U0170: owner reports and bulletins

Network / communication. We haven't written the explanation for this code yet. Below is what owners and manufacturers have filed with NHTSA.

Got U0170 on your scanner? Tell the mechanic your year, make, model and any symptoms and you'll get the likely cause and what to check first. Ask about this code.

What owners report to NHTSA

17 complaints filed with NHTSA mention U0170, 12 of them since 2015, across 5 different models. The component owners most often filed it under: air bags.

Most-reported models

VehicleComplaintsModel years reported
PONTIAC G8112008, 2009
CADILLAC ELR32014, 2016

Manufacturer service bulletins that name U0170

1 technical service bulletins and manufacturer communications filed with NHTSA mention U0170, from 1 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • GMC ACADIA (2013, 2014, 2015, 2016), bulletin 10126348: This technical bulletin provides repair information to correct a customer concern of intermittent no crank, radio, HVAC inoperative, erratic operation of I/P cluster, DTCs U0140, U0155, U0194, U0198, U0170, U0078, U0164,…

Sources: NHTSA Office of Defects Investigation complaint database and manufacturer communications file, snapshots September 2026. A complaint or bulletin that mentions a code is a report about that vehicle, not a statement that the code has one cause.