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Home >> Volvo >> 2004 >> S40 Base, 1.9 27 >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Combined Instrument (CI) & Driver Information Module (Dim) Diagnostic Trouble Codes (644 Body) >> Dim-18: Vehicle Speed Signal (1/9). Signal Too High (2003-2004) >> Signal too high >> Intermittent fault

Intermittent fault

Check the cable between combined instrument panel connector terminal #B15 (#15) and the connected control modules. Check for an intermittent short-circuit to supply voltage.

Other information: 

Fig 1: Identifying Voltage Display
GLL101041Courtesy of VOLVO CARS OF NORTH AMERICA.