Volvo Workshop Manuals
XC90 2.5T AWD L5-2.5L Turbo VIN 59 B5254T2 (2003)
Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Communications Control Module > Component Information > Testing and Inspection > Reading and Clearing Diagnostic Trouble Codes > Page 231
-3 dB switch, status
The status indicates whether the -3 db switch was activated or not.
The value displays the time that has passed since the diagnostic trouble code (DTC) was stored.
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