1A15

Remote Keyless Entry Fob 6 Battery Low

B1A15 is an OBD-II diagnostic trouble code meaning: Remote Keyless Entry Fob 6 Battery Low. Common causes: low battery in key fob, damaged keychain. Estimated repair cost: $1–6.

Severity
✅ Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$1–6 (est.)

Symptoms

  • Problems with remote door opening
  • Reducing the range of the key fob
  • Flashing indicator on the key fob

Causes

  • Low battery in key fob
  • Damaged keychain
  • Problems with the keyless entry system antenna

How to Fix

  1. Replace the battery in the key fob
  2. Check the functionality of the key fob after replacing the battery
  3. Test the keyless entry system for other faults

Related codes

B1A14B1A16B1A17

FAQ

What does the B1A15 code mean?

B1A15 is an OBD-II diagnostic trouble code that indicates: Remote Keyless Entry Fob 6 Battery Low

What causes a B1A15 error code?

The most common causes of B1A15 include: Low battery in key fob; Damaged keychain; Problems with the keyless entry system antenna.

How do I fix a B1A15 diagnostic trouble code?

To fix B1A15: Replace the battery in the key fob. Check the functionality of the key fob after replacing the battery. Test the keyless entry system for other faults. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B1A15?

Yes, but get it checked soon

How much does it cost to fix B1A15?

The estimated repair cost for B1A15 is $1–6. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat