Scania fault code 744
Code 744 is used by 4 different Scania systems. Choose the control unit shown in your diagnostic tool:
TMS Transmission Management System
CAN message from the BMU control unit is missing
The control unit indicates that an expected CAN message is missing. The message is expected from the BMU control unit when the voltage is on and when the charging cable is connecte…
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COO Coordinator
Switch for raising and lowering the rear air suspension
The switch has been active for more than 3 minutes.
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BCI
Programmable switch
A programmable power take-off switch is defective.
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CMS
Electrohydraulic pump for power steering
There is an overload or short circuit to ground on the PWM signal from the electrohydraulic pump for power steering.
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