Electrical & Diagnostics

We find what other shops miss.

Modern vehicles run on dozens of computers and miles of wiring. When a warning light comes on or a gremlin appears, our technicians use dealer-level scan tools and proven diagnostic process to pinpoint the real cause — not just guess at parts. For deeper reads, see when ECU programming is needed and how to check EV battery health.

(857) 445-9755
Diagnostic laptop connected to the engine bay during an electrical fault trace at Iron Wolf Motors in Worcester, MA
Pricing

Straightforward, upfront pricing

Quick diagnostic scanFree
Full diagnostic$150 / hr

Final price depends on your vehicle and parts — we always quote before any work starts. Financing available on repair jobs.

What’s included

Everything this service covers

Check-engine diagnostics

Full code scan and root-cause analysis with Autel, Snap-on, and Launch dealer-level scan tools — not just code clearing.

Electrical fault tracing

Shorts, parasitic battery drains, and wiring repair.

Module & sensor work

ECU, ABS, and sensor testing, programming, and replacement.

Battery & charging

Alternator, starter, and battery testing and replacement.

Lighting & accessories

Headlights, infotainment, power systems, and more.

Pre-purchase inspections

Know exactly what you’re buying before you commit.

How it works

Simple, transparent, done right

01

Book or stop by

Call us or book online — same-day visits often available.

02

Honest diagnosis

We inspect, explain the issue in plain language, and quote upfront.

03

Drive away confident

Quality work, quality parts, and a clear breakdown of what we did.

FAQ

Good to know

My check-engine light is on — is it safe to drive?

A steady light usually means it’s safe to drive in to us; a flashing light means stop driving and call us right away.

Can you diagnose intermittent problems?

Yes. Intermittent electrical faults are our specialty — we have the tools and patience to track them down.

How does your diagnostic process work?

We start with a full system scan, then test the actual circuits and components rather than just swapping parts at the code. You get the real root cause and an upfront quote.

Why does the dealer charge so much more for diagnostics?

We use dealer-level scan tools without dealership overhead, so you get the same depth of diagnosis — usually for less — and we explain exactly what we found.

My warning light went off on its own — do I still need it checked?

It’s worth checking. Many faults are intermittent and the stored codes remain, so we can often still pinpoint the issue before it comes back worse.

Ready to get started?

Book electrical & diagnostics with Worcester’s top-rated shop today.