Im having the dreaded ABS issue. Changed both bearings and checked both of the wiring harnesses coming from the wheel speed sensors. They are all good. Now i'm getting the U0121 ENG Code ( Lost communication with the Anti-Lock brake system control module.) Anyone had any luck with any of this?

 

I have car at dealership with lost transmission control module. Took it in for wheel sensor & Check engine light was on. Tech got lock out of car's computer and would not shift out of 2nd gear. Ugh !!

 

Hi HightechRedneck,

We're sorry to hear of this issue that you have been experiencing with your vehicle. I understand that you are seeking opinions from the other forum members, but if further assistance is needed we are here to help! Feel free to send us a private message with your full contact information, VIN, current mileage, and dealership name if our assistance is needed. We look forward to hearing from you!

Beverlyb,

Please feel free to follow up with us after your dealership visit. If further assistance is needed we are here to help!

Kristen A.
Chevrolet Customer Care