OBD Guide

B3112

Keyless Entry Transmitter 4 Battery

Severity
Low
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$3–11 (est.)

Symptoms

  • Increased remote control distance
  • Slow response to button presses
  • Complete failure of the key fob

Causes

  • Low battery in key fob
  • Malfunction of the key fob power circuit
  • Problems with the battery contacts in the key fob
  • Malfunction of the key fob itself

How to Fix

  1. Replace the battery in the key fob
  2. Check the contacts of the key fob battery compartment
  3. Test the key fob after replacing the battery
  4. If necessary, reprogram the key fob

Related codes

Error B3112 by Vehicle Brand