P073F: 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 P073F 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

5 complaints filed with NHTSA mention P073F, 5 of them since 2015, across 3 different models. The component owners most often filed it under: power train.

Most-reported models

VehicleComplaintsModel years reported
HYUNDAI TUCSON32016, 2017

Manufacturer service bulletins that name P073F

3 technical service bulletins and manufacturer communications filed with NHTSA mention P073F, from 2 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • ACURA MDX SPORT HYBRID (2017, 2018, 2019, 2020), bulletin 10180018: "Service Bulletin - When the PCM detects a malfunction in one of the odd number transmission gears, it will set one of the following DTCs: -P073F (unable to engage gear 1) -P074B (unable to engage gear 3) -P074D (unable …
  • ACURA RLX HYBRID (2014, 2016, 2017, 2018), bulletin 10180019: "Service Bulletin - When the PCM detects a malfunction in one of the odd number transmission gears, it will set one of the following DTCs: -P073F (unable to engage gear 1) -P074B (unable to engage gear 3) -P074D (unable …
  • FORD FOCUS (2014), bulletin 10057868: FORD: WITH NO TRANSMISSION ISSUES, WHILE DRIVING A SLIGHT BUMP OR JERK IS FELT, CAUSING MALFUNCTION LAMP OF TRANSMISSION TO ILLUMINATE WITH DIAGNOSTIC TROUBLE CODE (DTC) P073E OR P073F STORED OR PRESENT. MODEL 2014 FOCUS…

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.