
Warning Light Appears
A hybrid system warning doesn't always mean the battery has failed. It needs a proper scan.
Hybrid & EV computer diagnostics · Islamabad


Warning light on your dashboard? We run a full computerized scan of your hybrid to find the real cause, whether it's the hybrid battery, inverter, a sensor or a simple software glitch, before anything gets replaced.
What a scan shows us
Precise diagnostics stop guesswork and unnecessary parts.

A hybrid system warning doesn't always mean the battery has failed. It needs a proper scan.

We connect advanced diagnostic tools and read stored and live fault codes.

Block voltages, temperatures and state of charge show the true health of your pack.

Minor fix, software update or hybrid battery repair: we explain the right solution.

Why diagnostics are crucial
At Hybrid EV Engineering we specialize in hybrid battery diagnostics and repair for all kinds of hybrids and EVs, including the Toyota Prius, Toyota Aqua, Honda Vezel and Nissan Leaf.
Hybrid cars rely on a sophisticated mix of electrical and mechanical components, especially the hybrid battery. When something goes wrong, the exact cause isn't always obvious. Our tools perform a thorough computerized scan that detects problems not only with the hybrid battery but with every other component that affects performance.
A hybrid system malfunction warning may point to a sensor, a software glitch, the battery air filter or the inverter. In more severe cases it may be the battery cells. Scan first, then repair.
Common warning signs
Early detection can save you from expensive repairs, including a hybrid battery replacement.
Check-engine or hybrid system lights on the dashboard.
Your average drops noticeably without a clear reason.
Uneven acceleration or braking behavior.
Strange sounds from the hybrid battery compartment.
A loud or constantly running battery cooling fan.
Faults that can often be fixed with a simple update.
A timely scan catches issues early, whether it's a software update, a problem with the hybrid battery cells or a repair that needs specific parts.
Diagnostics for different models
Our team handles diagnostics and repairs for the hybrids most common in Pakistan.
Detects issues with the hybrid battery and related components for reliable, long-lasting performance.
Battery health checks and evaluation of any other system malfunction.
Computerized detection of battery, inverter and component faults.
Full diagnostics for Nissan and other hybrid/EV models.
Hybrid system and battery assessments with clear reporting.
From minor fixes to hybrid battery replacement.
Why choose us
A thorough diagnostic process that leads to the right solution.
Diagnostic equipment for all major hybrid car brands.
Experienced in hybrid battery installation, repair and maintenance.
Battery replacement for Prius, Vezel, Aqua and Camry hybrids.
Accurate diagnostics and customer satisfaction are our priority.
FAQ
Not always. The warning can come from a sensor malfunction, a software glitch, the hybrid battery air filter or the inverter. In more severe cases it points to the battery cells. A computerized scan shows which one it is.
If you see check-engine or hybrid system warnings, notice reduced fuel efficiency, feel inconsistent acceleration or braking, or hear unusual noises from the battery compartment.
Toyota Prius, Aqua and Camry Hybrid, Honda Vezel, Nissan and other hybrid and EV models.
We explain the fault and the right solution, whether it's a minor fix, a software update, a battery cell repair or a hybrid battery replacement.
Book your diagnostic
Noticed a warning light or an issue with your hybrid? Early detection prevents further damage and extends the life of your hybrid battery.
Visit our workshopPlot 315, Street 3, I-9/3, Islamabad • Mechanical branch: Old Airport Road, Faisal Colony, Rawalpindi