P1524: owner reports and bulletins

Powertrain (manufacturer-specific). We haven't written the explanation for this code yet. Below is what owners and manufacturers have filed with NHTSA.

Got P1524 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

No consumer complaints filed with NHTSA mention P1524. That usually means it's rare, or owners don't quote the code when they file.

Manufacturer service bulletins that name P1524

43 technical service bulletins and manufacturer communications filed with NHTSA mention P1524, from 4 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • RAM 1500 (2023), bulletin 10243252: Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Tro…
  • DODGE DURANGO (2018, 2019, 2020, 2021), bulletin 10187060: Customer may complain of a MIL lamp on. Upon further investigation there could be a fault code in the PCM for P1524 ? Oil Pressure Out of Range ? Camshaft Advance/Retard Disabled.
  • JEEP GRAND CHEROKEE (2018, 2019, 2020, 2021), bulletin 10187060: Customer may complain of a MIL lamp on. Upon further investigation there could be a fault code in the PCM for P1524 ? Oil Pressure Out of Range ? Camshaft Advance/Retard Disabled.
  • JEEP RENEGADE (2017), bulletin 10198418: Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illu…
  • FIAT 500X (2016), bulletin 10198417: Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illu…
  • FIAT 500L (2015), bulletin 10121800: Flash: Powertrain Diagnostic and System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest software. Customers may experience a Malfunction Indicator Lamp (MIL) illumina…

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.