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fault code 412 400

Engine code from socket 2?

In that case it should be: Full throttle signal missing

On the 480 you would need to check he wiring from the CEM to the ECU. On the 440/460 you can only reset the code.

The Mark-IV ABS system (if installed) provides codes on socket 3 and there 4-1-2 means that the output valve for the left front wheel has a problem. Either a short-circuit or an open circuit.

Bye, Arno.






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