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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Scan Tool Data Definitions

RIM - Data List - CTD State: The RIM monitors the content theft deterrent status.

RIM - Data List - Driver Door Jamb Switch: The RIM monitors all door switch inputs to know when a door activates the alarm.

RIM - Data List - Pass. Door Jamb Switch: The RIM monitors all door switch inputs 10 know when a door activates the alarm.

RIM - Data List - Left Rear Door Jamb Switch: The RIM monitors all door switch inputs to know when a door activates the alarm.

RIM - Data List - Right Rear Door Jamb Switch: The RIM monitors all door switch inputs to know when a door activates the alarm.

RIM - Data List - Prom I.D.: This is the modules internal "Prom" identifier.

RIM - Data List - 8 Digit GM Part Number: The scan tool displays the control module part number.

RIM - Data List - Power Mode Change: The scan tool displays when the vehicles power source has changed to ON, IGN, or RAP, and CTD is activated.

VTD - Data List - Manual Enable Counter: This final assembly data value is for use at the assembly plant.

VTD - Data List - Auto Learn Timer: The current state of the 10 minute timer, which must "Time out" 3 times in order for the relearn procedure to be authorized.

VTD - Data List - Seed and Key Timer: This state must "time out" for the relearn to occur.

VTD - Data List - # of Learned Key Codes: The number of transponder values learned by the VTD controller module.

VTD - Data List - Ignition Counter: The module counts each time the ignition is cycled.

VTD - Data List - Security Lamp Status: The scan tool monitors the status of the security indicator in the instrument panel.

VTD - Data List - Starter Relay Status: The scan tool monitors the current status of the starter relay.

VTD - Data List - Clear Manufactures Enable Counter: Clears the final assembly data value, programmed at the factory

VTD - Data List - VTD States: The scan tool displays which state the VTD module is monitoring.