1.3.2.1.9. Check power supply at control unit N93 (Central gateway control unit).
1.3.2.1.9. No further information available.
If the fault code is not current, it may be deleted. In this case, the battery voltage was too low over an extended period.Charge the battery, if
necessary.Note:This fault could result in consequential faults. You should therefore process this fault first and then erase the fault
memory.Question:Is the fault current in several control modules?
YES
Possible cause and remedy
- Battery voltage too low.Test battery.Charge battery, replace if necessary.
- If fault occurs again:Check alternator.Communication with ECU required
- The quiescent current is too high.Test quiescent current.
NO
Test prerequisite
- Fuse o.k.
- Fuse o.k.
Test sequence
- Ignition: OFF
- Measurement at component
- Measure direct voltage with multimeter between ground socket and socket
Specified value
- Voltage[11.0...14.5] V
Question
- Is the measurement value OK?
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