Checking the control module

WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Ignition ON

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Ignition on.
Test drive the car according to Test driving .

Stop the car. Do not switch off the ignition.

Read off the diagnostic trouble code (DTC) status.

Fig 2: Identifying VCT2000 Diagnostic Tool Symbol In VIDA
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Fig 3: Checking Freewheel Function (Poly V-Belt Removed)
Courtesy of VOLKSWAGEN UNITED STATES, INC.

Is the status permanent?

YES
Refer to Replacing the component
NO
Refer to Fault-tracing information