Question 1

My key broke in the ignition. Can you get it out?

Accepted Answer

Yes, broken key extraction is a standard mobile job. I use specialized tools to pull the broken piece out of the cylinder without damaging the ignition housing.

Once it's out, I can cut a replacement blade from the extracted piece or pull your key code through the lock and cut from that. Then the new key gets programmed to the immobilizer on site. The remote head key design on the Avenger puts some stress on the blade where it meets the plastic head -- owners on forums have noted that the housing can crack at that junction over time, especially if the key lives on a heavy keyring. If the shell is cracked but the internal board and chip are intact, I can often transfer the electronics into a fresh housing and skip a full reprogram.

Question 2

What exactly is a remote head key and why does my 2013 Avenger use one?

Accepted Answer

A remote head key is a physical blade you insert and turn in the ignition, with the fob built directly into the grip instead of hanging on a separate piece. Your 2013 Avenger uses one with five buttons and a CR2032 battery inside the head.

There are two independent systems in that one piece of plastic. The transponder chip communicates with the immobilizer to authorize the engine start -- no battery required for that part, it's powered inductively by the ignition ring. The remote functions (lock, unlock, trunk, etc.) run off the CR2032. If the remote stops working but the car starts fine, it's almost always just the battery. If the car cranks but dies immediately, that's the transponder side and it needs a tech.

Question 3

My Dodge says it's not detecting the key. What should I check first?

Accepted Answer

Start with the CR2032. A weak battery is the most common cause of range issues and remote function failures on these. Pop the back of the fob, swap the battery, and make sure it's seated correctly -- Avenger owners on forums have reported the small retaining clip can flex slightly and lose contact with a new battery if you don't press it fully into place.

Here's the thing to keep in mind on a remote head key like this one: the remote and the transponder are not the same circuit. If the fob buttons stop responding but the car still starts normally when you turn the key, the transponder is fine and it's purely a battery or remote issue. If the engine cranks and immediately stalls regardless of battery condition, that's the immobilizer not recognizing the chip -- and a battery swap won't fix it. Call for a diagnostic at that point.

Question 4

Can I buy a replacement fob online and program it myself?

Accepted Answer

The remote head key on the 2013 Avenger does have an onboard add-a-key procedure that works in certain situations -- it's an ignition-cycle sequence available when you still have at least one working key. Some owners have had success with it using an aftermarket fob they sourced themselves.

But there's a catch: it only works if the vehicle is not in an all-keys-lost state. If you have no working key at all, that sequence is off the table. You need diagnostic equipment to get back in. Also, the transponder chip inside the fob has to be the correct type for the Avenger's immobilizer, and not every cheap aftermarket fob is. If the remote works but the car won't start after a self-program attempt, the chip compatibility is usually the problem. At that point you've spent money on a fob and still need a tech -- so if you're in any doubt, call first.

Question 5

The buttons on my key still work fine but the plastic housing is cracked and the blade is getting loose. Do I need a full replacement?

Accepted Answer

Not necessarily. If the internal board and chip are undamaged, a shell swap is often all you need. I carry replacement housings for the remote head key format and can transfer your existing electronics into a new shell on site. Because the chip stays the same, the immobilizer doesn't need to relearn anything -- the car already knows that chip. It's a much simpler job than a full replacement and reprogram. Worth a look before you go the replacement route.

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