P0944: owner reports and bulletins
Got P0944 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 P0944, 10 of them since 2015, across 5 different models. The component owners most often filed it under: power train.
Most-reported models
| Vehicle | Complaints | Model years reported |
|---|---|---|
| CHRYSLER TOWN AND COUNTRY | 4 | 2013, 2015, 2016 |
| DODGE GRAND CARAVAN | 3 | 2016 |
Manufacturer service bulletins that name P0944
8 technical service bulletins and manufacturer communications filed with NHTSA mention P0944, from 4 makes. A bulletin means the manufacturer has documented a known cause or a fix procedure for that model. Examples:
- MERCEDES-BENZ MERCEDES-BENZ, bulletin 10205289: ECO start/stop inoperative, fault code P0944 in transmission control unit.
- SMART SMART, bulletin 10205289: ECO start/stop inoperative, fault code P0944 in transmission control unit.
- FCA FCA, bulletin 10248971: Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Codes (DTCs) P0944 ? Loss of Hydraulic Pump Prime, and P0868 ? Transmission Fluid Pressure Low, Set.
- RAM 3500 (2024), bulletin 11009478: "Rear Selective Thrust Washer Failure Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): P0218-00 - Tr…
- RAM 2500 (2024), bulletin 11010661: "Rear Selective Thrust Washer Failure Customers may experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle may exhibit/set one or more of the following DTCs: P0218-00 - Transmission High Temperature O…
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.