Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Keyless Entry Module: Description and Operation

The Sentry Key Remote Entry Module (SKREEM) performs the functions of the Sentry Key Immobilizer Module (SKIM), Remote Keyless Entry (RKE) Module, and the Tire Pressure Monitoring (TPM) System (previously part of the Electronic Vehicle Information Center (EVIC).

The SKREEM is located in the same location as the SKIM was and is mounted the same way. It looks identical, but has added capabilities.