Scania fault code 658
Code 658 is used by 8 different Scania systems. Choose the control unit shown in your diagnostic tool:
BMU Battery Management Unit
Cab heater active in off mode
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COO Coordinator
Coordinator
Internal fault in the control unit.
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MBS
End position sensor for electrically powered wheelchair ramp
Fault detected in the end position sensor (wheelchair ramp retracted) for the electric wheelchair ramp.
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ELC Electronically controlled air suspension
Control unit
Incorrect or unreliable data.
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CUV Visibility system
Headlamp, left
Left-hand dipped beam and side marker light cannot be activated.
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BCI
Short circuit, BCI1 pin C2 (truck) or C628-16 (bus)
Short circuit to earth.
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CMS
Solenoid valve for differential lock, double-drive bogie
The solenoid valve (V11) that controls the differential lock for the double-drive bogie, connected on PWM output 2 (Pin: signal A6, ground A4) is either not connected or is short-c…
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DAS
Overloading of the control unit
The system continuously monitors the load on the control unit and the memory function. In the event of high load way, the fault code is generated.
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