Scania fault code 539
Code 539 is used by 4 different Scania systems. Choose the control unit shown in your diagnostic tool:
COO Coordinator
Cruise control
The supply voltage is below the threshold value.
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ELC Electronically controlled air suspension
Control box 1
Implausible value.
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CUV Visibility system
Trailer direction indicator, right-hand
Current consumption on the control unit output has exceeded 6.7 A for one second.
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BCI
BIC program
Fault in the control unit BIC program.
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