Scania fault code 4384
Code 4384 is used by 3 different Scania systems. Choose the control unit shown in your diagnostic tool:
DDU
Red warning indication, activation time limit exceeded
Information is missing, update is in progress.
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AMS
Midbed NOx sensor (pre-ASC2) supply, short circuit to ground
The EEC control unit (E67) is indicating a short circuit to ground fault on the pins connected to the midbed NOx sensor (pre-ASC2) supply.
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GSC
Gas leakage in the high pressure section
The fuel pressure has dropped too much in a short period of time.
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