Most fleets already have a preventive maintenance program. Oil changes are scheduled, inspections are completed, and service intervals are followed. However, breakdowns still happen. During the latest Driving Success webinar, DQM Connect and Optimum Fleet Health explored how fleet predictive maintenance can help fill the gaps between scheduled services and give fleets more time to act before developing problems become roadside emergencies.
The key takeaway is simple: preventive and predictive maintenance are not competing strategies. The strongest fleet maintenance programs use both.
Preventive Maintenance Builds the Foundation
Preventive maintenance is based on a schedule. Fleets service vehicles according to mileage, engine hours, manufacturer recommendations, or established maintenance intervals.
That consistency provides several important benefits. It helps fleets maintain documented service records, support compliance, reduce normal wear, and extend vehicle life.
However, scheduled maintenance has one major limitation: the schedule does not know the actual condition of an individual truck.
Two identical vehicles can have the same maintenance schedule while experiencing completely different operating conditions. One may spend most of its time cruising on the highway. Another could operate in stop-and-go traffic with heavier loads and different drivers.
Those differences can cause components to deteriorate at very different rates.
Predictive Maintenance Watches What Happens Between Services
Predictive maintenance approaches the problem differently.
Instead of asking when a vehicle is scheduled for service, it asks which vehicle needs attention right now.
Using telematics and vehicle data, fleets can monitor developing faults and changes in vehicle condition between scheduled shop visits. When a concerning trend appears, the maintenance team has an opportunity to investigate before the driver experiences a warning light, derate, or breakdown.
That distinction makes fleet predictive maintenance especially valuable as vehicles become more complex.
Modern trucks contain more sensors, emissions equipment, and interconnected systems than ever before. At the same time, maintenance departments face increasing parts costs, labor expenses, and technician shortages.
Giving maintenance teams more time to plan can make a major operational difference.
Catching Problems Before They Become Expensive Failures
The webinar highlighted a real-world engine misfire detected by Optimum Fleet Health.
The system identified a cylinder three misfire that progressed from a low alert to medium and eventually high severity. During that progression, the truck remained operational and had not yet displayed a check-engine light.
Because the maintenance team received the warning early, the truck could be brought in for inspection before the issue became catastrophic.
The eventual repair involved an engine piston sleeve replacement costing roughly $6,000 and approximately one day of downtime.
Had the problem continued until engine failure, the webinar presenters estimated that the resulting tow, engine rebuild, and extended downtime could have turned it into a $50,000 to $70,000 event.
The repair itself was not eliminated. Instead, predictive maintenance changed its timing, severity, and operational impact.
Turning Roadside Emergencies Into Scheduled Repairs
Another example involved a developing sensor issue that could have eventually caused a vehicle derate.
Again, the predictive system detected the trend before a dashboard warning appeared.
The maintenance department scheduled the repair proactively. Instead of dealing with a roadside derate, tow, emergency diagnostics, delayed freight, and potentially lengthy downtime, the fleet completed a planned sensor replacement in only a few hours.
This highlights one of the most important benefits of predictive maintenance.
The biggest savings are not always found on the repair invoice. They can come from avoiding everything that surrounds an unexpected failure.
A roadside breakdown can affect the driver, customer, load, dispatcher, maintenance department, technician schedule, towing costs, and overall fleet capacity.
A planned repair is far easier to manage.
Give Maintenance Teams More Time to Plan
Early warnings also help improve everyday maintenance operations.
When a developing issue is identified before it becomes urgent, maintenance teams can investigate the problem, order parts ahead of time, and potentially coordinate the repair with an upcoming preventive maintenance visit.
That creates several advantages:
- Fewer emergency repairs
- Less last-minute diagnostic work
- Better technician productivity
- Improved parts planning
- More predictable shop schedules
- Reduced unplanned vehicle downtime
- Greater fleet uptime
For maintenance teams already working through technician shortages and demanding schedules, reducing emergency work can provide significant value.
Cut Through the Noise From Vehicle Alerts
More vehicle data does not automatically make fleet management easier.
Fleet managers may receive large numbers of telematics faults every day. The challenge becomes determining which alerts represent real risks and which require immediate attention.
Predictive maintenance systems can help interpret those trends and prioritize developing problems instead of simply adding another stream of alerts for the maintenance department to manage.
The goal is not more data. It is better information that helps the fleet make a decision.
Preventive and Predictive Maintenance Work Together
One of the biggest misconceptions discussed during the webinar was that predictive maintenance can replace traditional preventive maintenance.
It cannot.
Preventive maintenance remains the foundation of a successful fleet maintenance program. Predictive technology adds another layer by monitoring vehicle condition between those scheduled visits.
Together, the two strategies provide a more complete picture.
Preventive maintenance asks:
When should this vehicle be serviced?
Predictive maintenance asks:
Which vehicle needs attention now?
As fleets collect more useful vehicle data, those insights may even help them make smarter decisions about maintenance intervals based on how their vehicles actually operate.
Stay Ahead Instead of Reacting to Breakdowns
Breakdowns cannot always be eliminated. Parts wear out, components fail, and repairs remain part of operating a commercial fleet.
The opportunity is to gain more control over when and how those repairs happen.
By combining preventive maintenance with fleet predictive maintenance, fleets can identify developing problems sooner, schedule repairs more effectively, improve shop productivity, and reduce the disruption caused by unexpected roadside failures.
Instead of waiting for the truck to decide when maintenance happens, fleets can increasingly make that decision themselves.
Explore More Fleet Optimization Technology
Predictive maintenance is only one part of building a smarter, more connected fleet. Through VLC’s TripDAWG technology solutions, fleets can explore Optimum Fleet Health along with other technology partners designed to improve maintenance, telematics, safety, visibility, and overall fleet performance.
Want to see what else is available? Explore TripDAWG Fleet Technology to learn more about Optimum Fleet Health and other solutions that can help optimize your fleet.
Build a Smarter Fleet Safety and Maintenance Strategy
Better fleet management depends on having the right information before a small problem becomes a much larger one.
DQM Connect helps fleets bring greater visibility, organization, and control to their safety and compliance programs while connecting teams with solutions designed to keep vehicles and drivers moving.
Ready to strengthen your fleet operations? Schedule a Demo and see how DQM Connect can help you build a more proactive approach to fleet management.
Stay Safe, Stay Compliant and Keep Driving Success