Reading off 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.

Fig 1: Identifying Ignition Switch ON Position

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ignition on.
Wait at least 1 minute.
Ignition off, remove the key from the ignition switch and close all doors, the hood, trunk lid or tailgate.
Lock the car with the remote control.
Wait for approximately 10 seconds.
Unlock the car with the remote control.
Ignition on.
Read off diagnostic trouble codes (DTCs).

Fig 2: Identifying VCT2000
Courtesy of VOLVO CARS OF NORTH AMERICA.

Did diagnostic trouble code (DTC) GLA-321 recur?

YES
Refer to Checking the connectors
NO
Refer to Intermittent fault

Fig 1: Identifying Ignition Switch ON Position

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ignition on.
Wait at least 1 minute.
Ignition off, remove the key from the ignition switch and close all doors, the hood, trunk lid or tailgate.
Lock the car with the remote control.
Wait for approximately 10 seconds.
Unlock the car with the remote control.
Ignition on.
Read off diagnostic trouble codes (DTCs).

Fig 2: Identifying VCT2000
Courtesy of VOLVO CARS OF NORTH AMERICA.

Did diagnostic trouble code (DTC) GLA-321 recur?

YES
Refer to Checking cables
NO
OKAY: Troubleshooting has been completed.