Mobile service across Perth Metro, Yanchep to Mandurah.

Mobile service · Perth Metro · Yanchep to Mandurah

Mobile Auto Diagnostics& Car Key Programming in Perth

Know what's wrong before you pay for repairs.

We come to your home, workplace or roadside anywhere in Perth, scan your car with professional AUTEL equipment, and explain what's found in plain English, with a written report you keep.

From $80·written report included·same-day may be available

Independent, no repair upselling Written fault reports We come to you
Why KSM

Clear answers before you spend money

A warning light, a strange fault, or an expensive repair quote shouldn't leave you guessing. A professional diagnostic scan tells you what your car's electronics have actually detected, so you can decide your next step with confidence.

Independent by design

We don't carry out mechanical repairs, so we have nothing to sell you beyond the truth. Take our findings to any mechanic, dealership or workshop you trust.

We come to you

Home, workplace or roadside, anywhere across the Perth metro area, from Yanchep to Mandurah. No towing, no waiting rooms, no workshop queues.

Plain English, in writing

Every scan comes with a clear explanation of what was found and a written report you keep, useful for your mechanic, a seller, or your own peace of mind.

The smart order

Guess first, or know first?

Same warning light, two very different paths.

Guessing first

  • A warning light comes on, nobody knows why
  • Parts get replaced on a best guess
  • The light comes back, you pay again
  • Costs grow while the real cause stays unknown

Scanning first

  • Mobile scan at your location, from $80
  • See exactly what your car's systems detected
  • Written report to take to the mechanic you trust
  • Approve only the repairs that make sense

A diagnostic scan doesn't fix the car. It tells you what has actually been detected, so the money you do spend on repairs goes to the right place.

Services

Diagnostics & key programming, at your location

Transparent starting prices. Every diagnostic service includes fault code reading, a plain-English explanation and a written report.

Most popular

Full System Scan

A complete electronic scan of major vehicle systems to identify stored, pending and active fault codes.

  • Full electronic scan
  • Fault code reading
  • Plain-English explanation
  • Written diagnostic report
Starting from$80 Book Scan

Check Engine Light Diagnosis

We read the fault codes behind the warning light, check live data where needed, and explain the likely cause and next steps.

  • Warning light scan
  • Fault code reading
  • Live data analysis
  • Clear next steps
Starting from$80 Book Diagnosis
Smart buy

Pre-Purchase Diagnostic Scan

Before you buy a used car, find hidden warning codes, stored faults and electronic issues a test drive won't show you.

  • Full electronic scan
  • Hidden fault code check
  • Mileage & DTC history where supported
  • Negotiation leverage
Starting from$80 Book Scan
An electronic scan reads what your car's systems have detected. It's a powerful early-warning tool, but it can't identify every mechanical problem and doesn't replace a full mechanical inspection.
Compatible vehicles

Spare Key Programming

Add a spare key or remote now, so a lost or damaged main key never leaves you stranded.

  • Cheaper than many dealer options
  • Mobile service across Perth
  • Compatible vehicles only
Starting from$150 Check Compatibility
Compatible vehicles

Lost Key Replacement

Lost your car key? Mobile lost-key assistance and replacement key programming for compatible vehicles.

  • Mobile service, we come to the car
  • Key programming where supported
  • Old key deletion where supported
Starting from$250 Check Compatibility
Compatible vehicles

Remote Programming

Remote stopped working? We check compatibility and program replacement or aftermarket remotes where supported.

  • Quick turnaround
  • Genuine & aftermarket options
  • Tested on-site
Starting from$90 Check Compatibility
Key and remote programming depends on your vehicle. Send us your make, model, year and whether you still have a working key, and we'll confirm compatibility before you book.
Transparent pricing

All starting prices, in one place

No hidden call-out surprises. We confirm a quote for your vehicle and location before you book.

Full System ScanComplete electronic scan, fault codes, written reportfrom$80Book
Check Engine Light DiagnosisCodes read, live data checked, likely cause explainedfrom$80Book
Pre-Purchase Diagnostic ScanHidden faults checked before you buy a used carfrom$80Book
Remote ProgrammingReplacement or aftermarket remotes, tested on-sitefrom$90Enquire
Spare Key ProgrammingAdd a spare key or remote before you need itfrom$150Enquire
Lost Key ReplacementMobile lost-key assistance and programmingfrom$250Enquire
Prices shown are starting prices and can vary with vehicle and location. Key and remote programming depends on vehicle compatibility, so send your make, model and year first and we'll confirm before you book.
Dashboard warning lights

Which light is on?

Tap a symbol for a plain-English explanation of what it usually means and what to do next.

Not sure what you need?

What's happening with your car?

Pick the situation that sounds most like yours and we'll point you to the right service, no technical knowledge needed.

How it works

Simple. Transparent. Fast.

From first message to written report, four clear steps. Same-day bookings may be available depending on your location and our schedule.

STEP 01

Book a scan

Call, WhatsApp or use the form. Tell us your vehicle make, model, year, location and the issue. We confirm a suitable time.

STEP 02

We come to you

Home, workplace or roadside anywhere across Perth. We scan supported systems with professional AUTEL tools for stored, pending and active fault codes.

STEP 03

We explain the findings

Fault codes, likely causes, and what looks urgent versus what can be monitored, in clear and practical language. No jargon.

STEP 04

You keep the report

A clear written report you can take to your mechanic, workshop or the seller before making any repair or purchase decision.

Independent diagnostics

We don't repair cars.
That's the point.

Because KSM Auto Diagnostics never sells repairs, our findings stay focused on one thing: what your car's systems have actually detected. There is no incentive to exaggerate a fault or push unnecessary work.

You take the report to whoever you trust: your mechanic, a dealership, a workshop, or the person selling you the car, and decide from an informed position.

  • We do: full-system scans, warning-light diagnosis, pre-purchase scans, written findings, key & remote programming.
  • We explain: what each code means, likely causes and sensible next steps, in plain English.
  • We don't: perform mechanical repairs, or upsell you work your car may not need.
  • We won't claim: that a scan finds every mechanical fault. It reads what the electronics have detected.
What's included

Every diagnostic visit includes

And here's the kind of thing you walk away with: clear written findings, not a verbal shrug.

Professional vehicle scan
Fault code reading
Clear explanation of detected issues
Guidance on likely causes
Written diagnostic report
Advice you can take to your mechanic
Sample, illustrative
Diagnostic FindingsKSM Auto Diagnostics
Vehicle: Toyota Corolla 2016 (example)  ·  Suburb: Morley  ·  Service: Full system scan
P0301Cylinder 1 misfire detectedAttention
Misfire logged on cylinder 1. Commonly related to the ignition coil or spark plug. Worth prompt attention before it worsens.
P0420Catalyst efficiency below thresholdMonitor
Emissions-related code. Not usually urgent. Monitor and discuss at your next service.
ABS / SRSAirbag & ABS systems scannedNo faults
No stored or pending fault codes found in these systems.
Suggested next stepShow this report to your preferred mechanic and discuss an ignition system inspection before approving any major repair work.
Yours to keep. Take it to any mechanic, workshop, dealership or seller.
Service area

Mobile across the Perth metro

One service area, the whole metro corridor, from Yanchep in the north to Mandurah in the south, and the suburbs in between. If you're nearby but not listed, just ask.

MorleyMalagaBayswaterMaylandsMount LawleyDianellaBalcattaOsborne ParkCanningtonVictoria ParkBelmontMidlandFremantleRockingham+ surrounding suburbs

Availability can depend on your location and our schedule. Send your suburb with your enquiry and we'll confirm.

FAQ

Frequently asked questions

Yes, KSM Auto Diagnostics is a fully mobile service. We come to your home, workplace or roadside location anywhere across the Perth metro area, from Yanchep to Mandurah.

A professional scan of supported vehicle systems for stored, pending and active fault codes, a plain-English explanation of what was found and the likely causes, and a written diagnostic report you keep.

Yes. We read the fault codes behind the check engine light, check live data where needed, and explain the likely cause and sensible next steps, starting from $80.

No, and that's deliberate. We focus on diagnostics, fault reports and key programming. Because we don't sell repairs, our findings stay independent and unbiased. You choose the mechanic or workshop you trust.

Absolutely, that's what it's for. The written report is yours to keep and share with any mechanic, dealership, workshop, seller or buyer before you make a decision.

Yes. Before you buy a used car, we scan it for hidden warning codes, stored faults and electronic system issues, with mileage and fault-history checks where the vehicle supports them. Note that an electronic scan complements, but doesn't replace, a full mechanical inspection.

Yes: spare keys, lost-key assistance, replacement keys and remote programming for compatible vehicles, including deleting previously registered keys where the vehicle supports it. Compatibility depends on your vehicle, so we always check before confirming.

Your vehicle make, model and year, your suburb, and the issue you're experiencing. For key programming, also tell us whether you still have a working key and what type of key or remote help you need.

The Perth metropolitan area, roughly Yanchep to Mandurah, including Morley, Malaga, Bayswater, Maylands, Mount Lawley, Dianella, Balcatta, Osborne Park, Cannington, Victoria Park, Belmont, Midland, Fremantle, Rockingham and surrounding suburbs.

Diagnostic scans start from $80. Key programming starts from $150 for spare keys, $250 for lost-key replacement and $90 for remote programming. These are starting prices. We'll confirm a quote for your vehicle and location before you book.

Contact & booking

Tell us about your car

Call or WhatsApp for the fastest reply, or fill in the form. It opens a ready-made message in WhatsApp or email, so we can respond with availability and a quote straight away.

Send your vehicle details

Takes about 30 seconds. Fill in what you can. Your message opens ready to send in WhatsApp (or email), so you get a fast reply on your phone.

Your message opens directly in WhatsApp for an instant reply. No WhatsApp? Use the email option. For mobile bookings you can also share your exact location in the WhatsApp chat so we can find you easily.

Know before you pay.

Book a mobile diagnostic scan or check key programming compatibility: clear answers, at your location, across the Perth metro.

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