Adjustment data (for correcting hardware/component tolerances) Checksum calculation has failed
|  | 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 Checksum calculation has failed Effects on the driving operation Hard shifts. Inaccurate temperatures. Possible causes Copying from FRAM to RAM was unsuccessful. Adjustment data are faulty. The checksum stored in the FRAM is incorrect. Place of action No description available. Instruction Load updated software, if this remains without success, replace the control unit. 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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