Technician working underneath a vehicle in a low-lit garage

Mobile diagnostics · Northern Colorado

The fault the code
reader can't find,
solved on site.

Mobile diagnostics for shops and vehicle owners. Factory-level module and ECU programming, key and immobilizer solutions, and lab-scope testing, brought to your bay or your driveway by an ASE Master diagnostician.

Call the diagnostic line Request a diagnosis
Experience
15+ years
Certification
ASE Master
Coverage
All of NoCo
  • ASE Master Certified
  • L1 Advanced Engine Performance
  • L2 Advanced Diesel
  • L3 Advanced Hybrid
  • Medium Duty Certified
  • Factory-Level Training
Jorge Banuelos, founder of JB Diagnostics and Programming, with his partner at an industry event
Family run & owner led

Founded by Jorge Banuelos

The diagnostician the shops call when the easy fixes run out.

Jorge Banuelos brings more than 15 years in Northern Colorado shops, over a decade as a Master Certified Technician, and time spent training other technicians and writing the procedures they follow.

JB Diagnostics & Programming is a family-run business built on honest, accurate work. The team logs up to 100 hours of hands-on and online training every year to stay current with the electronics on today's vehicles, so a hard fault gets read right the first time instead of thrown parts at it.

  • 01 Honest, evidence-led diagnosis
  • 02 All makes and models, gas, diesel, hybrid
  • 03 A true dealership alternative

What we do

Specialized work, done to factory specification.

Three core disciplines, backed by advanced diagnostic hardware. Every job is scoped, tested, and verified before we call it fixed.

Oscilloscope waveform captured during a lab-scope diagnostic test
01

Advanced-level diagnostics

Lab-scope testing, camshaft and crankshaft correlation, and full fault analysis with digital storage oscilloscopes and factory scan tools. When a vehicle cranks and will not start, we trace it through fuel, ignition, and electrical until the real cause shows up.

  • Lab scope testing
  • Cam / crank correlation
  • Crank no-start
02

Module & ECU programming

ECU reprogramming to update or recalibrate the engine control unit, plus module programming so new or replacement parts integrate cleanly and software faults get cleared for good.

  • ECU reprogramming
  • Module programming
03

Key cuts & immobilizer

New keys, replacement key programming, and key fob replacements, plus transponder programming synced to your vehicle's security system. We also diagnose immobilizer faults like key-recognition failures and system malfunctions.

  • Transponder keys
  • Immobilizer faults
  • Fob replacement

What's in the truck

The equipment behind the diagnosis.

A comprehensive set of factory and aftermarket scan tools alongside purpose-built diagnostic hardware. The right instrument for the fault means less guesswork, less bench time, and a cleaner repair on today's most advanced vehicles.

Book advanced diagnostics
  • 01 Factory & aftermarket scan tools
  • 02 Digital storage oscilloscopes
  • 03 Thermal imaging devices
  • 04 In-cylinder pressure transducers
  • 05 Secondary ignition pickup devices

Who we serve

Mobile service that comes to you.

A

Repair shops

Overflow diagnostics and programming for the jobs that tie up a bay. We come to you, so your lift stays productive.

B

Collision centers

Post-repair module programming and calibration so vehicles leave the shop with every system reading correctly.

C

Vehicle owners

A dealership alternative for keys, programming, and hard-to-find faults, without the dealership wait or markup.

Get in touch

Have a fault that won't quit? Let's read it right.

Call or email and describe the vehicle and the symptom. We cover Northern Colorado and schedule mobile visits Monday through Friday.

Call 970-371-1209 Email the shop
Call 970-371-1209
Email JBDIAGNOSTICSPROGRAMMING@GMAIL.COM
Hours Mon to Fri, 7am to 5pm
Base 3725 Torch Lily St, Wellington, CO 80549