CAN gear range selector E330 Contradictions during the plausibility check of the pushbutton signals against the pushbutton redundancy signals
|  | Description
|  | Effects on the driving operation
|  | Possible causes
|  | Place of action
|  | Instruction
|  | Setting conditions of the event
|  | Test conditions of the event
|  | Final function check
|  | See also:
Description Contradictions have been detected during the plausibility check of the pushbutton signals against the redundancy signals. Effects on the driving operation The transmission shifts to neutral. After applying neutral and re-engaging the gear, driving may be possible again. If not, replace the gear range selector. The limp-home switch allows activating the limp-home mode. Possible causes System handled incorrectly (pressing R with force while D,1,2,3 are depressed or vice versa). Fumbling with the buttons (repeatedly pressing/releasing the buttons quickly.) Moisture has penetrated into the gear range selector. Gear range selector defective. Place of action No description available. Instruction Apply all buttons and check them using the diagnostic function. Replace gear range selector if necessary. Setting conditions of the event No description available. Test conditions of the event No description available. Final function check If the defective component cannot be clearly identified, you should try to reproduce the fault: Reinstall the component in the vehicle. Test the function. After the fault has been eliminated, the following steps have to be carried out: Conduct a test drive with function check. Read out the fault memory. Check the transmission for leaks. Perform a final visual inspection. These steps are necessary to ensure the entire vehicle functions. See also:
|  | Aftersales service index
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