Read chapter Fault-tracing diagnostic trouble codes (DTCs)

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.

If communication with the engine control module (ECM) cannot be established, see Checking communication with RTI control module .
Read off and note down the diagnostic trouble codes (DTCs).

Fig 1: Identifying Scan Tool
Courtesy of VOLVO CARS OF NORTH AMERICA.

Have diagnostic trouble codes (DTCs) been stored?

YES
Refer to DTC table
NO
Refer to Table of symptoms;