Vehicle-specific data Vehicle speed over CAN faulty
|  | 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 Vehicle speed over CAN faulty. Effects on the driving operation Hard shifts Possible causes An incorrect value for the vehicle speed was received on the CAN bus. Place of action No description available. Instruction Check cables and plug connections check external control unit Using the SAE-J1939-CAN protocol: Check CAN-message 'Cruise Control/Vehicle Speed (CCVS)' 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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