Skip to content

Service

Pre-Purchase Digital Health Check

About to buy a used van? Don't hand over a penny until you know what you're getting. The seller says “it's fine” - but do you have proof? A pre-purchase health check gives you the data: a deep diagnostic scan with a buyer risk summary. Fault codes, DPF soot load, AdBlue quality, battery state - we dig into the digital side so you can negotiate with confidence, or walk away with your wallet intact.

What Could Go Wrong

Buyers often miss these hidden issues. We check for them.

Diagnostic scan of Mercedes commercial vehicle before purchase
We connect dealer-level diagnostics before you buy - fault history, live data, and emissions systems, not just a test drive.

Cleared fault codes

Sellers can hide problems by clearing codes before you view. We check stored history and freeze frame data.

DPF problems

High soot load or failed regens can mean expensive repairs. We check DPF status and AdBlue quality.

AdBlue issues masked

Some dealers top up AdBlue or reset countdowns without fixing the root cause. We dig deeper.

Battery and electrical

Weak batteries or parasitic draw can cause intermittent faults. We check battery state and key electrical parameters.

Examples of what we've caught for other buyers

  • DPF at 85% soot load - regen recommended before purchase
  • Stored fault codes for NOx sensor - cleared before sale
  • AdBlue quality below spec - SCR system may need attention
  • Battery state of health 45% - likely replacement soon

Is this the right service for you?

Yes, if you're buying a used vehicle - especially modern diesels, vans, or vehicles with complex electronics - and you want proof before you commit. Book at the seller's location before you agree to purchase. If you already own the vehicle and have a fault, see our Diagnostic Callout.

Who It's For

Anyone buying a used vehicle - especially modern diesels, vans, or vehicles with complex electronics. If the seller says “it's fine” but you want proof, we'll give you the data.

When to Book

  • Before buying a used van or car from a dealer or private seller
  • When a vehicle has been sitting / low mileage and you suspect hidden issues
  • If the seller's history is patchy or missing
  • For fleet acquisitions where you need documented condition
  • When you want confidence before committing to a purchase

What's Included

  • Full-system diagnostic scan (all modules)
  • Key health indicators: DPF soot load, AdBlue quality, battery state, oil condition data
  • Fault code history and freeze frame analysis
  • Sensor plausibility and live data spot checks
  • Buyer risk summary: what you should know and what to negotiate on
  • Written report suitable for sharing with seller or insurer
  • Up to 75 minutes on-site time

What This Isn't

  • Not a full mechanical inspection (we focus on the digital side)
  • Not a warranty or guarantee on the vehicle
  • Not a substitute for HPI check or service history verification

What We Check

Real inspection photos from pre-purchase health checks

How It Works

01

Book at the seller's location

Book the health check for the address where the vehicle is. We come to you - and the seller.

02

We scan everything

Full-system scan, live data, DPF soot load, AdBlue quality, battery state. We don't inspect bodywork or tyres - we focus on the digital health.

03

You get the data

Written report with buyer risk summary. Negotiate with confidence, or walk away. You're in control.

Pricing

ZoneDrive timePrice
Zone A0-25 mins£160
Zone B25-45 mins£175
Zone C45-60 mins£190

Includes travel and up to 75 mins on-site. Deposit £30 (Zone A/B) or £50 (Zone C).

Frequently Asked Questions

Yes - we can meet you at the dealer. Book the health check for the dealer's address or postcode. We'll scan the vehicle before you sign. Some dealers are fine with it; others may require prior arrangement. Just let us know when booking.

That's a red flag. A legitimate seller with nothing to hide should have no problem with a diagnostic scan. If they refuse, we'd recommend walking away - or at least getting an HPI check and service history verification elsewhere.

No. We focus on the digital health: fault codes, live data, DPF soot load, AdBlue quality, battery state. We don't inspect bodywork, structural integrity, tyres, brakes (beyond electronic data), or fluid condition unless specifically agreed. For a full mechanical inspection, you'd need a specialist inspector.

Yes. The report is a clear, documented summary of findings. You can share it with insurers, the seller, or other workshops. It's your record of what we found.

From £160

Zone-based pricing - includes travel and up to 75 mins on-site

Tip: Book the health check at the seller's location before you agree to purchase. It's much easier to negotiate (or walk away) with data in hand.

Buying a used van?

Get the data before you commit. Book a pre-purchase health check at the seller's location.