Bruce Nunnally Posted September 6, 2015 Report Share Posted September 6, 2015 My wife's 2010 Cadillac CTS was getting two DTC's (C0045 and C0242) and also had ABS, stabilitrack, and traction control lights were on. I was hoping it was just the wheel speed sensor but unfortunately it ended up being the hub assembly. The hub assembly has a magnetic ring on the back of the wheel bearing that the speed sensor picks up information from. Once the old hub assembly was removed I could see that the magnetic ring was missing a small piece. Once I had the new hub assembly installed and cleared the DTC's with a scanner the car was running great again. This is not a easy job so definitely take your time! If you have any questions post in the comments and I will try to answer them the best I can. Good Luck! Bruce 2023 Cadillac CT4-V Blackwing Follow me on: Twitter Instagram Youtube Link to comment Share on other sites More sharing options...
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