What Is Fleet Maintenance Software (CMMS)? Preventive Service on Real Engine Hours and Kilometres

Fleet maintenance software, a CMMS (computerized maintenance management system) built for vehicles and equipment, keeps the service record for every vehicle and piece of equipment and schedules service from what each unit reports: engine hours, odometer, fault codes and inspection defects. The record shows what was done, when, by whom, at what odometer or engine-hour reading, and what it cost in parts and labour. On top of that record, the software runs the preventive maintenance schedule. Each unit has service intervals (oil at so many hours, brakes at so many kilometres, an annual inspection by date), and the software tracks each one against the unit's current reading and flags it as due, due soon or overdue. When a service comes due, it raises a work order, assigns it to the shop or a vendor, and closes the loop once the work is logged. Defects from driver inspections land in the same queue, so a DVIR that reports a cracked mirror turns into a work order instead of a paper form.

A maintenance system fed by hand runs on whatever readings someone typed in last month. Fed by telematics, it runs on the vehicle's odometer and engine hours as of this morning, and on the fault codes the engine is reporting right now. That matters most in two cases. One is equipment that barely moves: a refuse truck or a generator wears on hours, not kilometres. The other is the fault that would otherwise wait for the next scheduled visit, where a coolant temperature code at nine in the morning becomes a work order at nine-thirty instead of a tow at three. Idle time, hard use and regeneration cycles feed into the interval too, so a truck that idles half its life gets its oil changed on the hours that count.

A spreadsheet has no readings, no reminders and no work orders, and the second mechanic can't see it. Fleet maintenance software also differs from the shop management system a repair garage uses to invoice customers, though the two often connect. And it is narrower than fleet management software in general, which covers tracking, dispatch, driver behaviour and compliance. Maintenance is one module of that. In the High Point GPS platform, it consists of the maintenance reminders, fault reporting and DVIR built into the platform, plus the add-on library maintenance tools that extend them.

You get fewer breakdowns on the road, which is the expensive kind of repair. Service happens at the right interval, neither early because the calendar said so nor late from neglect. Cost per unit shows which vehicles to replace. And the maintenance record is ready for a DOT compliance review in the US, a National Safety Code facility audit in Canada or an insurer's inspection without anyone digging through binders. High Point GPS configures maintenance rules, fault alerts and DVIR for fleets across Canada and the United States, and connects add-on library maintenance tools where a fleet's shop needs more.

In both the US and Quebec, a fleet must keep a maintenance file on every commercial vehicle, show it on request and keep it for set periods. In the US the rules are FMCSA's 49 CFR Part 396. In Quebec the SAAQ sets them, and an owner can replace the periodic mechanical inspection with its own preventive maintenance program (PEP) once the SAAQ recognizes it. Other provinces apply the National Safety Code through their own regulations, so check with your provincial regulator.

Fleet maintenance software helps most where these rules are strictest. A system that stores each inspection report, links each repair to the defect that triggered it and keeps records past the retention dates hands an auditor or a roadside enforcement officer the file they ask for, without a search through binders. If you keep PEP records only in electronic form, check that the software captures the mechanic's electronic signature, which the SAAQ defines as a personal identification number with an access code that only that mechanic can use.

Here is an example schedule for a mixed fleet, with the trigger telematics supplies for each interval. The intervals are illustrative: the manufacturer's manual and your fleet's duty cycle set the real ones.

Start with the meters. Each unit should carry its own reading in engine hours, kilometres or miles, and each service should combine a meter interval with a calendar interval, whichever comes first: oil at so many hours or once a year, so a loader that sits all winter still gets its yearly service. The software should open the work order on its own when a unit comes due, and project the next due date from how much the unit actually runs, so the shop can see next week's work today.

Then check how readings get in. A technician or driver typing them in works, but a link to the telematics you already run (engine hours, odometer and fault codes read from the vehicle) keeps the schedule current without anyone touching it. After that, look at the daily work: inspections on a phone where a failed item opens a repair, work orders that carry steps, parts, labour and photos, a parts list with reorder points, and a cost per unit that adds up parts, labour, outside repairs and fuel. That cost tells you when a unit should be replaced instead of repaired.

Last, hold the records up against the rules your fleet answers to. The table matches what 49 CFR 396.3 asks of US motor carriers, and what the SAAQ asks of Quebec owners on maintenance sheets and under a recognized preventive maintenance program (PEP), with the software feature that covers each item.

FleetZap (fleetzap.com) is the maintenance software High Point GPS builds and runs, a CMMS made for equipment fleets: highway trucks next to excavators, trailers next to generators. Preventive maintenance runs by hours, kilometres, miles or the calendar, whichever comes first, for one unit, a category or a hand-picked list, and the work order opens itself when a unit comes due. Work orders carry steps, photos, parts, labour timers and problem, cause and remedy codes, including outside repairs with the vendor's cost. Drivers and operators scan the QR label on a unit to do their pre-trip or pre-use check on a phone, and a failed item opens a repair. Parts, fuel and registration, insurance and inspection due dates sit in the same system, and the cost per unit adds them up.

GPS is optional and chosen unit by unit: FleetZap works fully by hand, with meters entered by technicians or by drivers during their checks. Where you already run telematics, FleetZap connects to your Geotab, Samsara, Motive, Azuga, Verizon Connect, Webfleet, Zonar or other account, reads engine hours, odometer, location and fault codes, and turns a fault code into a work order. Invoices sync with QuickBooks Online, the software works in English and French, and the Dispatch and Rentals modules are there to switch on only if you need them. For a PEP or a 396.3 file, FleetZap's inspections take readings with limits, photos and signatures; compare the sheet you produce with the SAAQ's list above before you rely on it in an audit.