B310E

Keyless Entry Transmitter 7 Battery

Severity

✅ Low

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$6–33 (est.)

Symptoms

Problems with key fob recognition
The need to bring the key fob closer to the car for operation
The malfunction indicator on the dashboard lights up

Causes

Low battery in key fob
Key fob malfunction
Problems with the signal receiver
Broken or damaged keyless entry system wiring harness

How to Fix

Replace the battery in the key fob
Check the operation of the key fob after replacing the battery
If the error persists, diagnose the key fob and signal receiver
Check the integrity of the keyless entry system wiring harness

Related codes

B310D B310F B3110