Mode 9

Data Output With A Scan Tool

The output of data relevant to OBD from the control modules was stipulated by law for the USA. It is described in SAE J 1979.

Data output is subdivided into different modes.

Mode 9
Output of vehicle information (as of model year 2002)

Mode 9
The following vehicle information is displayed in Mode 9:
- Vehicle Identification Number
- Programme status (Calibration Identification Number)
- Control unit checksum (Calibration Verification Number)