P0524: 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 P0524 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

11 complaints filed with NHTSA mention P0524, 10 of them since 2015, across 11 different models. The component owners most often filed it under: engine.

Manufacturer service bulletins that name P0524

58 technical service bulletins and manufacturer communications filed with NHTSA mention P0524, from 7 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • LINCOLN NAVIGATOR (2020, 2021, 2022, 2023), bulletin 10238468: Some 2020-2023 Explorer/Aviator vehicles equipped with a 3.0L EcoBoost may exhibit an illuminated malfunction indicator lamp (MIL) and low oil pressure warning in the instrument panel cluster (IPC), with diagnostic troub…
  • FORD EXPLORER (2020, 2021, 2022, 2023), bulletin 10238468: Some 2020-2023 Explorer/Aviator vehicles equipped with a 3.0L EcoBoost may exhibit an illuminated malfunction indicator lamp (MIL) and low oil pressure warning in the instrument panel cluster (IPC), with diagnostic troub…
  • MAZDA CX-5 (2018, 2019, 2020, 2021), bulletin 10188014: Some vehicles may have the check engine light on with DTC P0524:00 or P055F:00 stored in memory. Contamination in the engine oil may cause the engine oil solenoid valve to become stuck, resulting in improper operation of…
  • JEEP GLADIATOR (2021), bulletin 10190731: Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further inves…
  • JEEP WRANGLER (2021), bulletin 10190724: Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further inves…
  • RAM 1500 (2021), bulletin 10190703: Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further inves…

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.