OBD Guide

B3110

Keyless Entry Transmitter 2 Battery

Severity
Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$2–11 (est.)

Symptoms

  • Problems with remote door opening
  • The key fob does not respond to pressing
  • The system does not recognize the key fob to start the engine

Causes

  • Low battery in key fob
  • Key fob malfunction
  • Receiver antenna problems

How to Fix

  1. Replace the battery in the key fob
  2. Check the serviceability of the key fob
  3. Diagnose the signal receiver antenna

Related codes

Error B3110 by Vehicle Brand