TRK-104DR-2214
2021 Freightliner Cascadia Β· VIN ending 4471
- What Rooutiq observed
- NOx sensor circuit fault, provider-confirmed, 3 sightings
- Exhaust temperature trend rising over 6 weeks
- DPF regeneration service completed 7 weeks prior
- What Rooutiq believes
- Probable failure: NOx sensor (outlet)
- Severity: high
- Estimated window: 12 days
Confidence
81%
Reliability
Corroborated
- Why Rooutiq believes it
- 3 independent evidence groups fired
- Telemetry trend + diagnostic fault + maintenance history
- No conflicting evidence recorded
- What Rooutiq recommends
- Inspect within 2 weeks
- Part identified: NOx sensor, outlet β fitment verified to VIN
- Estimated repair cost: $640
- What happens next
- Work order raised in the fleet's CMMS
- Parts request prepared, pending authorization
- Assigned to the maintenance queue
- What was actually done
- Sensor replaced, 9 days after the decision
- Outcome verified by the technician
- Prediction resolved against the repair record
- What controls applied
- Automated procurement: not enabled for this fleet
- Spend authority: not verified β purchase left to a human
- Policy version and readiness state frozen on the record
- What was recorded
- Immutable decision record with its full input snapshot
- Actor, model version and policy version stamped
- Retained for audit; never rewritten by a later decision