What is Sentry Key engine immobilizer?

The Sentry Key Immobilizer System prevents unauthorized vehicle operation by disabling the engine. The system uses a key fob, an Ignition Node Module, Keyless Push Button Ignition and a RF receiver to prevent unauthorized vehicle operation.

How does the Immobilizer work on a Jeep Grand Cherokee?

by David Clair. Some models of the Jeep Grand Cherokee are equipped with an immobilizer anti-theft system that disables the engine. The system is activated when something other than an authorized key is used to try to start the engine. Most models are also equipped with an alarm system as part of the security system.

How to remove skim key from Jeep Grand Cherokee?

JEEP SKIM KEY PROBLEM… SOLVED!!!! ECM REPROGRAMMED Jeep Grand Cherokee. Remove SKIM from ECM If playback doesn’t begin shortly, try restarting your device. Videos you watch may be added to the TV’s watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer.

How do you turn off the alarm on a jeep?

Press the power door-lock switch on the keyless entry fob. Close the driver’s side door. Leave all doors closed for about 16 seconds until the Vehicle Security Light on the instrument cluster stops flashing quickly. When the light flashes at a slower rate, this signifies that the system has been reset and rearmed.

Can a wrong key stop the immobiliser system?

Eventhough the immobiliser system can prevent the engine from starting, if a wrong key is used for example, it shouldn´t do anything with the PCI data bus (the WJ´s use the single wire PCI data bus and not the double wire can bus).

When did the Sentry Key immobilizer system come out?

Sentry Key Immobilizer System Beginning in 1998, selected Chrysler products began rolling off the assembly lines with a new advanced security system known as the Sentry Key Immobilizer System (SKIS). Many newer Cherokees are equipped with this feature.

by David Clair. Some models of the Jeep Grand Cherokee are equipped with an immobilizer anti-theft system that disables the engine. The system is activated when something other than an authorized key is used to try to start the engine. Most models are also equipped with an alarm system as part of the security system.

Where can I get a Sentry Key for my Jeep?

Any key shop or hardware store can cut the keys. Programing Sentry keys: 1. Dealer-Programming additional Sentry Keys (requires ONE original key) In situations where only one key is available, keys must be programmed by the dealer via the Secured Access Method. The Secured Access method applies to all vehicles.

How do you put a Sentry Key in a ignition?

Insert one of the two valid Sentry Keys into the ignition switch and turn the ignition switch to the On position. 3. After the ignition switch has been in the On position for longer than three seconds, but no more than fifteen seconds, cycle the ignition switch back to the Off position.

What is Sentry key engine immobilizer?

The Sentry Key Immobilizer System prevents unauthorized vehicle operation by disabling the engine. The system uses a key fob, an Ignition Node Module, Keyless Push Button Ignition and a RF receiver to prevent unauthorized vehicle operation.

What is a Sentry key?

The Sentry Key Immobilizer System prevents unautho- rized vehicle operation by disabling the engine. The system does not need to be armed or activated. Operation is automatic, regardless of whether the vehicle is locked or unlocked.

Can you reset a Sentry safe combination?

Open you Sentry safe by typing the five-digit factory code (found in your owner’s manual) on the keypad. Delete any old codes by pressing the “PROG” key and entering your factory code twice. Press the “PROG” key again on your Sentry safe’s keypad. Press the “PROG” key again on your Sentry safe’s keypad.

When did the Sentry Key immobilizer system come out?

Sentry Key Immobilizer System Beginning in 1998, selected Chrysler products began rolling off the assembly lines with a new advanced security system known as the Sentry Key Immobilizer System (SKIS). Many newer Cherokees are equipped with this feature.

Where can I get a Sentry Key for my Jeep?

Any key shop or hardware store can cut the keys. Programing Sentry keys: 1. Dealer-Programming additional Sentry Keys (requires ONE original key) In situations where only one key is available, keys must be programmed by the dealer via the Secured Access Method. The Secured Access method applies to all vehicles.

How do you put a Sentry Key in a ignition?

Insert one of the two valid Sentry Keys into the ignition switch and turn the ignition switch to the On position. 3. After the ignition switch has been in the On position for longer than three seconds, but no more than fifteen seconds, cycle the ignition switch back to the Off position.

What does the skis immobilizer system consist of?

The SKIS immobilizer system consists of the SKIM (sentry key immobilizer module), which has an antenna which uses HF signals to detect a valid key, and the PCM. Thank you for that link, very interesting reading.