CAN-pushbutton switch E330 Stack overflow or stack underflow
|  | Description
|  | Effects on the driving operation
|  | Possible causes
|  | Place of action
|  | Instruction
|  | Setting conditions of the event
|  | Testing conditions of the event
|  | Final function check
Description An internal hardware fault has occurred in the CAN-pushbutton: There has been a stack overflow or stack underflow. Effects on the driving operation Driving is no longer possible. The transmission shifts to neutral. All buttons on the gear range selector are flashing. The limp-home switch allows activating the limp-home mode. Possible causes Gear range selector defective. Place of action No description available. Instruction Replace gear range selector. Setting conditions of the event No description available. Testing 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 function. After the fault has been eliminated, the following steps have to be carried out: Conduct a test drive with function check. Read the fault memory Check transmission for leaks. Perform a final visual inspection. These steps are necessary to ensure the entire vehicle functions correctly.
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