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Back[ Coventa ]Case Study

[ AFTERSALES & DEALER OPERATIONS ]LIVE

Hub Customer Service for Automotive Dealerships

Service that calls the customer before the customer calls the dealer. Hub identifies vehicles heading for a fault from connected-vehicle diagnostics and service history, works out which parts the repair needs, checks them against workshop inventory, and briefs the service adviser before the outreach call is made.

HUB // AFTERSALESVehicles heading for a fault
Hub Aftersales/Vehicles heading for a fault
Streaming telemetryLast sync 12s ago

Monitored assets

VINCustomerModelDTCRiskTrend
…7HK2210R. Mehta2023 SUV 2.0TP0420 · catalystCall today
…3QL0087A. Fischer2022 EV LRB1A4F · 12V batteryThis week
…9PX4412L. Chen2024 Hatch 1.5C1233 · ABS sensorThis week
…2ZD1190S. Okoro2021 Saloon 2.0DP2002 · DPFMonitor
…5MN7734J. Park2023 SUV 2.0TP0300 · misfireMonitor
…8RT0921D. Novak2022 EV LRU0111 · BMS commsResolved

…7HK2210 · adviser brief

  1. 01P0420 logged 9× in 14 days; efficiency trend crossing threshold.
  2. 02Repair per TSB-23-114: catalyst + upstream O2 sensor. 2.4h labour.
  3. 03Parts: CAT-2210 (2 in stock), O2S-118 (arrives Thu) → book Fri.
  4. 04Customer: prefers mornings, last visit 5★, declined tyres in March.
Open work order

// Problem

The Problem

Dealer aftersales is reactive by construction: the customer notices something wrong, calls, waits for an appointment, arrives, and only then does the workshop discover that the part is a three-day order. Connected vehicles have been emitting diagnostic trouble codes the whole time, and the service history has been showing the pattern, but neither is joined to the CRM record or to the parts inventory. The result is a repair that takes a week and a customer who experiences the dealer as slow rather than as attentive.

  • Diagnostic trouble codes from connected vehicles are collected but never joined to the customer record.
  • The parts a repair will need are established after the vehicle is already on the ramp.
  • Repair time is set by parts availability nobody checked, so the courtesy-car queue absorbs the failure.
  • Outreach, when it happens, is generic — the adviser has no history-specific talking points.

// Overview

Hub joins three sources that dealers already own but rarely combine: historical service data, the CRM record, and OEM telemetry from the connected vehicle including diagnostic trouble codes. From that it identifies customers whose vehicles are showing a developing issue and constructs the repair before the conversation: DTC repair manuals are searched for the procedure, the required parts are extracted, and those parts are compared against workshop inventory at the relevant location. Only then is the customer contacted — with the adviser holding a profile built from prior interaction notes and data-driven talking points, and with the parts already confirmed in stock, so the booked repair completes in a single visit.

// AI System

Why AI

The parts step is the one that cannot be done with rules. A diagnostic code maps to a repair procedure that lives as prose and diagrams inside an OEM manual, and the parts list has to be read out of that procedure rather than looked up in a table. Equally, interaction notes are free text written by whoever took the last call, and turning a stack of them into a usable customer profile is a summarisation problem. Everything downstream — inventory check, scheduling, outreach — is ordinary software; it just could not start until those two reading problems were solved.

// Specs

Specifications

SIGNALS
Connected-vehicle DTCs, service history, CRM record
PARTS
Extracted from DTC repair manuals, checked against workshop inventory
OUTREACH
Adviser-led, with generated profile and talking points
SCOPE
Proactive detection through to booked, parts-confirmed repair
AUTONOMY
Detection and preparation automated; contact stays human

// Features

Features

  1. 01Customers with developing vehicle issues identified from telemetry, history and CRM together.
  2. 02Repair procedures read out of DTC manuals and turned into a concrete parts list.
  3. 03Required parts checked against workshop inventory before the customer is called in.
  4. 04Customer profiles assembled from prior interaction notes for personalised outreach.
  5. 05Data-driven talking points supplied to the service adviser at the point of contact.
  6. 06Customised communications sent from the dealer, under adviser control.

// Architecture

Architecture

AFTERSALES FLOW

Runtime · one item, left to right


  1. 01Vehicle Telemetry + Service History
  2. 02Issue Detection
  3. 03Repair & Parts ResolutionDTC CodesRepair ManualsParts InventoryCRM & Interaction Notes
  4. 04Inventory Confirmation
  5. 05Adviser Outreach
  6. 06Single-Visit Repair

dashed = the inference step, where the system exercises judgment

System stack

Data in · decisions out

01

Sources

Vehicle, workshop, customer

Connected-vehicle telemetryDTCs, mileage, batteryDMS / service historyRepair manuals & TSBsPDFParts inventorysite + regional DCCRM & interaction notes

02

Ingestion

Join VIN to everything

OEM telematics APIhourly pullManual parsingDTC → procedure → partsInventory sync15-minVIN-level entity graph

03

Ontology

The vehicle as an object with history

Vehicle · VINCustomerFault signalProcedure · PartBooking · Bay

04AI

Intelligence

Predict, resolve, brief

Fault predictionDTC trend model per fault familyRepair resolutionLLM reads TSBs → parts listInventory plannerconstraint check across sitesAdviser brief generatorEval suiteprecision on true faults

05Human

Human control

Adviser owns the relationship

Adviser makes the callScript, not autopilotBooking confirmationOpt-out honoured

06

Actions

Written back

DMS bookingParts reservation / transferCRM interaction log

Observability

Every model call traced; evals run on real cases, not anecdotes.

Governance

Entitlements enforced at retrieval; rules versioned by the organisation.

Write-back

Systems of record are written only through the approval gate.

No customer is called until the parts for the identified repair are confirmed on site.

// Impact

Impact

Before the call
Parts availability confirmeddesign intent
One visit
Target repair path, against a return tripindicative target

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// End of case studyHub Customer Service for Automotive Dealerships