Service bulletin 1804923
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 | 10236964 |
| Published by NHTSA | 2023-05-30 |
| Manufacturer's number | 1804923 |
| Manufacturer's date | 2023-04-18 |
| NHTSA component | POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM |
NHTSA's summary
Flash: Powertrain Control Module (PCM) Updates
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
| JEEP WRANGLER | 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). |
|---|---|
| S2321000005 | 2024-01-08. Service bulletin. Transmission Fluid Leak From Under The Vehicle. |
| S2321000005 | 2023-10-30. Service bulletin. Transmission Fluid Leak From Under The Vehicle. |
| 1804923 | 2023-08-21. 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 the one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? **P02EE - Cylinder 1 Injector Circuit Performance. China only. ? P02EF - Cylinder 2 Injector Circuit Performance. China only. ? P02F0 - Cylinder 3 Injector Circuit Performance. China only. ? P02F1 - Cylinder 4 Injector Circuit Performance. China only.** ? P2B95 - Cold Start Injection Pulse Performance. ? P152E - Engine Hood Switch Two Circuit High. ? P152F - Engine Hood Switch Two Engine Hood Switch One Correlation. The customer may also comment on the following: ? ?Performance Limited Service Fuel System? message in the Instrument Panel Cluster (IPC). This bulletin involves reprogramming the PCM with the latest available software. |
| S2325000006 | 2023-08-21. Service bulletin. Customer complaint may include a MIL-on or check engine lamp on condition. |
| 1815322 | 2023-01-23. Service bulletin. Powertrain Control Module (PCM) Updates |
| S2207000002 | 2023-01-09. Service bulletin. Coolant leak |
| 1814122 | 2022-10-31. Service bulletin. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC): P2100 - Electronic Throttle Control Motor Circuit. |
| 9100022 | 2022-10-31. Service bulletin. Water Pump For concern of leak at water pump, please check and re-torque water pump inlet tube fasteners as described in Service Bulletin 07-001-22 before replacing the water pump. |
| 2102922 | 2022-10-31. Service bulletin. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find the following Diagnostic Trouble Code (DTC). P0701 Transmission Control System Range/Performance. |