ABS and Traction Control Light Comes on and Goes Back Off

[BettyYukon]

These popped up on my ‘19 Yukon one day. ABS and Traction light came on as well. It disengaged my cruise control and wouldn’t let me use it the rest of the drive. I got to my destination and turned the car off. When I got back in and turned it back on, all warnings were gone. Then, I went 4-5 days until it happened again. Any ideas?

 

[Fless]

Not enough info; we need to see what the diagnostic trouble code (DTC) is that triggered these warnings.

 

[Biscuit mobile]

I just got the same issue on a 2017 Denali. I have no CEL but I pulled codes and cleared the old ones. No active codes and old codes were, miss fire, O2 sensor, O2 heater.
I'll put the bigger scanner on tomorrow and I expect to see a wheel speed sensor tripping the ABS light. The cruise and stability track should correct with the same repair. Fingers crossed.

 

[BettyYukon]

The lights kept going on and off today so finally took it to get scanned. They stated it was the ABS module. Waiting on pricing and to see if my warranty company will cover it.

 

[Biscuit mobile]

I got a chance to scan mine today. The wheel sensors all tested good but the EBCM failed the test. I saw the idle voltage going to it was 0.2V. When I turned on the pump it made no sound and took only 2-3 seconds to fail the test. It said, the pump was stuck. There is a motor in there and solenoids at least. So what is stuck? The motor, the pump or a solenoid? If the motor was stuck, wouldn't it blow a fuse? I printed the trouble shooting pages for checking the system before replacing the EBCM. Amazon has OEM GM for $299 and $404 depending on your part number. I have the Yukon XL Denali 4x4. I don't see aftermarket parts for this but being it's ABS I don't think I'd want to open this up and only change a single part. All or nothing probably is the best route with this.