Scania fault code 1543
Code 1543 is used by 5 different Scania systems. Choose the control unit shown in your diagnostic tool:
TMS Transmission Management System
Position sensors for gear 1 and gear 3, 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.
Read explanation →
BMU Battery Management Unit
Propulsion battery compressor, internal fault
The compressor reports a fault in the UI sensor.
Read explanation →
MBS
Expansion unit L, temperature too high
Temperature sensor in Expansion unit L has detected that the temperature is above 100°C. The temperature has been too high for more than 30 seconds.
Read explanation →
AMS
EEC, Control unit for exhaust gas aftertreatment
A fault has been detected in the steering unit EEC.
Read explanation →
COMMUNICATOR Communicator (C200 / C300 / C400)
Software fault
Fault during software check when starting Scania Communicator.
Read explanation →