A modern truck streams 1,000+ data points a minute and its engine computer can throw 300 to 400 fault codes a month — nearly all of them noise. That flood is exactly why fleets drown in telematics and still get surprised on the shoulder: the one reading that moved before the failure was buried under hundreds that didn't. The useful skill isn't more data — it's knowing the short list of signals that truly forecast a repair, and acting on each one fast. That second part is exactly what Truck Inspection & Maintenance Management Software (TIM) is built to help with — turning a signal into a tracked, closed repair instead of another ignored alert. Start free and put TIM to work on your fleet's signals.

TIM · Inspection & Signals → Work Orders → PM

A Signal Nobody Acts On Is Just a Breakdown With a Head Start.

The warning almost always shows up early — in a telematics trend or a pre-trip inspection, days or weeks before the truck quits. What's missing isn't data; it's the workflow to act on it. Truck Inspection & Maintenance Management Software (TIM) runs that loop end to end: a DVIR defect or a flagged signal becomes a graded work order, routes to the right technician by severity, and sets the next PM by mileage, engine hours, and fault condition — on one record, nothing re-typed, nothing forgotten.

Our promise: every flagged defect or signal gets a 4-hour first response — acknowledged, graded, and assigned.
EVERY MINUTE
1,000+
data points per truck
→
EVERY MONTH
300–400
fault codes — mostly noise
→
WHAT PREDICTS
~6
signals that move first

Signal vs. Noise — The One Idea This Rests On

Prediction only works on data that moves before the failure. A warning light is already too late — the part is failing by the time it glows. The real signals drift in the days and weeks beforehand, and you spot them the same way every time: compare a reading to that truck's own baseline, not a fleet average. One fault code is noise; the same code firing more each week is a signal.

LAGGING — TOO LATE
  • Warning light already on
  • Active derate limiting power
  • A single code, read once
  • Truck already on the shoulder
LEADING — IN TIME
  • A code's frequency climbing week over week
  • Fuel economy sliding off the truck's own average
  • Pressures and temperatures drifting off baseline
  • Regens coming closer together

Get that right and the rest is just knowing which readings lead — and TIM does the comparing for you, trending each reading against the truck's own history so a real signal stands out from the noise. Contact our team to map the signals your trucks already stream.

The Top Signals That Actually Predict a Repair

Each of these drifts before the part behind it quits — and each buys lead time if you catch the trend, not the alarm.

1Lead: 2–8 weeks
Rising fault-code frequency
READS

How often one code (SPN/FMI) fires, day over day.

PREDICTS

The part behind it is degrading — rising frequency is the trend; a one-off is noise.

ACT FAST

Trend it per truck; queue the repair when it climbs.

2Lead: weeks
Fuel-economy slip vs. itself
READS

MPG against the truck's own recent average — not the fleet's.

PREDICTS

A clogging filter, failing injectors, dragging brakes, or soft tires — before any light.

ACT FAST

Compare each truck to itself; chase the lone slip in a pod.

3Lead: days–weeks
DPF pressure & regen frequency
READS

Pressure across the filter and how often it forces a regen.

PREDICTS

Aftertreatment strain heading for a derate — regens closing in is the tell.

ACT FAST

Fix it at the advisory stage; a cleaning beats a roadside derate.

4Lead: days–weeks
Charging-system voltage sag
READS

System voltage at cranking and under load, vs normal.

PREDICTS

The most avoidable roadside no-start — a fading battery or alternator.

ACT FAST

Flag the dip; swap on your schedule, not the shoulder's.

5Lead: days–weeks
Coolant-temperature creep
READS

Running coolant temp vs normal for the load and grade.

PREDICTS

Water pump, radiator, thermostat, or fan clutch heading for an overheat.

ACT FAST

Watch the baseline drift up, not just the alarm.

6Lead: 3–10 weeks
Oil-pressure & wheel-end heat
READS

Oil-pressure trend plus hub temperature and vibration.

PREDICTS

Engine-bearing wear and wheel-end failure — costly and dangerous.

ACT FAST

Trend slowly; a hot hub is a bearing talking weeks ahead.

Not one of these is a warning light — every one is a trend, worthless unless it reaches someone who acts, which is exactly the handoff TIM closes. Start free and put every signal in front of the right person with TIM.

Act on Each One — Fast

A signal is only as good as the response it triggers. Don't treat them all the same — sort by lead time into three lanes, and each gets the response it deserves.

ACT NOW · hours to days
Active derate codes · safety faults · voltage sag on a truck due out · DPF in a high regen zone
Pull or route to the nearest bay before the next dispatch.
WATCH THIS WEEK · 1–4 weeks
Climbing fault-code frequency · fuel-economy slip · coolant-temperature creep
Queue into the next planned service — don't let it ride.
PLAN THIS MONTH · 3–10 weeks
Oil-pressure drift · wear-metal trend · slow tire-pressure decline
Plan the part and bay time while the fix is still cheap.

Three lanes, not one inbox — and TIM sorts every flag into the right one automatically, which is the difference between a predictive program that sticks and one that dies of alert fatigue. Contact our team to set severity lanes for your fleet.

How TIM Helps

The Software That Turns Every Signal Into a Closed, Certified Repair

The signal is the easy part; the money is in the response — and that's the job TIM is built for. Most predictions die because the flag lands in a dashboard nobody opens, or never becomes a work order. TIM closes that gap: a flagged condition — a driver's pre-trip defect or a reading off its baseline — becomes a graded, routed, certified work order on one record, with nothing re-typed or forgotten. Here's where the software helps on each front.

1Signal flagged
→
2Graded work order
→
3Right tech notified
→
4Repair certified
Severity-based routingEach flag lands in the right lane, so urgency is automatic.
Finding becomes a work orderA defect or flag turns into a work order — no re-keying, no lost slip.
Per-unit historyEvery truck carries its own baseline, so a drift finally reads as a signal.
PM by mileage, hours & faultsService scheduled on real condition — an advisory queues the next PM.
Photo & notes carriedEvidence rides with the order; no re-diagnosing from zero.
Nothing falls throughOpen items stay visible until certified against the original flag.

Frequently Asked Questions

Which signal is the single best predictor?
There isn't one — that's the point. The strongest predictions come from watching a few signals as trends against each truck's own baseline: fault-code frequency, fuel-economy slip, DPF pressure and regen frequency, voltage sag, coolant creep, and oil-pressure or wheel-end drift. Any single reading is weak; the same one moving the wrong way over weeks is what forecasts a repair. Start free and trend these per truck with TIM.
How far ahead can a signal warn me?
It depends on the signal. Voltage sag or a DPF in a high regen zone gives days to a couple of weeks. Fault-code frequency trends run two to eight weeks. Slow mechanical wear — bearings and engine internals read through oil pressure and wheel-end heat — can warn three to ten weeks out. The earliest signals are the cheapest to act on.
Why does my team ignore most telematics alerts?
Alert fatigue. A single truck can throw 300 to 400 fault codes a month, and if every one is forwarded with equal weight, the real warning drowns — so techs clear the whole list to make it stop. The fix is severity scoring and routing, so only the signals that predict a repair reach someone, sorted by how fast they need a response.
Do I need new hardware for this?
Usually no. These signals already stream from the telematics and onboard diagnostics your trucks have. What's missing is a baseline per truck, severity routing, and a way to turn a flag into a work order without re-typing it — so the signal reaches the shop as an action, not a line in a dashboard.
Signal · Trend · Route · Certify

Stop Collecting Data You Never Act On

Your trucks already tell you what's about to break — the warning is in the trend, weeks before the light. The fleets that win get the few signals that matter in front of the right person and turn each into a closed, certified repair. That's the whole job of TIM — the inspection and maintenance management software that carries a signal from flagged to fixed, on one record, so nothing you spot ever goes to waste.

No credit card required · Free for up to 3 trucks · Severity routing, per-unit history, and certified closure built in