Scania fault code 643
Code 643 is used by 4 different Scania systems. Choose the control unit shown in your diagnostic tool:
VDT
Internal fault
Invalid configuration.
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COO Coordinator
Parking brake
The signal from one of the pressure switches for the parking brake circuit is implausible in relation to the vehicle speed. The parking brake circuit has one pressure switch that m…
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MBS
Expansion unit J, initiation
No communication with expansion unit J after initiation.
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BCI
Overload, C259-12
Overload at output. Current drawn at output exceeds 3.5 A.
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