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
If it fails: lemon-manuals.org.ua

Or, hide this message: temporarily or permanently

Scan Tool Data Definitions



Scan Tool Data Definitions

Steering Column Module (SCM)
Module Information- 8 Digit GM Part Number
This displays the part number for the SCM.

Module Information- Component Serial No. 8-11
This is the first partition of the serial number.

Module Information- Component Serial No. 12
This is the second partition of the serial number.

Data Display - Data -Motor Current
Displays amperage. This is the current being used by the motor during operation.

Data Display - Data -Telescope Sensor
Displays sensor feedback counts or voltage. Voltage available on scan tool through soft key in the data list.

Data Display - Data - Telescope Tilt Output
Displays the module output command state.

Data Display -Data -Telescope Tilt Switch
Displays switch state which are Idle, In, Out, Up, or Down.

Data Display - Data - Tilt Sensor
Displays sensor feedback counts or voltage. Voltage available on scan tool through soft key in the data list.

Module Information- Calibration ID
This displays the calibration or program revision level used in the PROM.

Module Information- Julian Date Of Build
This displays the day of the year the module was built.

Module Information- PROM ID
This displays the four digit number of the PROM incorporated into the Steering Column Module (SCM).

Module Information- Year Module Built
This displays the four digit year of build.