Specifications & Compatibility
| 🏷️ Brand | TecUpdater |
| 🛡️ Warranty | 1 Year, limited to one replacement per piece as due to compatibility, some cars may damage the bulb repeatedly. |
| 📦 Quantity / UOM | 1 Pair |
| ♻️ Return / Exchange | Exchange only |
| 🔌 Available Connector Types | PY21W BAU15S (Amber & White) |
| 🔋 Voltage | 12V – 24V |
| 🎨 Color Options | Amber |
| 🚗 Applications | Turn Signals, Reverse Lights |
| ⏳ Lifespan | 30,000+ hours |
| 🔧 Installation | Plug-and-Play |
| ✅ Compatibility | Suitable for most Indian car models |
Upgrade your vehicle’s lighting with TecUpdater PY21W BAU15S LED bulbs, designed for superior visibility, instant response, and CANBUS-compatible performance. These premium LED bulbs replace standard halogen turn signals and reverse lights, providing a modern look, enhanced safety, and energy-efficient operation.
Key Features & Benefits
Instant On/Off Response
Unlike halogen bulbs, which take milliseconds longer to illuminate, PY21W BAU15S LEDs light up instantly, reducing reaction time and increasing road safety.
High Brightness & Energy Efficiency
Advanced LED technology delivers bright, clear illumination while consuming significantly less power than conventional halogen bulbs.
Ideal for long-term use without overloading your vehicle’s electrical system.
CANBUS-Compatible & Hyperflash-Free
Fully compatible with modern vehicle CANBUS systems.
Eliminates flickering, dashboard errors, and hyperflash issues often caused by LED upgrades.
Durable & Heat-Resistant Design
Built to withstand harsh weather and extreme temperatures, ensuring consistent performance over tens of thousands of hours.
Resistant to vibration, UV, and thermal stress, making them reliable for Indian road conditions.
Easy Plug-and-Play Installation
Direct replacement for most vehicles using PY21W / BAU15S sockets.
No extra resistors, wiring modifications, or coding required.
Simple DIY installation in minutes.
Amber vs. White LED Options
Amber PY21W BAU15S LED Turn Signal Bulbs
Crisp, highly visible amber light for safer signaling.
Ensures other drivers notice your indicators clearly, even in bright daylight or adverse weather.
White PY21W BAU15S LED Reverse Lights
Bright white illumination for superior rear visibility.
Enhances safety when reversing in low-light conditions or crowded areas.
Advantages Over Halogen Bulbs
Longer Lifespan: Over 30,000 hours of continuous use.
Energy Savings: Lower power consumption without sacrificing brightness.
Modern Aesthetics: Sleek, premium lighting for a refreshed vehicle look.
Enhanced Road Safety: Brighter signals and reverse lights improve visibility for other drivers.
Installation Guide
Check Compatibility: Confirm your vehicle supports PY21W BAU15S LED bulbs.
Turn Off Vehicle: Remove the existing halogen bulb carefully.
Insert LED Bulb: Ensure a snug, secure fit in the socket.
Test Functionality: Turn on the lights to verify proper operation before finishing installation.
Vehicle Compatibility
PY21W BAU15S LED bulbs are compatible with most Indian cars, including:
Maruti Suzuki: Swift, Baleno, Brezza, Alto, WagonR
Hyundai: i20, Creta, Verna, Grand i10
Tata Motors: Nexon, Harrier, Tiago
Mahindra: XUV700, Thar, Scorpio
Honda: City, Amaze, Jazz
Always check your vehicle’s manual or consult your dealer before purchase to confirm fitment.
Why Choose TecUpdater PY21W BAU15S LED Bulbs?
TecUpdater LED bulbs combine high brightness, CANBUS error-free operation, and robust durability in a compact, plug-and-play design. Perfect for DIY upgrades or professional installations, these bulbs enhance your vehicle’s lighting performance and give a modern, stylish appearance.
Upgrade your turn signals and reverse lights today with TecUpdater PY21W BAU15S LED bulbs — a reliable, long-lasting, and efficient solution for safer driving.
Aruna Jha –
I have installed in my Polo. As they promised there is no hyper flash or error. The indicators are very very bright. Plug and play. It took me 5 minutes to install. Great experience.