P0796: owner reports and bulletins

Powertrain (generic, all makes). We haven't written the explanation for this code yet. Below is what owners and manufacturers have filed with NHTSA.

Got P0796 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

21 complaints filed with NHTSA mention P0796, 20 of them since 2015, across 13 different models. The component owners most often filed it under: power train.

Most-reported models

VehicleComplaintsModel years reported
CHEVROLET SILVERADO 150052016, 2017
CHEVROLET TAHOE32017, 2019
CHEVROLET SUBURBAN32015, 2016

Manufacturer service bulletins that name P0796

20 technical service bulletins and manufacturer communications filed with NHTSA mention P0796, from 3 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • CHEVROLET EQUINOX (2025), bulletin 11009173: This Preliminary information communicates Diagnostic information for low mileage vehicles setting a P0796
  • CHEVROLET COLORADO (2020, 2021), bulletin 10190354: This Preliminary information communicates to the dealer technician to replace the valve body on8 speedtransmissionssetting DTC P0796 if no debris is found in the transmission fluid pan. If debris is found in the transmis…
  • GMC CANYON (2020, 2021), bulletin 10190354: This Preliminary information communicates to the dealer technician to replace the valve body on8 speedtransmissionssetting DTC P0796 if no debris is found in the transmission fluid pan. If debris is found in the transmis…
  • CHEVROLET SILVERADO 1500 (2020), bulletin 10185739: This Preliminary information communicates to the dealer technician to replace the valve body on the 8L90 transmission setting DTC P0796 if no debris is found in the transmission fluid pan. If debris is found in the trans…
  • GMC SIERRA 1500 (2020), bulletin 10185739: This Preliminary information communicates to the dealer technician to replace the valve body on the 8L90 transmission setting DTC P0796 if no debris is found in the transmission fluid pan. If debris is found in the trans…
  • CADILLAC ATS (2017), bulletin 10099954: THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN ABOUT VEHICLE THAT HAVE A CHECK ENGINE MALFUNCTION INDICATOR LAMP ON. TECHNICIAN MAY FIND DIAGNOSTIC TROUBLE CODE P0747 AND OR P0796. DEAL…

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.