Scania fault code 1312
Code 1312 is used by 5 different Scania systems. Choose the control unit shown in your diagnostic tool:
TMS Transmission Management System
Solenoid valve for input shaft brake, short circuit
Short circuit to 30 voltage in the solenoid valve cable harness.
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BMU Battery Management Unit
Unknown neg contactor error
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VDT
Internal fault
Internal fault in control unit E754.
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PCS
L2 disengage solenoid valve - short to battery
Detected by HW.
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TCC
TCC control unit, current above limit value
The control unit has interpreted that the current out from the control unit has been exceeded.
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