P0263: 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 P0263 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

3 complaints filed with NHTSA mention P0263, 2 of them since 2015, across 3 different models. The component owners most often filed it under: engine.

Manufacturer service bulletins that name P0263

19 technical service bulletins and manufacturer communications filed with NHTSA mention P0263, from 4 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • CHEVROLET SILVERADO 1500 (2017), bulletin 10190233: Hesitation, Stalling, Engine Speed Flare While Coasting, Unintended Acceleration Feel During a Parking Lot Maneuver, Reduced Surge in Low Speed Maneuvers, Stumble, Harsh Tip-In/Tip-Out, Park-Reverse-Drive Shift Concerns,…
  • GMC SIERRA 3500 (2017), bulletin 10190233: Hesitation, Stalling, Engine Speed Flare While Coasting, Unintended Acceleration Feel During a Parking Lot Maneuver, Reduced Surge in Low Speed Maneuvers, Stumble, Harsh Tip-In/Tip-Out, Park-Reverse-Drive Shift Concerns,…
  • FORD F SUPER DUTY, bulletin 10140308: Some 2017 F-Super Duty vehicles equipped with a 6.7L diesel engine may exhibit a fuel knock type noise at idle, illuminated MIL with one or more of the following DTCs stored in powertrain control module (PCM) memory: P02…
  • GMC SIERRA 1500 (2019, 2018, 2017), bulletin 10144452: This Preliminary Information communication provides information to the technician about vehicles that have a check engine light on. Technician may find Diagnostic Trouble Codes P0101, P0299, P0712, P11CC, P11DC, P2002, P…
  • CHEVROLET SILVERADO (2017, 2019, 2018), bulletin 10144452: This Preliminary Information communication provides information to the technician about vehicles that have a check engine light on. Technician may find Diagnostic Trouble Codes P0101, P0299, P0712, P11CC, P11DC, P2002, P…
  • GMC SIERRA (2017, 2018), bulletin 10123231: This Preliminary Information communication provides information to the technician about vehicles that have a check engine light on. Technician may find Diagnostic Trouble Codes P0101, P0299, P0712, P11CC, P11DC, P2002, P…

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.