OBD Guide

B310F

Keyless Entry Transmitter 8 Battery

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

Symptoms

  • Reducing the range of the key fob
  • Unstable operation of the keyless entry system
  • Message on the dashboard about the key fob battery being low

Causes

  • Low battery in key fob
  • Key fob malfunction (rare)
  • Problems with the keyless entry wiring harness (very rare)

How to Fix

  1. Determine which key fob (number 8) is causing the error
  2. Replace the battery in the key fob (usually CR2032 or similar)
  3. Check the operation of the key fob after replacing the battery
  4. If necessary, reprogram the key fob (rarely)

Related codes

Error B310F by Vehicle Brand