Security system problem

Tiny
JHAWKFRED
  • MEMBER
  • 2005 DODGE CARAVAN
  • 3.8L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 184,000 MILES
The "Sentry" security system on my van listed above STX trim van never flashes anymore, which came to my attention when I couldn't program a replacement key recently. I had a locksmith come out unlock and make me a key when I lost mine a few years ago, and I cannot remember the system flashing after that. How did the locksmith technician gain access, to program the replacement key to match the ignition? More importantly, what did he forget to do to re-enable the system and how do I do it?
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Monday, September 14th, 2020 AT 3:20 PM

4 Replies

Tiny
4DRTOM
  • EXPERT
Hello,

Locksmiths I believe have licences and they get access to information to do there job. Currently is it just the light flashing that your trying to take care of or are you having trouble starting your car or disengaging the alarm?

Common communication problems:
- Two transponder keys too close together.
- Speed Pass too close to transponder key. Solid indicator that there is a system failure.
- Loss of PCM communication.
- Failed antenna circuit.

Here is an article on remote key programming:

https://www.2carpros.com/articles/how-to-re-program-a-key-remote-fob

Here is what they say about programming you new key.
PROGRAMMING THE IGNITION KEYS TO THE SKREEM

1. Turn the ignition on (transmission in park/neutral).
2. Use the DRBIII(R) and select THEFT ALARM, SKREEM, then MISCELLANEOUS.
3. Select PROGRAM IGNITION KEYS.
4. Enter secured access mode by entering the vehicle four-digit PIN.

NOTE: A maximum of eight keys can be learned to each SKREEM AT ONE TIME. Once a key is learned to a SKREEM it (the key) cannot be transferred to another vehicle.

If ignition key programming is unsuccessful, the DRBIII(R) will display one of the following messages:

Programming Not Attempted - The DRBIII(R) attempts to read the programmed key status and there are no keys programmed in the SKIM memory.

Programming Key Failed - (Possible Used Key From Wrong Vehicle)
- SKREEM is unable to program key due to one of the following:
- faulty ignition key transponder
- ignition key is programmed to another vehicle.

8 Keys Already Learned, Programming Not Done - SKIM transponder ID memory is full.

1. Obtain ignition keys to be programmed from customer (8 keys maximum)
2. Using the DRBIII(R), erase all ignition keys by selecting MISCELLANEOUS and ERASE ALL CURRENT IGN. KEYS
3. Program all ignition keys.

Learned Key In Ignition - Ignition key transponder ID is currently programmed in SKREEM memory.

Let me now if this helps out.
Tom
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Monday, September 14th, 2020 AT 8:46 PM
Tiny
JHAWKFRED
  • MEMBER
So far as I can tell, the alarm system is not functioning, or is partially disabled. I am able to operate the car normally. There is never a flashing light when the car is locked, nor will the key programming method in the owners manual work anymore. Key programming does not require any kind of pin for the 2005. Instead one must have a key that works to perform a ritualistic set of steps, swapping out the new key and the working key. There is no mention in the owners manual of a maximum number of keys (might be getting close if it is 8) that can be programmed and I get no warning message. So if I reach the limit, can the limit be reset? How would having the two sliding door locks that don't actuate influence the system sensor inputs? (The car does detect when those doors are ajar, but I don't know if that is a separate set of inputs.)
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Monday, September 14th, 2020 AT 10:27 PM
Tiny
JHAWKFRED
  • MEMBER
After, carefully rereading your post and my response, I have a few more questions. Where does one get the vehicle 4-digit PIN to enter the secured access mode? Is the DRBIII(R) tool common with those other than the dealer, like the locksmith or would the locksmith have something equivalent to do the same thing? If the Skreem programmable registers are cleared, can the existing keys be added back to the registers or must they be replaced?
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Wednesday, September 16th, 2020 AT 10:37 PM
Tiny
JHAWKFRED
  • MEMBER
So I am tempted to try the "reset" procedure. Is there a downside to doing this, like bricking the PCM or SKREEM?
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Wednesday, September 16th, 2020 AT 10:42 PM

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