Service bulletin S2018000012

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)
Type	Service bulletin
NHTSA id	10184702
Published by NHTSA	2020-12-28
Manufacturer's number	S2018000012
Manufacturer's date	2020-11-06
NHTSA component	ELECTRICAL SYSTEM; ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

Check engine lamp on. Fault code P0244- TURBOCHARGER/SUPERCHARGER WASTEGATE SOLENOID "A" RANGE/PERFORMANCE is set in the Powertrain Control Module (PCM a.k.a. ECM) after the turbocharger assembly has been replaced.

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, Engine, Transmission and driveline, Automatic transmission, Transmission control module

Trouble codes named

P0244

Vehicles listed
ALFA ROMEO GIULIA	2017 to 2021
ALFA ROMEO STELVIO	2017
ALFA ROMEO STELVIO	2018, 2019, 2020, 2021
JEEP CHEROKEE	2019, 2020, 2021
JEEP WRANGLER	2018, 2019, 2020, 2021

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

Recalls for the same vehicles and component
21V310000	2021-05-04. POWER TRAIN:AUTOMATIC TRANSMISSION:COOLER/RADIATOR:HOSES AND FITTINGS
18V739000	2018-10-19. POWER TRAIN:AUTOMATIC TRANSMISSION
18V492000	2018-07-26. POWER TRAIN:AUTOMATIC TRANSMISSION
18V280000	2018-05-01. POWER TRAIN:AUTOMATIC TRANSMISSION

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
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.
1807323	2023-10-02. 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: ? U115F-00 - Lost Communication With Driver Presence Detection Module. ? P02EE - Cylinder 1 Injector Circuit Performance. ? P02EF - Cylinder 2 Injector Circuit Performance. ? P02F0 - Cylinder 3 Injector Circuit Performance. ? P02F1 - Cylinder 4 Injector Circuit Performance. The customer may also experience one or more of the following when DTC U115F-00 is triggered: ? Disabled engine stop / start (ESS) feature. ? Service ESS light and EVIC message is displayed in the Instrument Panel Cluster (IPC). This bulletin involves reprogramming the PCM with the latest available software.
2101723	2023-08-21. Service bulletin. Flash: Transmission Control Module (TCM) 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: ? P043E-00 - EVAP System Leak Detection Reference Orifice Low Flow. ? P2C33-00 - Crankcase Pressure Sensor B Circuit Range/Performance. ? P2C91 - Crankcase Ventilation System - Hose B Disconnected. ? P00B2-00 - Radiator Coolant Temperature Sensor Circuit Range-Performance. ? P304A-00 - Fuel Rail Pressure Sensor 1 - Out Of Range High. ? P304E-00 - Fuel Rail Pressure Sensor 2 - Out Of Range High. ? P02D2-00 - Cylinder 4 Fuel Injector A Offset Learning At Min Limit. ? P0607-00 - Control Module Performance. ? P0072-00 - Ambient Air Temperature Sensor Circuit Low. ? P0073-00 - Ambient Air Temperature Sensor Circuit High. This bulletin involves reprogramming the TCM with the latest available software. NOTE: Additional module flash is required for this update to be effective, the following module is to be updated along with this TCM update: ? Powertrain Control Module (PCM).
1808023	2023-08-21. Service bulletin. Flash: Powertrain Control Module (PCM) Updates
1807023	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. ? P02EF - CYLINDER 2 INJECTOR CIRCUIT PERFORMANCE. ? P02F0 - CYLINDER 3 INJECTOR CIRCUIT PERFORMANCE. ? P02F1 - CYLINDER 4 INJECTOR CIRCUIT PERFORMANCE. ? P0335 - Crankshaft Position Sensor Circuit. ? P0339 - Crankshaft Position Sensor Intermittent. ? P2C90 - Crankcase Ventilation System - Hose 9A9 Disconnected . ? P2172 - High Airflow/Vacuum Leak Detected (Instantaneous Accumulation). ? P0441 - EVAP Purge System Performance. ? P0607 - ECU Internal Performance. ? P0506 - Idle Speed Performance Lower Than Expected. 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.
1807323	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. ? P02EF - Cylinder 2 Injector Circuit Performance. ? P02F0 - Cylinder 3 Injector Circuit Performance. ? P02F1 - Cylinder 4 Injector Circuit Performance. 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.
1806523	2023-07-31. Service bulletin. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software.
1806423	2023-07-31. 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 (DTC)s: ? **P24D1-00 -Particulate Matter Sensor Regeneration Incomplete. NOTE: This software update will help prevent P24D1-00 from setting.