Bobcat · Controls

Bobcat code H3916: Left joystick no communication

What it means

The controller can't communicate with the left joystick. Bobcat's 2020 list calls it left joystick not connected on M-Series loaders.

Can I keep running?

Stop: fix before running

No. Stop the machine safely (bucket or attachment down, engine off) and find the cause before you run it again.

Check first

Park on level ground, lower the lift arms and attachment to the ground, stop the engine and remove the key.
Check battery voltage, then clean and tighten the battery cables and ground straps. Bobcat notes that loose or corroded grounds can set several codes at once.
Inspect the left joystick connector and harness at the base of the control.
Restart and see if the code comes back. If it does, stop and call your Bobcat dealer.

Likely causes

Unplugged or loose joystick connector
Damaged harness at the joystick base
Low voltage or bad grounds
Failed joystick

The fix

Reconnecting or repairing the joystick wiring fixes many cases. Otherwise the joystick is replaced and set up by a dealer.

Different code on your screen? Snap the display and Mechy reads it.

Questions

What does Bobcat code H3916 mean?

Left joystick no communication. The controller can't communicate with the left joystick. Bobcat's 2020 list calls it left joystick not connected on M-Series loaders.

Can I keep running with H3916?

No. Stop the machine safely (bucket or attachment down, engine off) and find the cause before you run it again.

How do I fix Bobcat code H3916?

Reconnecting or repairing the joystick wiring fixes many cases. Otherwise the joystick is replaced and set up by a dealer.

Sources

Code meanings vary by model, serial range and software. Confirm with your operator's manual or Bobcat dealer before replacing parts.

Snap the display and Mechy reads the code

Take a photo of the screen and the machine, say what it is doing, and get the checks and the fix as steps with moving drawings.

Use my photo

First guide free. No sign-up, no card.