Service bulletin 18-002-15 REV A

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	10159903
Published by NHTSA	2019-05-20
Manufacturer's number	18-002-15 REV A
Manufacturer's date	2015-11-04
NHTSA component	ENGINE; ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN

NHTSA's summary

Flash: Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with updated software. During normal diagnostics a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) present: ? P3426 - Cylinder 4 Deactivation Control Performance. ? P3402 - Cylinder 1 Deactivation Control Performance. ? P3442 - Cylinder 6 Deactivation Control Performance. ? P3450 - Cylinder 7 Deactivation Control Performance. ? U0140 - Lost Communication With Body Control Module. (Attempting to clear this DTC will be unsuccessful.) ? P030X - Cylinder X Misfire Detected. ? P0300 - Multiple Cylinder Misfire Detected. Additionally the following enhancements have been implemented: ? Improved Cruise Control Acceleration mode. ? Improved Multi Displacement System operation. 6-Speed Automatic 66RFE transmission (Sales Code DFP). ? Multi Displacement System function improved while in stationary mode. 6-Speed Auto Aisin AS66RC transmission (Sales Code DF3). ? Potential small improvement in fuel economy at higher altitudes. ? Potential improvement in high altitude engine idle RPM stability.

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, Software

Trouble codes named

P0300, P3402, P3426, P3442, P3450, U0140

Vehicles listed
RAM 2500	2015
RAM 3500	2015
RAM 4500	2015
RAM 5500	2014

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

Recalls for the same vehicles and component
18V332000	2018-05-17. ELECTRICAL SYSTEM:SOFTWARE; VEHICLE SPEED CONTROL:CRUISE CONTROL; ELECTRICAL SYSTEM:WIRING

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
0804616	2022-10-24. Service bulletin. This Bulletin involves updating the (ASCM) software.
08-008-14	2022-08-29. Service bulletin. RA2 RG2 Or RJ2 Radio Update To Prevent Display Screen Lockup This bulletin involves updating the radio's software or replacing the radio if required. A customer may experience the radio display screen is locked on the Ram logo. This software update is to prevent this condition from occurring. Vehicles equipped with satellite radio (sales code RSD) may have a condition were the radio may reset a few times during a drive cycle. This condition is very intermittent.
18-096-16	2022-08-15. Service bulletin. Flash: 6.4L Diagnostic And System Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. NOTE: This bulletin contains optional software update that should only be used in situations where the customer is specifically complaining of a Drone Noise, Shudder, Pulsation, or Vibration under light throttle applications while vehicle is operating in MDS/ECO mode. There will be two separate software options displayed on the wiTECH flash tab. The software file released for this condition contains the verbiage ?OPTIONAL?. The other file is the standard software that does not contain improvements for the Drone/Shudder concern. If for some reason the customer finds this shudder improvement objectionable, the PCM software may be returned/reflashed to the standard version. Both software versions will address the remaining conditions noted in the bulletin. A small number of customers may experience a surge, shudder or pulsation type sensation when driving on smooth road surfaces at highway speeds of 64-129 km/h (40-80 mph). During normal diagnostics a technician may find one or more of the following Diagnostic Trouble Codes (DTCs) present: · P0335 - Crankshaft Position Sensor Circuit. · P0300 - Multiple Cylinder Misfire, cold Idle misfire (DJ,D2 or DD vehicles only). · P030X - Cylinder Misfire (any cylinder). · P04D1 - Cooled EGR Temperature Sensor Circuit High. · P04D0 - Cooled EGR Temperature Sensor Circuit Low. · P2504 - Charging System Output High. · P0441 - Evap Purge System Performance. · P2066 - Fuel Level Sensor 2 Performance. · P0401 - EGR System Performance (DJ/D2 vehicles only). · P2096 - Downstream Fuel Trim System 1 Lean (DD/DP vehicles only). · P2098 - Downstream Fuel Trim System 2 Lean (DD/DP vehicles only). ·
1803716	2022-07-05. Service bulletin. Diagnostic And System Improvements.
1803616	2022-07-05. Service bulletin. Diagnostic And System Improvements.
1802816	2022-07-05. Service bulletin. Diagnostic And System Improvements.
18-097-16	2021-05-24. Service bulletin. Powertrain diagnostic and system improvements.
08-028-16	2018-06-25. Service bulletin. RE2 RE6 RB5 RB6 Radio Software Enhancements This bulletin involves updating the radio software and navigation if equipped. A customer may experience one or more of the following conditions: · Radio display screen will lock up and reset intermittently. · Incorrect routing directions to fuel stations when using Travel Link. · Unable to turn on heated seats; icon is greyed out. · Navigation screen goes blank. · Navigation system freezes/locks up. · Vehicles with Mopar special edition radio will update radio?s splash screen. · Navigation icon shows the vehicle going backward when it?s moving forward.
08-079-14 REV. C	2018-06-11. Service bulletin. RA3 RA4 Radio Enhancements This bulletin involves inspecting and, if required, updating the radio software. A small number of customers may experience one or more of the following: Low battery condition due to the radio remaining powered up after the ignition has been turned off (U.S Markets Only) The Radio may switch from SiriusXM to an AM station by itself Uconnect registration always present, can not remove Uconnect account Teleprompter does not appear when pressing the Voice Recognition (VR) button VR operation cancels while in media mode Radio may display previous cameras image before displaying the current image Navigation lost vehicle position, during route calculation Navigation displays are missing after vehicle heading changes Navigation giving incorrect guidance to exit the highway FM audio may switch to AM after ignition cycle Text messages appear as sender?s phone number not their name. VR phone button may not work at times Audio muted after AUX device is disconnected VR, ? Listen? to text, will only play 1st message Drive Mode: Eco, sport or normal setting may not be saved after key cycle (LA, LD, LX and ZD Only). Drive Mode: Shift light On/Off, out of sync (LA, LD, LX and ZD Only) SirusXM station information does not update. Speed adjusted volume, may not work AM or FM seek or tuner soft keys may be missing Display screen show ambient temperature as ?- - ? not normal values.Improvements: High Definition (HD) radio buffering. Spanish translation. Radio station, scroll feature. Drive Mode: Launch control button, text improvements (LA, LD, LX and ZD Only). Making assist calls. App functionality and screen displays. Displays correct media, song titles and tracks. Travel Link, Points Of Interest (POI), displaying movies and favorites. Incoming calls, audio enhancements (LA, LD and LX Only). Audio for strong AM stations. VR performance. Settings can only be changed in run mode, not ACC.
14-001-14 REV. B	2018-06-11. Service bulletin. Fuel Gelling in Cold Ambient Temperatures This bulletin involves reconfiguring the Body Control Module (BCM). Some customers may experience a Malfunction Indicator Lamp (MIL) due to fuel related Diagnostic Trouble Code (DTC) and/or may have a hard or no start condition due to fuel gelling in cold ambient temperatures (20°F or -7°C) or below. DTCs, such as P0087, P0191 or P026B (or other DTCs) may have been set.frame mounted fuel filter heater not to function. The condition is due to a configuration setting in the Body Control Module (BCM).