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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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10241086
Published by NHTSA2023-08-21
Manufacturer's number1804923
Manufacturer's date2023-06-15
NHTSA componentELECTRICAL SYSTEM; POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

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 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.

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

P02EE, P02EF, P02F0, P02F1, P152E, P152F, P2B95

Vehicles listed
JEEP WRANGLER2022

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
S23090000122024-01-16. Service bulletin. Mil-On/Check Engine Lamp-On with DTC P06DD set in the powertrain control module (PCM).
S23210000052024-01-08. Service bulletin. Transmission Fluid Leak From Under The Vehicle.
S23210000052023-10-30. Service bulletin. Transmission Fluid Leak From Under The Vehicle.
S23250000062023-08-21. Service bulletin. Customer complaint may include a MIL-on or check engine lamp on condition.
18049232023-05-30. Service bulletin. Flash: Powertrain Control Module (PCM) Updates
18153222023-01-23. Service bulletin. Powertrain Control Module (PCM) Updates
S22070000022023-01-09. Service bulletin. Coolant leak
18141222022-10-31. 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.
91000222022-10-31. 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.
21029222022-10-31. 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.