Scania fault code 1287
Code 1287 is used by 4 different Scania systems. Choose the control unit shown in your diagnostic tool:
TMS Transmission Management System
Solenoid valve for crawl gear, short circuit
Short circuit to earth in the solenoid valve cable harness. If the fault code is also set for the 2nd gear solenoid valve, it may be the 2nd gear solenoid valve that is faulty.
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BMU Battery Management Unit
BMU missing CAN message from CMP
Expected communication with the CMP control unit missing.
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VDT
CAN messages
Fault in CAN communication between the EMS control unit and control unit E754.
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MBS
Expansion unit L, internal fault
The MBS control unit has detected faults in the voltage regulators or communication buses in Expansion unit L.
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