Sentry Key Immobilizer System - Description

SENTRY KEY IMMOBILIZER SYSTEM

The Sentry Key Immobilizer System (SKIS) provides passive vehicle protection by preventing the engine from operating unless a valid electronically encoded key is detected in the ignition lock cylinder. The SKIS used in combination with the export premium version of the VTSS adds a steering shaft lock feature that provides passive protection by preventing the vehicle from being steered unless a valid electronically encoded key is detected in the ignition lock cylinder.

The SKIS includes the following major components, which are described in further detail elsewhere in this service information:

- Powertrain Control Module (1) - The Powertrain Control Module (PCM) is located in the engine compartment Powertrain Control Module - Description.
- Security Indicator - A security indicator is integral to the ElectroMechanical Instrument Cluster (EMIC) (also known as the Cab Compartment Node/CCN). Instrument Cluster - Description.
- Sentry Key Remote Entry Module/Wireless Ignition Node(WIN) - The WIN located on the right side of the steering column concealed beneath the instrument panel.
- Sentry Key Transponder (3) - The Sentry Key transponder is contained within the Remote Keyless Entry (RKE) transmitter on the ignition key.