Mighty Mule Keypad & Intercom Repair Nationwide

Mighty Mule Keypad & Intercom Repair: The Southlake Owner’s Guide

We stock Mighty Mule-compatible keypads and intercom modules on our service trucks and can typically replace a failed unit the same day we arrive at your Southlake home, with most replacements running between $185 and $410 installed depending on the model and wiring condition. In Southlake, most owners discover the failure the hard way: the gate works fine from the remote or the button inside the house, but the keypad outside goes dead, or the intercom crackles and drops the call right as the Amazon driver is asking to be let in. We’ve been called out to Southlake driveways for over 40 years, and this particular part fails more often than people expect, usually because of sun exposure on the keypad face and moisture working its way into the intercom housing.

Call (817) 580-8494

Key Takeaways:

• We stock Mighty Mule keypad and intercom replacement parts on the truck for most FM and MM series models.
• Installed cost in Southlake typically runs $185 to $410, quoted and agreed before we start.
• Same-day replacement is usually possible; call (817) 580-8494 and a person answers.
• The 90-Day Done Right Promise applies to every keypad and intercom repair we complete.

Which Mighty Mule Models This Applies To

We service keypads and intercoms across the Mighty Mule FM and MM series lines, including the FM200, FM350, FM500, MM260, MM360, MM371W, MM372W, and MM572W. The keypad compatibility gotcha that trips up a lot of Southlake owners is the wiring: older FM-series keypads used a four-wire connection, while the MM-series units shifted to a two-wire digital bus, so a keypad that looks identical on the outside will not talk to a newer control board. We carry both OEM Mighty Mule replacements and quality aftermarket equivalents, and we are honest about when each makes sense: if the keypad is less than five years old and the rest of the system is solid, OEM is usually the right call; if the gate is older and the board is nearing its own retirement, a good aftermarket keypad at roughly 30% less does the job without overspending on a part the gate won’t outlive.

Ironworks Gate Co. is an independent service provider and not affiliated with Mighty Mule, but we have been installing and repairing their equipment for decades, and we keep the common keypad and intercom part numbers on hand for the models most often seen in Southlake. If you are not sure which model you have, look for the silver label on the underside of the control arm or inside the control box: the model number is printed there, and it ends with a number that tells us the era and the wiring type.

Signs Your Mighty Mule Keypad & Intercom Are Failing

• Keypad accepts the code but the gate does not move. This usually means the keypad itself is still sending signal, but the control board relay has failed, or the wiring between the keypad and board has a break. In Southlake’s clay soil, conduit can shift and nick wires over time.
• Keys feel dead or require hard pressing. The membrane keypad on Mighty Mule units degrades under direct Texas sun. UV breaks down the button contacts, and once that starts, no amount of reprogramming will bring them back.
• Intercom rings but no voice comes through. Moisture inside the intercom housing is the usual culprit; the speaker cone corrodes and goes silent. We see this frequently on gates facing north or shaded areas in Southlake where dew lingers.
• Gate opens on its own or beeps intermittently. A failing keypad sending phantom codes is a real thing, usually from internal corrosion bridging contacts. This is also the sign most often mistaken for a board problem.
• Code works sometimes but not others. Temperature swings are the tell. In Southlake, a keypad that works in the morning but dies by late afternoon on a hot day usually has a failing voltage regulator.

Replacement Cost & What’s Included

For Southlake homeowners, an installed Mighty Mule keypad replacement typically runs $185 to $265 for the keypad itself, and a full intercom replacement runs $240 to $410 depending on whether we are reusing existing wiring or running new low-voltage line. The range exists because some Southlake gates have the keypad mounted on a stone pillar where running new wire means channeling through mortar, while a keypad mounted to a flat post is a straightforward swap. Every quote we give is a square deal: the price you are quoted is the price you pay, agreed in writing before a single bolt is turned. The part, the labor, and the wiring are all included, and every job carries our 90-Day Done Right Promise. If it is not right, we come back and make it right, no paperwork, no arguing.

DIY or Call Us?

There are two things an owner can safely check before calling us: first, confirm the gate still works from the remote and the interior button, which tells us the board and motor are fine and the problem is isolated to the keypad or intercom; second, look for visible water damage or cracked housing on the keypad. Beyond that, we recommend a trained technician. Mighty Mule keypads and intercoms run off low-voltage wiring, but the control board they connect to carries line voltage, and probing the wrong terminal while the board is powered can fry the board or deliver a shock. We have also seen owners pull keypads off the post and yank the low-voltage wire out of its buried conduit, turning a $200 part replacement into a $600 rewiring job. If you are in Southlake and your keypad or intercom is acting up, call (817) 580-8494 and describe the symptom. We will tell you over the phone whether it sounds like a simple part or something deeper, and what it will cost to fix.

FAQs