Scania fault code 1540
Code 1540 is used by 7 different Scania systems. Choose the control unit shown in your diagnostic tool:
TMS Transmission Management System
Creeper gear position sensor and gear 2, unreasonable resistance in the position sensor coil
The control unit interprets that the value of the resistance in the coil of the position sensor is not reliable.
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BMU Battery Management Unit
Refrigerant compressor (E140), low voltage
The voltage to the cooling compressor has been too low for some time.
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MBS
Expansion unit D, temperature too high
Temperature sensor in Expansion unit D has detected that the temperature is above 100°C. The temperature has been too high for more than 30 seconds.
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PCS
Electric machine, position sensor L1, voltage supply short-circuited
The electric machine position sensor L1, T242, does not work as expected.
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AMS
EEC, Control unit for exhaust gas aftertreatment
A fault has been detected in the steering unit EEC.
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COMMUNICATOR Communicator (C200 / C300 / C400)
Software fault
Fault during software check when starting Scania Communicator. Verification of updated software failed.
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SRC
Internal fault
A memory fault has been detected.
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