Service bulletin 18-092-22
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 | 10214593 |
| Published by NHTSA | 2022-06-27 |
| Manufacturer's number | 18-092-22 |
| Manufacturer's date | 2022-05-05 |
| NHTSA component | POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM; POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM) |
NHTSA's summary
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software.The PCM software update is being released as a generic release to support PCM replacement only in service.
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, Manual transmission, Transmission control module
| JEEP GRAND CHEROKEE | 2021 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 1810723 | 2024-01-16. Service bulletin. Flash: Powertrain Control Module (PCM) Updates Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) have been set: ? P0171 - Fuel System 1/1 Lean. ? P0174 - Fuel System 2/1 Lean. This bulletin involves reprogramming the PCM with the latest available software. |
|---|---|
| 1800721REVA | 2022-09-26. Service bulletin. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. The customer may comment on the following conditions: The RPM gauge in the center cluster is inoperative (International Markets Only). Poor air conditioning performance. Air conditioning compressor will not stop cycling and the evaporator freezes up. |
| S2125000002 | 2022-09-26. Service bulletin. Customer complaint includes a Mil-on condition. Upon further investigation, one or more of the following fault codes may be set in the PCM: |
| S2121000014 | 2022-09-26. Service bulletin. Service 4WD Message Illuminated. Diagnostic Trouble Code (DTC) C1472-92 ? Transfer Case Clutch Control ? Performance or Incorrect Operation. |
| 18-062-21 | 2022-08-22. 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) has been set: P032F - Combustion Engine Producing Insufficient Torque. |
| 21-027-21 | 2022-08-22. 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) has been set: P032F - Combustion Engine Producing Insufficient Torque. Customers may also experience a shift quality issue during a 5-4 downshift. |
| 18-004-22 | 2022-06-27. Service bulletin. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software.The PCM software update is also being released as a generic release to support PCM replacement only in service (North America only). This software enables the following functions: Active Vehicle Speed Limiters (AVSL)(EMEA only). Intelligent Speed Assist (ISA)(EMEA only). |
| 1800721 | 2022-05-31. Service bulletin. Flash: Powertrain Control Module PCM Updates This bulletin involves reprogramming the PCM with the latest available software. The customer may comment on the following conditions: The RPM gauge in the center cluster is inoperative International Markets Only. Poor air conditioning performance. Air conditioning compressor will not stop cycling and the evaporator freezes up. |
| S2125000002 | 2022-05-31. Service bulletin. Customer complaint includes a Mil-on condition. Upon further investigation, one or more of the following fault codes may be set in the PCM: |
| 18-062-21 REV. A | 2021-12-13. 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) has been set:P032F - Combustion Engine Producing Insufficient Torque. |