P27W 3156 LED BULB CANBUS MAGALL FAN-CAN BRIGHT RED BRAKE LIGHT 12V
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Description
P27W 3156 LED BULB CANBUS MAGALL FAN-CAN BRIGHT RED BRAKE LIGHT 12V
✅Unique LED bulb with 7 Ω resistance
✅For use wherever most LED bulbs cause problems.
VAG group cars (AUDI, VOLKSWAGEN, SKODA, SEAT) OPEL, VOLVO and all others
✅ Long service life thanks to an active cooling system
✅ Base type: P27W 3156
Price is for 1 bulb
⚙️Technical specifications⚙️
- Base type: P27W 3156
- Brightness: 1200 lumens
- Voltage: 12V
- Power: 30W
- Resistance: 7Ω
- Current: 2 A
- Dimensions: 58 mm x 20.5 mm
- 2016 SMD LED chip
- Colour: RED
- Protection rating: IP65 – water and dust resistant
- Material: aviation-grade aluminium – efficient heat dissipation
- Operating temperature range: -40°C to 80°C
- System: 360° – full light spread with no dead spots
- CANBUS (99%) – no on-board computer errors
⭐Linear IC (CANBUS emulator)
Our FAN-CAN series bulbs contain an electronic emulator and a capacitor that work with most CANBUS diagnostic systems used in vehicles. This helps avoid "bulb out" warnings on the dashboard.
Real resistance 7Ω
We explain how CANBUS works at the end of this description
⭐COOLING SYSTEM with built-in fan⭐
✅The cooling system of the MAGALL FAN-CAN LED bulb features an advanced built-in fanthat actively dissipates the heat generated by the LEDs. The fan runs at high speed to provide fast and effective cooling even during long use.❄️
✅Thanks to the fan, the bulb keeps a stable operating temperaturehowever long it is on. Overheating, a common cause of LED bulb failure, is effectively reduced. The aviation-grade aluminium housing further supports cooling by improving heat conduction.❄️
✅Thanks to effective cooling, MAGALL FAN-CAN LED bulbs offer longer life and durability. The cooling system prevents heat damage, so these bulbs last longer and are more reliable, even under heavy use. You can be confident they will work without failure, keeping your driving safe and comfortable.❄️
⭐ EXCEPTIONAL BRIGHTNESS AND VISIBILITY⭐
✅360° system: the design provides even light in all directions.
✅Advanced 2016 SMD LED chip: modern LED technology guarantees high brightness and energy efficiency. The bulb uses less energy, reducing the load on the vehicle's electrical system.
✅1200 lumens – excellent visibility that significantly improves road safety, both day and night.
✅Aviation-grade aluminium: the high-quality housing material resists mechanical damage and dissipates heat better, improving stable operation in all conditions.
✅Base type: P27W 3156
⭐Applications⭐
☝️Brake lights (stop/tail light): Red P27W 3156 bulbs are commonly used as brake lights in the vehicle's rear lamps. When you press the brake pedal, the red brake light comes on, signalling to drivers behind you that you are stopping or braking. This is key to road safety.
☝️Rear fog lights (rear fog light): In some countries or regions red P27W bulbs can be used as rear fog lights, which are switched on in dense fog or rain to make the rear of the vehicle more visible.
⭐ WATER RESISTANCE ⭐
☂️Full protection against moisture: with an IP65 rating, MAGALL FAN-CAN LED bulbs are fully resistant to rain, moisture and dust. Even in difficult weather such as downpours or mud, they work reliably and keep you safe on the road.
☂️Durability and longer life: the solid, sealed construction of MAGALL FAN-CAN LED bulbs effectively prevents corrosion and damage, extending their life. A durable solution for every situation.
☂️Safety in all conditions: by choosing MAGALL FAN-CAN LED bulbs with IP65 water resistance, you can be sure your lighting will work without failure whatever the weather. The ideal choice for drivers who value reliability and quality on every journey.
The photo above shows the different base types of MAGALL FAN-CAN LED bulbs. Choose the right model to ensure a perfect fit and avoid installation problems.
⭐MAGALL LED Bulbs – Safety and Compliance with EU Standards⭐
MAGALL LED bulbs comply with the EMC Directive 2014/30/EU and have passed EN IEC 55015:2019+A11:2020 testing.
MAGALL bulbs are designed not to interfere with other electrical devices and are resistant to external electromagnetic interference. This means stable, trouble-free operation throughout their service life, adding to the convenience, safety and comfort of everyday use of MAGALL LED lighting.
MAGALL LED bulbs carry the CE mark and meet European Union requirements for safety, health and environmental protection. The CE mark shows that the products have been tested for safe use and meet the strict quality and technical standards required in the EU.
CANBUS – how it works and why it matters for LED bulbs
CAN BUS (Controller Area Network Bus) is a car's internal communication network that lets electronic modules (e.g. the BCM – Body Control Module) exchange data without extra wiring.
The computer does not check whether the bulb actually lights up – it measures the current draw and the circuit resistance.
- Test when the ignition is switched on: the computer sends a short pulse and checks whether the resistance falls within the so-called acceptance window, i.e. the permitted range of values.
- Continuous measurement while driving: in more advanced cars the BCM constantly monitors the current. If the LED bulb has different characteristics from a halogen (e.g. lower current draw), the system may treat this as a fault and display a "bulb out" message.
In practice, different cars have different tolerance ranges and CANBUS standards – they differ in data transfer speed, how the circuit is tested, and resistance and power draw requirements.
So saying that an LED bulb "has CANBUS" or "doesn't have CANBUS" is a simplification. It all depends on the tolerance of the vehicle's diagnostic system and the parameters of the LED bulb itself.
An illustrative example of how it works:
an H7 halogen bulb has a resistance of 3,6Ω
1.
- an example H7 LED bulb has a resistance of 10 Ω
- car A (acceptable range) 2,5–7 Ω – warning
- car B (acceptable range) 2–12 Ω – no warning
- car C (acceptable range) 3–5 Ω – warning
2.
- an example H7 LED bulb has a resistance of 6 Ω
- car A (acceptable range) 2,5–7 Ω – no warning
- car B (acceptable range) 2–12 Ω – no warning
- car C (acceptable range) 3–5 Ω – warning
3.
- an example H7 LED bulb has a resistance of 2,5 Ω
- car A (acceptable range) 2,5–7 Ω – no warning
- car B (acceptable range) 2–12 Ω – no warning
- car C (acceptable range) 3–5 Ω – warning (short circuit)
Now you know why the same bulbs work without warnings for some users while for others the on-board computer reports a problem.
In our listings we state the technical parameters preciselyto make it easier to choose bulbs for a specific car model and avoid misunderstandings.
P27W 3156 LED bulbs MAGALL FAN-CAN, red, for brake lights. The cooling fan ensures stable operation. The CANBUS circuit eliminates on-board computer errors. P27W 3156 LED bulb red CANBUS brake light fan 12V car bulb MAGALL FAN-CAN.