Scania fault code 1857
Code 1857 is used by 4 different Scania systems. Choose the control unit shown in your diagnostic tool:
MBS
MBS expansion unit A, current above limit value
MBS expansion unit A has detected that the limit values for the current to and from the MBS expansion unit have been exceeded.
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ALLISON Allison automatic gearbox
The clutch for lock-up has jammed in the closed position
The control unit has detected that the torque converter lock-up clutch is slipping.
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CID
CAN communication, short circuit
Short circuit to earth detected on CAN communication.
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DD
CAN communication, short circuit
Short circuit to earth detected on CAN communication.
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