Scania fault code 1578
Code 1578 is used by 3 different Scania systems. Choose the control unit shown in your diagnostic tool:
TMS Transmission Management System
Accelerometer, temperature missing
Internal communication fault in the accelerometer.
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BMU Battery Management Unit
SPI bus failure on output for Shunt valve
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PCS
Internal sensor error for accelerometer Z-axis value
HW detection.
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