Question about 2002 Chrysler Voyager

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P 1685 =skim (smart key immobilzer modual) has recieved an invalid key. question how to fix this fault.

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  • Chrysler Master
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Sounds like a dealer would have the scanner to program the immobilizer to accept your key(s).

Posted on Nov 07, 2010

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Posted on Jan 02, 2017

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On my 1999 jeep wrangler [2.4L- 5spd] a circle w/a key in it appears on the upper left of the dash & it will start/run for a few seconds then shut down


i would think that it is an immobilizer symbol letting you know of a problem with the key in use
talk with a service dealer or have the fault codes read to see if there is an immobilizer fault

Nov 08, 2015 | 1999 Jeep Wrangler

1 Answer

2006 Raider. Check engine light on-Key not recognized-invalid Vin ??


Begin with the basics........
Check engine lamp illuminated ??
Scan,code(s) stored ??

May 28, 2015 | 2006 Mitsubishi Raider

1 Answer

How do i fix a skim key problem with a 99 intrepid?


SKIM is short for sentry key immobilizer module. It uses a proximity sensor and a special "sentry" key to keep people from stealing your car. They are notoriously unreliable, and can only be programmed by a dealer or authorized mechanic (TRANSLATION: expensive test equipment required). They fail in strange ways, and you can't use a "copied" generic key. If your sentry key or sensor has failed, a dealership can get you going again quickly. If there is a communication problem or other strangeness happening, it could take a few hours for the tech to sort out. 25315837-dz1fkxf1fwolart5ai0divhk-3-0.gif 25315837-dz1fkxf1fwolart5ai0divhk-3-1.jpg

Dec 10, 2014 | 1999 Dodge Intrepid

1 Answer

1999 Jeep Cherokee grand..starts for a few seconds and shuts off


dies it have IMMO???? the IMMOBILZER?
id the light glowing, saying IM UNHAPPY?
1st google hit, of 6000 says SKIM failure.
been swapping major electronics ?
i see you left out the full story.
i did X and not SKIM is unhappy// what is X?

the FSM covers this, read the FSM>
or goggle Jeep SKIM

Smart Key Immobilizer Module = SKIM

Dec 29, 2013 | 1999 Jeep Grand Cherokee

1 Answer

Reset the ignition anti theft on my 2004 dodge stratus


If you are referring to the factory immobilizer, there is no resetting to be done.

The Sentry Key Immobilizer System (SKIS ) is designed to prevent unauthorized vehicle operation. The system consists of a Sentry Key Immobilizer Module (SKIM ), ignition key(S) equipped with a transponder chip and PCM. When the ignition switch is turned on, the SKIM interrogates the ignition key. If the ignition key is Valid or Invalid, the SKIM sends a PCI Bus message to the PCM indicating ignition key status. Upon receiving this message the PCM will terminate engine operation, or allow the engine to continue to operate.


For all faults except transponder faults and VTSS LED remains on steady. In the event of a transponder fault the LED flashes at a rate of 1 Hz (once per second). If a fault is present the LED will remain on or flashing for the complete ignition cycle. If a fault is stored in SKIM memory which prevents the system from operating properly, the PCM will allow the engine to start and run (for 2 seconds ) up to six times. After the sixth attempt, the PCM disables the starter relay until the fault is corrected.

Aug 14, 2013 | 2004 Dodge Stratus

1 Answer

I have two codes coming up p.0051 and p 1685 i had to replace the fuel pump and now my radio can be tuned in but no sound can anyone help?


under the back seat is the amplifier and i suspect that you disturbed a multiplug when the pump was changed
P1685 The SKIM (Smart Key Immobilizer Module) has received an invalid key

P0051 HO2S Heated Oxygen Sensor -Control Circuit Low (Bank 2 Sensor 1)
check the sensor with a multimeter is the sensible option here before you replace it in case its a dirty or corroded multiplug connection

Mar 08, 2012 | 2001 Jeep Grand Cherokee

1 Answer

P0702 p1685 fault code on 2.7crd merc transmission


DTC P0702 - Transmission Control System Electrical
There is a code in the ****** control module and need to check harnesses and wiring, as first step.

DTC P1685 - Skim Invalid Key
Transponder ID (in ignition key) is monitored with ignition on. DTC will set if transponder ID read by Smart Key Immobilizer Module (SKIM) does not match any transponder ID's stored in SKIM memory. Possible Causes:
- Incorrect VIN In PCM
- Invalid SKIM Key Present
- No Communication With SKIM
- No VIN Programmed In The PCM
- PCM SKIM Trouble Codes Set

I would suggest clearing all these codes, and drive it until the problem arises again, or the check engine light comes on, and then check for codes again. To clear the codes you will need to remove the negative battery cable, and touch it to the positive cable, for about 15 seconds. Then re hook and all the modules will be reset. If this isnt work, visit your Trans Service.

Hope this helps; also keep in mind that your feedback is important and I'll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using Fixya, and have a nice day.

Oct 27, 2011 | 2002 Jeep Grand Cherokee

2 Answers

A.B.S LIGHT STAYS ON,& COMPUTER SHOWS FAULT CODE P1685,BUT I CAN`T DECIPHER THE CODE. CAN YOU HELP.


P1685 is:
P1685

Skim Invalid Key

The engine controller has received an invalid key from the SKIM.



You can get a full list of error codes from:

http://www.wjjeeps.com/faultcodes.htm

Jun 21, 2011 | 1997 Jeep Grand Cherokee

1 Answer

I have a 04 pt cruiser with airbag light and chime intermittent fault code p1685


p1685,,"skim invalid key"
I have no idea what they are talking about, but that is the code.

DTC P1685 is Invalid SKIM Key. The Sentry Key Immobilizer Module (SKIM) is part of the security system and kills the vehicle when a wrong key is used. There may be a problem with your key or the chip reader in the ignition switch. This is something the dealer will need to determine for sure. This code will also be set if someone actually tried to steal the vehicle.


My guesswould beto reset your PCM (unhook bat. and depress brake for 1 min), then try to start the car. If that doesn't work, I guess haul it into a dealership so they can run a diagnostic quote.gif

I got this from another site, check it out.

Aug 07, 2010 | 2003 Chrysler PT Cruiser

1 Answer

2000 neon check engine light is on


P1685 Skim Invalid Key.

The Sentry Key Immobilizer Module contains a Radio Frequency (RF) transceiver and a microprocessor. The SKIM transmits RF signals to, and receives RF signals from the Sentry Key transponder through a tuned antenna ring integral to the SKIM housing. When the ignition switch is turned to the On position, the SKIM transmits an RF signal to the transponder in the ignition key. The SKIM then waits for an RF signal response from the transponder. If the response received identifies the key as valid, the SKIM sends a valid key message to the PCM over the PCI data bus. If the response received identifies the key as invalid, or if no response is received from the key transponder, the SKIM sends an invalid key message to the PCM. The PCM will enable or disable engine operation based upon the status of the SKIM messages.

you can look it up here:
http://www.engine-light-help.com/check-engine-light-domestic.html

Sep 13, 2009 | 2001 Plymouth Neon

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