Service bulletin 1800123
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
| Type | Service bulletin |
|---|---|
| NHTSA id | 10244461 |
| Published by NHTSA | 2023-10-30 |
| Manufacturer's number | 1800123 |
| Manufacturer's date | 2023-09-23 |
| NHTSA component | ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN |
NHTSA's summary
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 (DTCs) have been set: ?**P1524 - Oil Pressure Out Of Range - Camshaft Advance/Retard Disabled. ? P219A - Bank 1 Air-Fuel Ratio Imbalance.** ? U0402-00 Implausible Data Received from the TCM. (When U0402-00 sets in the PCM, the module will start to deny torque requests from the Transmission Control Module (TCM). The transmission will fault and go to a fixed gear limp-inreaction, and send the MIL request to PCM.) The customer may also experence the following: ? A limp mode when the DTC sets in the PCM. This bulletin involves reprogramming the PCM with the latest available software.
The document
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Electrical system, Transmission and driveline, Automatic transmission, Transmission control module
Trouble codes named
P1524, P219A, U0402
| RAM 1500 | 2022 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| S2309000012 | 2024-01-16. Service bulletin. Mil-On/Check Engine Lamp-On with DTC P06DD set in the powertrain control module (PCM). |
|---|---|
| S2321000009 | 2024-01-16. Service bulletin. Malfunction Indicator Lamp (MIL) Illuminated. Active Diagnostic Trouble Code (DTC) P1DB7-00 ? Torque Converter Clutch Performance, Set. |
| 1800123 | 2024-01-08. Service bulletin. 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 (DTCs) have been set: ?**P1524 - Oil Pressure Out Of Range - Camshaft Advance/Retard Disabled. ? P219A - Bank 1 Air-Fuel Ratio Imbalance.** ? U0402-00 Implausible Data Received from the TCM. (When U0402-00 sets in the PCM, the module will start to deny torque requests from the Transmission Control Module (TCM). The transmission will fault and go to a fixed gear limp-inreaction, and send the MIL request to PCM.) The customer may also experence the following: ? A limp mode when the DTC sets in the PCM. This bulletin involves reprogramming the PCM with the latest available software. |
| 1809823 | 2024-01-08. Service bulletin. Flash: Powertrain Control Module (PCM) Update 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 (DTCs) have been set: ?P1524 - Oil Pressure Out Of Range - Camshaft Advance/Retard Disabled. ? P219A - Bank 1 Air-Fuel Ratio Imbalance. This bulletin involves reprogramming the PCM with the latest available software. |
| S2321000009 | 2024-01-08. Service bulletin. MIL On with TCM P1DB7 Active |
| 1809823 | 2023-10-30. Service bulletin. Flash: Powertrain Control Module (PCM) Update 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 (DTCs) have been set: ?P1524 - Oil Pressure Out Of Range - Camshaft Advance/Retard Disabled. ? P219A - Bank 1 Air-Fuel Ratio Imbalance. This bulletin involves reprogramming the PCM with the latest available software. |
| S2321000009 | 2023-10-30. Service bulletin. MIL On with TCM P1DB7 Active |
| 1808523 | 2023-10-02. Service bulletin. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. |
| S2308000100 | 2023-10-02. Service bulletin. Multiple Warning Lights, Sealer Between Ground Stud G908A And Eyelet |
| 1803723 | 2023-09-25. Service bulletin. 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 DTCs have been set: ? P2097 - Downstream Fuel Trim System 1 Rich. ? P2099 - Downstream Fuel Trim System 2 Rich.** The customer may experience the following: ? Lack power/responsiveness for the first couple of minutes or about 90 seconds after a cold start and later performs as expected. This bulletin involves reprogramming the PCM with the latest available software. |