For 1990-2009 cars

Scan Tool Parameter | Data List | Units Displayed | Typical Data Value
--- | --- | --- | ---
Operating Conditions: Key On, Engine Off
Last Fob Used | Key Fob Information | None. 1, 2, 3, 4, or 5 | Varies
Last Key Pressed On Fob | Key Fob Information | No Key Press, Unlock, Lock, Low Batt., Trunk, Valet, Panic | No Key Press
Last Alarm Cause | Security Data | Ultrasonic Fault, Ultrasonic Sen., Ignition, Trunk, Hood, Door, None | None
2nd to Last Alarm Cause | Security Data | Ultrasonic Fault, Ultrasonic Sen., Ignition, Trunk, Hood, Door, None | None
3rd to Last Alarm Cause | Security Data | Ultrasonic Fault, Ultrasonic Sen., Ignition, Trunk, Hood, Door, None | None
4th to Last Alarm Cause | Security Data | Ultrasonic Fault, Ultrasonic Sen., Ignition, Trunk, Hood, Door, None | None
5th to Last Alarm Cause | Security Data | Ultrasonic Fault, Ultrasonic Sen., Ignition, Trunk, Hood, Door, None | None