From ECM board service to key programming and immobilizer solutions — JAS Auto Tech is Chennai's trusted destination for complete car electrical and scanning works.
All types of car electrical wiring and sensor works — from harness repairs and relay fixes to complete rewiring across every make and model.
Advanced OBD-II and dealer-level diagnostic scanning to pinpoint engine, transmission, ABS, and airbag fault codes with precision.
Expert ECM (Engine Control Module) board-level repair, testing, and replacement — restoring faulty modules to factory-spec performance.
Transponder key programming, smart key coding, and duplicate key generation for all car brands. Lost key solutions available on the spot.
Immobilizer system diagnosis, bypass, repair, and reprogramming. We resolve no-start issues caused by immobilizer faults quickly and reliably.
ECU reprogramming, module flashing, and software updates for engine tuning, emission compliance, and performance optimization.
Years of Trust
Our engineers are trained specifically in car electrical systems, ECM boards, and immobilizer technology across all vehicle brands.
No hidden charges. You get a detailed estimate before any work begins — always.
Most scanning, key programming, and immobilizer jobs are completed the same day you walk in.
We use OEM-grade parts and dealer-level diagnostic scanners for accurate, reliable results every time.
"My car wouldn't start due to an immobilizer fault — JAS Auto Tech diagnosed and fixed it within hours. Absolute lifesavers."
"Lost both my car keys and they programmed a new set on the spot. Transparent pricing, zero surprise bills. Highly recommended."
"ECM board issue had my Innova stalling randomly. They did board-level repair and it's running perfectly now. Best electrical workshop in Chennai."
Drop your car off or opt for our convenient pickup & delivery service. Our team will contact you to confirm your slot within 2 hours.