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

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Keyless Entry Receiver: Testing and Inspection




Remote Control Door Lock Receiver Programming and Setup

The remote control door lock receiver only acts as an antenna, receiving the signals sent by the keyless entry transmitter and sending them to the body control module (BCM). Because the keyless entry software is contained in the BCM, the remote control door lock receiver requires no programming or setup after replacement.