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

Scan Tool Data Definitions

8 Digit GM Part Number: Display indicates the part number of the module.

# of Fobs Programmed: Display indicates the number of key fobs that have been programmed into the module.

Battery Voltage: Display indicates the voltage input, 0 - 30 volts is the operating range.

Calibration ID: Display indicates the 4 digit calibration ID of the module.

Key Pressed On Fob: Display indicates the function of the last key fob button received by the module. The functions possible are Alarm, All Door Unlock, Door Lock, Dr Door Unlock Fuel Door and Trunk.

Last Fob Used: Display indicates the number of the last fob received by the module. There may be up to four fobs programmed for the RFA.

Program Key Fobs: Display allows the number of key fobs to be selected and programmed into the module.

PROM ID: Display indicates the 4 digit PROM ID of the module.