Scania fault code 1046
Code 1046 is used by 5 different Scania systems. Choose the control unit shown in your diagnostic tool:
BMU Battery Management Unit
Temperature sensor, open circuit or short circuit to battery voltage
The temperature sensor has an open circuit or has short-circuited to battery voltage.
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COO Coordinator
The backup steering system for differential braking, incorrect parameter value
The left part of the parameter is set to a value below 0.8 or above 1.2.
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MBS
Voltage supply, main control unit for the main body system MBS
The voltage on control unit output V2 for electric power supply is below 16 V.
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DAS
Short-range radar, left-hand side
Overvoltage to the short-range radar has been detected.
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TCC
TCC control unit, filler valve for WC tank, short circuit
The control unit has interpreted that the signal is short-circuited to the filler valve for the water tank for flushing.
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