System Readiness Codes: Notes
WARNING: This page is about a different car, the 1996 Volvo 850. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
The following information is from Volvo technical service bulletin No. 0059, Section 2, Group 23, dated July, 2002.
NOTE:
Readiness codes will display READINESS=YES or NO after 2 TRIP cycles have been completed. Readiness codes may display INCOMPLETE at end of testing. This will not affect ODB-II function and can be disregarded.