Hi, we got the same feedback on the same model from another customer before. We checked the data log he uploaded and confirmed that reading error codes is not supported by the ABS module itself.

Hi, thanks for your quick reply! In the data log uploaded by that customer, we saw commands sent from Maxisys Elite are refused by the vehicle ECU. But the conditions on vehicle of that customer may be different from yours. So if you are willing to upload data log for checking, engineers will recheck this case and try their best to find a solution. Once the data log is uploaded, please let me know. Thanks in advance!