Electronic control unit

In automotive electronics, an electronic control unit (ECU) is an embedded system that controls one or more of the electrical subsystems in a vehicle. Some modern cars have up to 70 ECUs, including:

Engine Control Unit - ECU
Transmission Control Unit - TCU
Telephone Control Unit - TCU
Man Machine Interface - MMI
Door Control unit
Seat Control Unit
Climate Control Unit

Articles relating to Automobile configurations
Car body style and classification	2 plus 2 · Antique car · Cabrio coach · Cabriolet · City car · Classic car · Compact car · Compact performance car · Compact SUV · Convertible · Coupé · Coupé convertible · Coupe Utility · Crossover SUV · Custom car · Drophead coupe · Fastback · Full-size car · Grand tourer · Hardtop · Hatchback · Hot hatch · Hot rod · Large family car · Leisure activity vehicle · Liftback · Limousine · Luxury car · Microcar · Mid-size car · Mini SUV · Minivan · Multi-purpose vehicle · Muscle car · Notchback · Personal luxury car · Pickup truck · Retractable hardtop · Roadster · Sedan · Saloon · Small family car · Sport compact · Sports car · Sport utility vehicle · Spyder · Station wagon · Estate car · Supermini · Targa top · Taxicab · Touring car · Town car · T-top · Ute · Van · Voiturette
Specialised vehicles	Gyrocar · Flying car. Amphibious vehicle
Fuel technologies	Internal combustion engine · Electric vehicle · Neighborhood electric vehicle · Hybrid vehicle · Battery electric vehicle · Hydrogen vehicle · Fuel cell · Plug-in hybrid electric vehicle · Steam car · Alternative fuel cars · Biodiesel · Gasohol · Ethanol · LPG (Propane) · Homogeneous Charge Compression Ignition · Liquid Nitrogen · Gasoline Direct Injection
Driven wheels	Four-wheel drive · Front-wheel drive · Rear-wheel drive · All-wheel drive · Two-wheel drive
Engine positioning	Front engine · Rear engine · Mid engine
Layout	FF layout · FR layout · MR layout · MF layout · RR layout
Engine configuration	Internal combustion engine · Straight-6 · V engine · Wankel engine · Reciprocating engine · Inline engine · Flat engine · Flathead engine · Diesel engine · Two-stroke cycle · Four-stroke cycle · Pushrod engine · Straight engine · H engine · Turbodiesel · Hybrid vehicle · Rechargeable energy storage system · Electric vehicle · Hydrogen vehicle
Body	Framework	A-pillar · Bumper · Cabrio coach · Chassis · Crumple zone · Body-on-frame · Dagmar bumpers · Fender · Fender skirts · Grille · Hood · Hood scoop · Monocoque construction · Pontoon fenders · Quarter panel · Shaker scoop · Spoiler · Subframe · Tonneau
Doors	Butterfly doors · Gull-wing door · Scissor doors · Suicide door
Glass	Sunroof · Greenhouse · Windshield
Other	Antenna ball · Hood ornament · Japan Black paint · Nerf bar · Truck accessory · Bumper sticker
Exterior Equipment	Lighting	Daytime running lamp · Headlamp · Headlight styling · Hidden headlamps · Retroreflector · Sealed beam · Trafficators · High intensity discharge
Other	British car number plates · Distance sensor · US and Canadian license plates · Vanity plate · Vehicle registration plate · Windscreen wiper · Windshield washer fluid
Car engine	Air/Fuel	Air filter · Automatic Performance Control · Blowoff valve · Boost · Boost controller · Butterfly valve · Carburetor · Charge cooler · Centrifugal type supercharger · Cold air intake · Engine management system · Engine Control Unit · Forced induction · Front mounted intercooler · Fuel filter · Fuel injection · Fuel pump · Fuel tank · Gasoline direct injection · Indirect injection · Intake · Intercooler · Manifold · Manifold vacuum · Mass flow sensor · Naturally-aspirated engine · Ram-air intake · Scroll-type supercharger · Short ram air intake · Supercharger · Throttle body · Top mounted intercooler · Turbocharger · Turbocharged Direct Injection · Twin-turbo · Variable Length Intake Manifold · Variable geometry turbocharger. Warm air intake
Exhaust	Catalytic converter · Emissions control devices · Exhaust pipe · Exhaust system · Glasspack · Muffler · Oxygen sensor
Cooling	Aircooling · Antifreeze · Ethylene glycol · Radiator · Thermostat
Ignition system	Starter · Car battery · Contact breaker · Distributor · Electrical ballast · Ignition coil · Lead-acid battery · Magneto · Spark-ignition · Spark plug
Other	Balance shaft · Block heater · Crank. Cam · Camshaft · Connecting rod · Combustion chamber · Crank pin · Crankshaft · Crossflow cylinder head · Crossplane · Desmodromic valve · Engine knocking · Compression ratio · Crank sensor · Cylinder · Cylinder bank · Cylinder block · Cylinder head · Cylinder head porting · Dump valve,Engine balance · Oil filter · Firing order · Freeze plug · Gasket · Head gasket · Hypereutectic piston · Hydrolock · Lean burn · Main bearing · Motor oil · Multi-valve · Oil sludge · Overhead camshaft · Overhead valve · PCV valve · Piston · Piston ring · Pneumatic valve gear · Poppet valve · Power band · Redline · Reverse-flow cylinder head · Rocker arm · Seal · Sleeve valve · Starter ring gear · Synthetic oil · Tappet · Timing belt · Timing mark · Top dead centre · Underdrive pulleys · Valve float · Variable valve timing
Interior equipment	Instruments	Backup camera · Boost gauge · Buzzer · Car computer · Carputer · Check Engine light · Fuel gauge · Global Positioning System · Idiot light · Navigation system · Odometer · Speedometer · Tachometer · Trip computer
Controls	Bowden cable · Cruise control · Electronic throttle control · Hand brake · Manettino dial · Steering wheel · Throttle · Gear stick
Motor vehicle theft deterrence	Car alarm · ESITrack · Immobiliser · Klaxon · Vehicle tracking system · VIN etching
Passenger safety & seating	Airbag · Armrest · Automatic seatbelt · Bench seat · Bucket seat · Child safety lock · Dicky seat · Passive safety · Rumble seat · Seat belt
Other	Air conditioning · Ancillary power · Car audio · Car phone · Center console · Dashboard · Motorola connector · Power window · Rear-view mirror · TripSense
Powertrain	Wheels and Tires	All-terrain tyre · Bias-ply tire · Contact patch · Custom wheel · Drive wheel · Hubcap · Magnesium alloy wheel · Mud-terrain tire · Paddle tires · Radial tire · Rostyle wheel · Run flat tires · Schrader valve · Slick tire · Spinner · Tire code · Tread · Treadwear rating · Whitewall tire · Wire wheels
Transmission	Automatic transmission · Clutch · Continuously variable transmission · Differential · Driveshaft · Electrorheological clutch · Epicyclic gearing · Fluid coupling · Fully-automatic transmission · Gear stick · Gearbox · Hydramatic · Limited slip differential · Locking differential · Manual transmission · Roto Hydramatic · Saxomat · Semi-automatic transmission · Semi-automatic transmission · Super Turbine 300 · Tiptronic Torque converter · Transmission (mechanics) · Transmission Control Unit · Turbo-Hydramatic · Universal joint
Steering	Ackermann steering geometry · Anti-lock braking system · Camber angle · Car handling · Caster angle · Oversteer · Power steering · Rack and pinion · Toe angle · Torque steering · Understeer
Suspension	Axle · Beam axle · Coil spring · De Dion tube · Double wishbone · Electronic Stability Control · Hydragas · Hydrolastic · Hydropneumatic suspension · Independent suspension · Kingpin · Leaf spring · Live axle · MacPherson strut · Multi-link suspension · Panhard rod · Semi-trailing arm suspension · Shock absorber · Sway bar · Swing axle · Torsion beam suspension · Transaxle · Trailing arm · Unsprung weight · Watt's linkage · Wishbone suspension
Brakes	Anti-lock braking system · Disc brake · Drum brake · Hand brake · Hydraulic brake · Inboard brake · Brake lining · Brake fade · Brake fluid · Hydraulic fluid · Brake bleeding · Engine braking · Electronic brakeforce distribution · Regenerative brake

Electronic control unit

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