Scania fault code 673
Code 673 is used by 4 different Scania systems. Choose the control unit shown in your diagnostic tool:
TMS Transmission Management System
Tachograph, fault in the vehicle speed value
The electronic control unit indicates a fault in the vehicle speed reading.
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CUV Visibility system
Acoustic vehicle alert, interrupted load
Sound from acoustic vehicle alert does not follow the vehicle speed or is degraded.
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BCI
Short circuit, analogue input signal, expansion unit F (pin 20)
Short circuit to earth.
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CMS
Information fault, parking brake
Faulty information regarding the parking brake.
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