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Question about dash lights and if they are related or not

808 Views 1 Reply 2 Participants Last post by  DrivenDaily
Hello, I have a 2011 Malibu and In the past few months I had the ABS, traction and ESC lights come on. I had concluded that it was most likely a speed sensor, but I just hadn’t gotten a scanner on it to confirm/deny my theory. But now the tire pressure light came on and is not reading the tire pressure in my right rear tire. Would this be associated with the speed sensors? I wasn't sure if these were all read by the same sensor or not. Also would replacing the wheel bearing be a possible fix to all of these issues? Thank you.
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TPMS and the other items are not related unless the car's battery is on its way out, and then all bets are off.

2011 means 8 or 9 years on the TPMS batteries, 1 in each valve/sensor. A couple years ago I had mine start to show --- in the dash for one sensor. I needed tires not long after that and they had a sale on non-GM sensors. I bought and installed 'em for $200, not including the tire purchase, mount, and balance.

ABS, Traction, and ESC may all be related to any one of a number of sensors that feed info to the BCM so it can determine what to do.

All 3 need each VSS (veh speed sensor) to be good, as well as the SAS (steering angle sensor, aka yaw sensor) and probably some others that I don't know.

You may also want to check the level of the brake fluid.
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