Packages
Tire Size + Full-System Scan
Price
$79
starting price · see note below
Duration
60–90 min
at your location
Booking
Two jobs in one visit: tire size recalibration — the correct tire size written into the vehicle's own configuration where supported — plus a full-system diagnostic across every accessible module (engine, transmission, ABS, airbag, body, cluster, HVAC, TPMS). Includes the digital health report: codes found, what they mean, and recommended next steps. Sensible after a lift, spacers, wheels and tires, where suspension and wheel work can leave something switched off, unplugged or reporting a fault. Compatibility varies by year, make and model — verified before I book.
Two jobs in one visit: the correct tire size written into your vehicle's own configuration (where supported), and a full-system diagnostic across every accessible module — engine, transmission, ABS, airbag, body, cluster, HVAC, TPMS.
The scan comes with the digital health report: codes found, what they mean, and recommended next steps. It's the sensible version after a lift, spacers, wheels and tires, because suspension and wheel work has a habit of leaving something switched off, unplugged or reporting a fault.
What this addresses
- You've just fitted bigger tires and want the speedometer corrected
- You want to know what the vehicle is reporting after recent suspension or wheel work
- A warning light appeared around the same time as the build
- You'd rather have one appointment than two
Compatibility
Some vehicles accept the tire-size configuration through their modules, others don't, and the module it lives in differs between platforms — so supported years and procedures vary by year, make and model. The scan reads every accessible module your vehicle allows. Both are verified before booking; if your vehicle can't take the change, I tell you before you spend a dollar.
How mobile service works
- 1Tell me your year, make, model, engine — and what your car is doing (or what feature you want changed).
- 2I verify your vehicle and confirm the service is supported before you spend anything — compatibility varies by year, make and model.
- 3I confirm the price with you before I head out. Prices are starting prices; a travel fee applies beyond 10 miles.
- 4I come to you — your home, your office, your driveway. No waiting room, no dealership lane.
- 5I work with professional equipment, explain what I find in plain English, and deliver — a diagnostic report, a reset, a feature unlocked.
Common questions
What if my vehicle can't take the tire-size change?
You still get the full-system scan and the digital report, and I tell you before the appointment what is and isn't supported.
Is this just for lifted trucks?
It's for any vehicle whose tire size no longer matches its configuration — a lift and bigger tires is the usual case, but a wheel change that alters rolling circumference counts too.
How long does the visit take?
Typically 60–90 minutes, since a full-module scan and the digital report take longer than a single configuration change.
Go deeper
Tire size & speedometer recalibration
A lift and bigger tires changed your rolling circumference — so the speedometer reads low and the shift points are off. It's a configuration change, not hardware. $45.
Read the full guideReady when you are
Send your year, make, model and what you need done. I verify compatibility before you book.
Serving Chattanooga and surrounding areas — I come to you. Enter your ZIP to confirm coverage.
Prices are starting prices, not guarantees. Final pricing can depend on vehicle, location, diagnostic complexity and requested procedure. This is an electronic diagnostics, coding and reset service — not mechanical repair. Diagnostics identify electronic faults but do not guarantee that a specific mechanical repair will resolve a problem. No dealership or manufacturer affiliation.