Scania fault code 889
Code 889 is used by 4 different Scania systems. Choose the control unit shown in your diagnostic tool:
BMU Battery Management Unit
Battery module 6 in propulsion battery, implausible temperature
The temperature monitoring in the propulsion battery is outside the measurement range.
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VDT
Automatic neutral
Invalid parking brake value sent on CAN from the coordinator.
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COO Coordinator
Switch module
The control unit interprets that the switch module is misconfigured. The chassis serial number in the control unit and switch module differ.
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MBS
#Not implemented. Short circuit on Auxiliary fuel valve request OPEN output
Short to ground or battery detected on the pin for auxiliary fuel valve request open output. Voltage at pin out of valid range.
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