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2016 DENALI/Battery drain/SERVICE Trailer Brake System
The being dragged out and damaging something is what had me thinking about the module in the back and the service trailer brake system message. It's a clients vehicle that I take care. I was not there nor part of it getting stuck or unstuck so I cant answer those questions. It has been in a...- Eelimak
- Post #4
- Forum: Engine & Drivetrain
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2016 DENALI/Battery drain/SERVICE Trailer Brake System
2016 Yukon Denali. Vehicle got stuck in the snow. A ball was used in the hitch to pull it out. Next day the battery was dead. After jumping, it had the Service Trailer Brake System message. Didnt think anything of it except now the battery won't hold a charge. It will jump and run fine but left...- Eelimak
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- Replies: 10
- Forum: Engine & Drivetrain
