Scania fault code 4207
Code 4207 is used by 3 different Scania systems. Choose the control unit shown in your diagnostic tool:
EMU
Refrigerant compressor E158, internal fault
The refrigeration compressor is reporting that the current phase is below 0.25 A for 20 seconds when the refrigeration compressor is running. The fault code may expire by itself, t…
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BMU Battery Management Unit
Charging current limit exceeded
The propulsion battery's charging current was higher than the fixed limit sent.
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DDU
External amplifier, channel 3, short circuit to power supply
The external amplifier has measured a voltage that indicates a short circuit to battery voltage.
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