TCM Diagnostic Check Status
WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.
The value indicates whether the transmission control module (TCM) has carried out a complete diagnosis.
- At least one diagnostic test not completed
- All diagnostic tests complete