Scania fault code 1800
Code 1800 is used by 4 different Scania systems. Choose the control unit shown in your diagnostic tool:
COO Coordinator
Incorrect MCU version number
The MCU control system is not working due to a COMP fault.
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MBS
Expansion unit M, current above limit value
Expansion unit M has detected that the current to and from Expansion unit M has exceeded the following limit values for more than 5 seconds: Power supply pin group V1: 20 A. Power…
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ALLISON Allison automatic gearbox
Gear range sensor, voltage high
Contact an Allison dealer.
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ICL Instrument Cluster
Control unit
The control unit was switched off incorrectly.
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