P1004: 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 P1004 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

7 complaints filed with NHTSA mention P1004, 4 of them since 2015, across 4 different models. The component owners most often filed it under: power train.

Most-reported models

VehicleComplaintsModel years reported
DODGE CHARGER32007, 2008

Manufacturer service bulletins that name P1004

13 technical service bulletins and manufacturer communications filed with NHTSA mention P1004, from 3 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:

  • RAM 1500 (2013, 2014, 2015), bulletin 10121873: Flash: Powertrain System Improvements/EnhancementsThis bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfuncti…
  • RAM 2500 (2013), bulletin 10136974: Flash: Malfunction Indicator Lamp (MIL) Illumination. Includes Various Driveability Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small…
  • DODGE RAM 2500 (2012), bulletin 10128959: Flash: MIL Illumination P1004 - Short Runner Valve Control Performance This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may e…
  • CHRYSLER 200 (2010, 2007, 2008, 2009), bulletin 10136933: Part Description: Short Runner Valve (Actuator) Issue Description: Issue 1~ JC,JS '08-09MY 3.5L only~ Caution - Do not replace the intake manifold for a short runner valve (SRV) fault (P1004 / P2008 / P2016 / P2017) or f…
  • DODGE MAGNUM (2007, 2008, 2009, 2010), bulletin 10136933: Part Description: Short Runner Valve (Actuator) Issue Description: Issue 1~ JC,JS '08-09MY 3.5L only~ Caution - Do not replace the intake manifold for a short runner valve (SRV) fault (P1004 / P2008 / P2016 / P2017) or f…

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.