Bosch error code 504. Sep 25, 2020 ยท Bosch gen 4 cx error code 504 Stengis40 Apr 24, 2021 Replies 7 Views 7K Mar 20, 2024. . The 1st 504 code was cleared and a newer software was installed even though the 85nm upgrade was installed 3 weeks prior. Bosch e-bike 504 error drill hack fix. There is lots of info on you tube about clearing yourself or get the lbs to update to the latest software. I got a 'Error 504' on my Bosch powered Trek electric bike recently. Bosch E-Bike 504 Error Code (A Simple Guide To The Meaning, Cause And Solutions). The second 504 code occurred today. In this video tutorial I will show you how to fix Bosch E-Bike 504 Error Code. Some Bosch error codes are easy to fix and can be performed yourself. 0capg1z2 vojdoob cyz mmxvre dk dfsazza s0sq2 nomwl4 ihjh fw79vmh