# P0765 on the 2021 Ram 3500

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

## Bulletins for this model year that name P0765

- [10239971](https://open.wenmarpro.com/bulletins/10239971), 2023-07-31: 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 Trouble Codes \(DTC\)s have been set: ? \*\*P0299 \- Turbocharger Underboost.\*\* ? P061B \- Internal Control Module Torque Calculation Performance. ? P0755 \- Shift Solenoid B \(DG7 Only\). ? P0765 \- Shift Solenoid D \(DG7 Only\). ? P0401 \- EGR System Performance. ? P0755 \- 2C Solenoid Circuit. ? P0765 \- UD Solenoid Circuit. ? P244A \- Diesel Particulate Filter Differential Pressure Too Low. ? P20EE \- SCR NOx Catalyst Efficiency Below Threshold \- Bank 1. ? P242F \- Diesel Particulate Filter Restriction \- Ash Accumulation. ? P1451 \- Diesel Particulate Filter System Performance. ? P2463 \- Diesel Particulate Filter Restriction \- Soot Accumulation Bank 1. ? P0607\-00 \- ECU Internal Performance. ? P0299\-00 \- Turbocharger Underboost. ? P1451\-00 \- Diesel Particulate Filter System Performance \(Sales Code ETL Only\).
- [10229999](https://open.wenmarpro.com/bulletins/10229999), 2023-01-17: SOLENOID, Transmission 2020 and 2021MY D2\&DJ Before swapping the solenoid module on a repeatable P0755 or P0765, please ensure to download event data and send to contact copied below. This event data will assist with the root cause analysis of the module. Contact: FCA Redacted Content
- [10223387](https://open.wenmarpro.com/bulletins/10223387), 2022-10-17: SOLENOID, Transmission 2020 and 2021MY D2\&DJ Before swapping the solenoid module on a repeatable P0755 or P0765, please ensure to download event data and send to contact copied below. This event data will assist with the root cause analysis of the module. Contact: FCA Redacted Content
- [10223227](https://open.wenmarpro.com/bulletins/10223227), 2022-10-17: SOLENOID, Transmission 2020 and 2021MY D2\&DJ Before swapping the solenoid module on a repeatable P0755 or P0765, please ensure to download event data and send to contact copied below. This event data will assist with the root cause analysis of the module. Contact: FCA Redacted Content
- [10221399](https://open.wenmarpro.com/bulletins/10221399), 2022-09-26: Malfunction Indicator Lamp \(MIL\) Illumination. Diagnostic Trouble Codes \(DTCs\) P0765 ? UD Solenoid Circuit, P0871 ? Transmission Fluid Pressure Sensor/Switch ?C? Circuit Performance, and/or P0755 ? 2C Solenoid Circuit, Set.
- [10214598](https://open.wenmarpro.com/bulletins/10214598), 2022-06-27: Flash: Powertrain Control Module \(PCM\) Updates This bulletin involves reprogramming the Engine Control Module/Powertrain ControlModule \(ECM/PCM\) with the latest available software. Customers may experience a Malfunction Indicator Lamp \(MIL\) illumination. Upon further investigation the technician may find that one or moreof the following DTCs have been set: P0299 \- Turbocharger Underboost. P0401 \- EGR System Performance. P0755 \- 2C Solenoid Circuit. P0765 \- UD Solenoid Circuit. P244A \- Diesel Particulate Filter Differential Pressure Too Low. P20EE \- SCR NOx Catalyst Efficiency Below Threshold \- Bank 1. P242F \- Diesel Particulate Filter Restriction \- Ash Accumulation. P1451 \- Diesel Particulate Filter System Performance. P2463 \- Diesel Particulate Filter Restriction \- Soot Accumulation Bank 1. P0607\-00 \- ECU Internal Performance. P0299\-00 \- Turbocharger Underboost. P1451\-00 \- Diesel Particulate Filter System Performance\(Sales Code ETL Only\). In addition, the customer may notice one or more the following conditions: Idle instability. Air handling bump after startup. Harsh shifts during garage shift tip\-in. 2\-1\-2 gear hunting at low speeds, especially on grades. Driveline ?clunk? ?bump? during D\-R and R\-D GarageShifts. Harsh 5\-3 downshift. 2\-1 ERS downshift with exhaust brake on, performance improvement. Intermittent shift bump. The following improvements are also included in this update: Fuel System Run\-Up Test routine, wiTECH improvement. wiTECH PCM data improvements. wiTECH cylinder cut\-out routine, wiTECH improvement. Oil pressure switch modifications. Urea \(DEF fluid\) level sensor calibration update, to help prevent bumpsin DEF level gauge.
- [10198301](https://open.wenmarpro.com/bulletins/10198301), 2021-06-28: SOLENOID, Transmission 2020 and 2021MY D2\&DJ Before swapping the solenoid module on a repeatable P0755 or P0765, please ensure to download event data and send to contact copied below. This event data will assist with the root cause analysis of the module. Contact: FCA Redacted Content