Why does my immobilizer light keep flashing?

Why does my immobilizer light keep flashing?

😉 The fact that the immobilizer key light flashes continuously does suggest that the system DOES see the key, but that it’s not a recognized key, so either the key transponder died, or the immobilizer system lost its memory with the battery out (most likely).

How does the immobilizer system protect your car?

The Immobilizer System protects your vehicle from theft. If an improperly-coded key (or other device) is used, the engine’s fuel system is disabled. The system may not recognize your key’s coding if another immobilizer key or other metal object (i.e. key fob) is near the ignition switch when you insert the key.

What to do if you lose your immobilizer key?

Immobilizer System If the system repeatedly does not recognize the coding of your key, contact your dealer. Do not attempt to alter this system or add other devices to it. Electrical problems could result that may make your vehicle undriveable. If you have lost your key and cannot start your engine, contact your dealer.

What does the Immobilizer warning light on the dash mean?

A warning light is included on the dash to let you know how the system is reacting. What the immobilizer warning light means The indicator for the immobilizers behave similarly between different vehicles, but refer to the owner’s manual for specific information on your vehicle’s system.

What does it mean when immobilizer light flashes multiple times?

If the computer doesn’t recognize the code on the key, the light will flash multiple times. You won’t be able to start the engine until you use a recognized key. If you have a keyless ignition in your vehicle, make sure that the key is close enough to register with the receiver inside the car.

Why is the Green Key immobilizer light flashing?

There are three possible reasons that the green key immobilizer light is flashing. Either the immobilizer is not recognizing the key OR the car is not recognizing the immobilizer unit OR BOTH. The immobilizer only deals with the starting function and checks a chip in the key.

What does the Immobilizer warning light on my car mean?

Generally, when you first start the engine, this light will illuminate for a few seconds showing that the correct key has been used. If the computer doesn’t recognize the code on the key, the light will flash multiple times. You won’t be able to start the engine until you use a recognized key.

Why is the Immobilizer light blinking on my Honda Civic?

The Immobilizer System light will blink if it cannot recognize the key coding. This can happen if you have the correctly coded key but you also have other immobilizer keys on the same key ring or a metal key fob, or if metals from other keys get in the way while you try to start the engine.

Why does the Green immobilizer light not go off?

My 04 MDX sat for maybe 2 months and the battery drained. When connected to a jump starter it cranks but won’t start. I notice that the green immobilizer key light on the dash blinks and doesn’t go off (both during cranking and the II position).

What happens when you turn on the Immobilizer?

The overall idea is the same though, whenever you turn the key, the car’s computer reads a code from the key and checks it against the codes that are currently known. If the computer finds a match, it will let you start the engine. If a key match is not detected, a few things can happen.

How to turn off the electronic immobilizer light?

An expert that has over 10 points. You can’t post conmments that contain an email address. An expert who has achieved level 1. Try hooking up a battery charger and turning the key to the on position and leaving it for 20 minutes. The immobilizer light should turn off.

The overall idea is the same though, whenever you turn the key, the car’s computer reads a code from the key and checks it against the codes that are currently known. If the computer finds a match, it will let you start the engine. If a key match is not detected, a few things can happen.

What does it mean when your car won’t start?

With the starter-related causes of your problem out of the way, we continue the search for why your car won’t start. Spark is created by your car’s ignition system . Ignition system troubleshooting isn’t too difficult and the first thing to check is your coil.

Why does my engine light not come on?

The light should come on when you turn the key to “ON,” and it should go out after the engine starts. If it NEVER comes on I’d suspect the bulb. Most CELs ground through the ECM so if the first suspect bulb is good then there could be an ECM fault. Hopefully it’s the bulb.

What to do if your ignition switch is bad?

Bad Ignition Switch: If your battery checks out, but the starter is still silent, it might be a faulty ignition switch. Turn the key to the “On” position, not all the way to start, and check the following: If the red warning lights on your dash don’t light up and your battery connections are clean, the ignition switch is bad.

When does the ignition warning light not come on?

If your car is fitted with an alternator the warning light should not come on when the engine is idling, provided the idle setting is correct, because an alternator produces current even at low speeds.

Why is my car not turning on when I Turn on the ignition?

Of course, if you access the car itself with your key, you likely won’t be able to turn on the ignition because of all those extra tumblers. And on the off chance that you do turn the ignition cylinder, the immobilizer won’t allow you to start the car, because it’s protected by one-in-millions of transponder codes.

With the starter-related causes of your problem out of the way, we continue the search for why your car won’t start. Spark is created by your car’s ignition system . Ignition system troubleshooting isn’t too difficult and the first thing to check is your coil.

What should I do if my car charger light is not working?

Carefully work your way through the entire charging system looking for loose or dirty wiring connections causing the high resistance. Disconnect the wires and clean up the terminals if they are dirty. Don’t forget to check whether the battery lead connections and engine earthing strap are still good.