Safety
Every fix restores stability and keeps your car safe on the road.
Integrity
Transparent findings and honest work you can rely on.
Precision
Repairs done right - exact diagnostics and no guesswork.
Reliability
Repairs built to last - not just today, but for years of driving.
"At VPS, computer diagnostics is not about clearing codes - it is about understanding what the vehicle is trying to tell us and finding the real cause behind the warning."
VPS provides professional ECU diagnostics, computer diagnostics, OBD scanning, fault code reading, live data analysis, sensor diagnostics, warning light checks, and electronic system troubleshooting for daily drivers, premium vehicles, performance cars, rare models, hybrids, and modern platforms.
Modern vehicles use electronic control modules to manage the engine, transmission, braking, steering, suspension, cooling, emissions, and safety systems. A warning light, stored fault code, rough running issue, limp mode, or intermittent problem needs proper interpretation — not just code clearing.
Based in Sherrington, Quebec, VPS serves clients from Montreal, Longueuil, Châteauguay, Saint-Catherine, Saint-Rémi, the South Shore, across Quebec, and nearby northern U.S. regions for premium diagnostics, repair, and specialist vehicle service.
Unknown Fault Codes?
A fault code is only a clue. The real repair comes from understanding why the code appeared and what system is actually failing.
Warning Light Diagnosis
For check engine lights, ABS lights, brake lights, airbag lights, traction control lights, and other dashboard warnings.
Fault Code Reading & Interpretation
For stored codes that need real analysis, not just a quick scan and erase.
Live Data Analysis
For problems that only appear while the car is running, driving, heating up, or under load.
Sensor & Module Diagnostics
For issues related to sensors, wiring, ECU signals, control modules, or communication faults.
Warning Light Diagnosis
Check Engine Light On? Don’t Just Clear It
A warning light means the vehicle has detected a problem. VPS scans the system, reads the fault data, and checks what caused the warning before recommending repair.
Fault Code Interpretation
A Code Is Not Always the Failed Part
Many shops replace the part named in the code, but that is not always the cause. VPS uses codes as a starting point, then verifies the real issue.
Live Data Analysis
Some Problems Only Appear While the Car Is Running
Live data helps reveal sensor behavior, fuel trims, temperature, pressure, airflow, misfires, and system response in real time. This helps diagnose problems that a basic scan can miss.
Limp Mode & Power Loss
Car Stuck in Limp Mode or Losing Power?
Limp mode protects the vehicle when something is wrong. VPS checks the electronic and mechanical systems to understand why the car limited performance.
Sensor & Wiring Issues
Not Every Electronic Problem Is the ECU
Bad sensors, damaged wiring, poor grounds, connectors, or module communication issues can create confusing symptoms. VPS checks the system before replacing expensive parts.
Intermittent Problems
Problem Comes and Goes? That Needs Deeper Diagnosis
Intermittent faults are often harder to find because they may not appear during a quick scan. VPS investigates patterns, conditions, and stored data to locate the cause.
Premium & Modern Vehicles
Modern Cars Need More Than Basic OBD Scanning
Premium, hybrid, performance, and newer vehicles have complex electronic systems. VPS approaches diagnostics with proper tools, logic, and mechanical understanding.