Scania fault code 79
Code 79 is used by 3 different Scania systems. Choose the control unit shown in your diagnostic tool:
COO Coordinator
Gear selector for Comfort Shift
Incorrect signal or combination of signals from one or more of the gear selector micro switches.
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CUV Visibility system
Relay 19
Open circuit or too low current consumption in circuit.
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AUS Audio System
Central mid-range speaker, open circuit
Open circuit in the loudspeaker circuit.
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