Service bulletin 18-056-16
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 | 10181479 |
| Published by NHTSA | 2020-10-26 |
| Manufacturer's number | 18-056-16 |
| Manufacturer's date | 2016-05-07 |
| NHTSA component | ENGINE; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION |
NHTSA's summary
Flash: Powertrain Diagnostic and System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. The following powertrain system improvements/enhancements are included in this software release. These symptoms are broken down by vehicle: 2015 WK 3.0L engine (Sales Code EHD) · ** P0456 - EVAP System Small Leak.** · Enhancements to remote engine start. 2015 WK 5.7L engine (Sales Code EZH) · ** P0456 - EVAP System Small Leak.** · U0140-00 - Lost Communication with Body Control Module (BCM). · Enhancements to improve a slight lag or hesitation during Multi Displacement System (MDS) mode transitions. · Enhancements to improve a slight drop in engine RPM when the vehicle is shifted to reverse or drive within 3 seconds of a cold start. 2014 WD 5.7L engine (Sales Code EZH) · Enhancements to improve a slight drop in engine RPM when the vehicle is shifted to reverse or drive within 3 seconds of a cold start. 2015 WD 5.7L engine (Sales Code EZH) · ** P0456 - EVAP System Small Leak.** · Enhancements to remote engine start.
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
Trouble codes named
P0456, U0140
| DODGE DURANGO | 2014, 2015 |
|---|---|
| JEEP GRAND CHEROKEE | 2015 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.
| 16V240000 | 2016-04-25. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM) |
|---|
A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.
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| 18-047-15 REV. A | 2022-07-25. Service bulletin. Flash: 3.0L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) Illumination. Upon further investigation, a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) stored in the PCM memory. ? P204F-00 - Reductant System Performance ? P20E9-00 - Reductant Pressure Too High ? P249C-00 - Excessive Time To Enter Closed Loop Reductant Injection Control ? P2002-00 - Diesel Particulate Filter Efficiency Below Threshold ? P20C2-00 - Reductant Heater 3 Control Circuit Performance ? P2299-00 - Brake Pedal Position/Accelerator Pedal Position Incompatible ? P208B-00 - Reductant Pump 1 Control Performance ? P1288-00 - NOX Sensor 1/2 Zero Offset Too High |
| 18-070-15 | 2022-07-25. Service bulletin. Flash: PCM Software Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation a technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory. ? P0301- Cylinder 1 Misfire ? P0302- Cylinder 2 Misfire ? P0303- Cylinder 3 Misfire ? P0304- Cylinder 4 Misfire ? P0305- Cylinder 5 Misfire ? P0306- Cylinder 6 Misfire ? P0300- Multiple Cylinder Misfire ? P0513- Invalid SKIM Key |
| 25-002-15 REV. A | 2022-07-25. Service bulletin. P0455 And/Or P0456 Set In The PCM This bulletin involves replacing the evaporative emissions purge valve hose due to a split in the hose that will prevent the system from sealing. The customer may experience a Malfunction Indicator Lamp (MIL) while driving. Upon further investigation the technician may find one or more of the following Diagnostic Trouble Codes (DTCs) set in the PCM memory. ? P0455 EVAP System Large Leak ? P0456 EVAP System Small Leak |
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