Adjustment data (for correcting hardware/component tolerances) The checksum calculation has failed.
|  | 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 The checksum calculation has failed. Effects on the driving operation Hard shifts and inaccurate temperatures. Possible causes Copying from FRAM to RAM unsuccessful. Adjustment data are faulty. The checksum stored in the FRAM is incorrect. Place of action No description available. Instruction Load updated software, if unsuccessful, replace control unit. 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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