Module, Sentry Key Immobilizer (Skim): Description: Description
The functions and features of the Sentry Key Immobilizer Module (SKIM) (also previously known as the Sentry Key REmote Entry Module/SKREEM, the Wireless Control Module/WCM or the Wireless Ignition Node/WIN) are all integral to the Radio Frequency Hub Module (RFHM) (also known as the RF Hub) and either the Keyless Ignition Node (KIN) in vehicles equipped with the push button ignition Keyless Go (KG) system or the IGnition Node Module (IGNM) in vehicles equipped with a rotary ignition key or FOB with Integrated Key (FOBIK).
The RFHM is the primary component of the Sentry Key Immobilizer System (SKIS). It is also the receiver for the Remote Keyless Entry (RKE) system, the Passive Entry (PE) system, the remote start system and the Tire Pressure Monitor (TPM) system on vehicles so equipped. The RFHM is located on the left side of the cab back panel within the passenger compartment, where it is concealed behind the cab back trim. Refer to MODULE, RADIO FREQUENCY (RF HUB), DESCRIPTION .
The KIN includes the integral ignition push button. The IGNM includes the ignition rotary FOBIK switch or key cylinder switch. The KIN or the IGNM is located in the instrument panel, just to the right of the steering column. The remainder of the KIN or IGNM including its mounting provisions and electrical connections are concealed within the instrument panel. Refer to MODULE, KEYLESS IGNITION NODE, DESCRIPTION or MODULE, IGNITION NODE, DESCRIPTION .