Service bulletin 1807023
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 | 10241090 |
| Published by NHTSA | 2023-08-21 |
| Manufacturer's number | 1807023 |
| Manufacturer's date | 2023-06-15 |
| NHTSA component | ELECTRICAL 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. ? 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.
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, P0335, P0339, P0441, P0506, P0607, P2172, P2C90
| JEEP WRANGLER | 2020 |
|---|
Listing a model year does not mean every vehicle of it is concerned: the document says which.
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| 1801220A | 2022-10-17. 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 one of the followingDTCs have been set:P2C90 - Crankcase Ventilation System - Hose "A" Disconnected. P0607 - ECU Internal Performance. P0506 - Idle Speed Performance Lower Than Expected. |
| 1801220 | 2022-10-17. 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 one of the followingDTCs have been set: P0607 - ECU Internal Performance. P0506 - Idle Speed Performance Lower Than Expected. |
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