Bobcat fault codes

Bobcat U1201-00 is the Engine Disabled code tied to Machine IQ remote disable, offered on select skid-steers, track loaders and compact machines.

Machine IQ fault codes land in your inbox only on Health and Security. Here’s what each alert shows, who else sees it, and why U1201-00 isn’t a failure.

Bobcat filter plugged codes work differently by model: the T770 says check the display and service the air filter only when required.

Bobcat DPF regen only applies to some machines: Bobcat’s own Tier 4 engines, rolled out 2013–2015, skip the DPF. How to tell which one you’re running.

Bobcat DPF cleaning cost depends on the filter’s condition: sound, ash-loaded filters clean off-machine; cracked or melted ones don’t. See how to choose.

Bobcat DPF regen codes M8541–M8564 grouped by level, plus the soot-load ladder from Bobcat’s S450 manual and why a DPF delete breaks 40 CFR 1068.101.

Bobcat seat bar codes stop the loader because Bobcat says it won’t move until the bar is down. Here’s what M1121, M1122 and M1128 mean and who fixes them.

Bobcat not in neutral code B1120-F0 reads joystick right roller on a compact wheel loader, right primary on M-Series loaders. Match code to machine.

Bobcat H7404 has no public Bobcat definition we could find, so here’s what nine documented owner reports show and what to ask your dealer.

Bobcat M6604 shows up when the loader’s controllers lose contact with the engine ECU. Get the OEM label, the sibling codes, and what owners checked first.