service trailer brake

  1. L

    Battery Drain/Service Trailer Brake System

    Hi. I have a 2015 Tahoe LT. I took it to the dealership for an oil change and fix a recall (computer update to make the brake pedal more stiff is what I was told). Since then, I've noticed when I hit a bump the radio cuts off, the AC flickers, and the dash screen flashes. The dealership said...
  2. B

    2022 Tahoe w/ Max Trailer Pkg. Trailer Brake System Disabled, Needs Servicing

    Hello, new to this forum. I recently purchased a 2022 Tahoe w/ Trailer pkg. I hooked up my camper this week and the Tahoe recognized the camper being hooked up and I saw the brake gain when I applied the brakes. Then after a moment the display read: Trailer Brake System Disabled, Needs...
  3. K9ErnieSSV

    2014 Tahoe FPCM No Ign. 1 Signal P069E and P2534 codes.

    My 2014 Tahoe SSV had a Check Engine light and Service Trailer Brake message on the DIC. Scan Tool shows P069E and P2534. Replaced both batteries so that shouldn't be a factor. Cleaned the grounds near the FCSM. I noticed on the Scan Tool that the Fuel Pump Control Module didnt show any voltage...

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