Service bulletins for the 2014 Ram 2500
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.
516 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Electrical system are shown. Show all
| 18-053-14 REV. B | 2018-06-11. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN. Flash: 6.7L Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with new software. Several software improvements are available for vehicles equipped with a Cummins 6.7L turbo diesel. They are as follows:Prevent Or Reduce Malfunction Indicator Lamp (MIL) Illumination When No Defect is Present For The Following Diagnostic Trouble Codes (DTCs). These Faults Have Been Changed From A One Trip Fault To A Two Trip Fault: P0201 - P0206 - Fuel Injector X Circuit Open Fault Codes. U110E - Lost Ambient Temperature Message. P049D - EGR Control Position Exceeding Learning Limit. P226C - Turgocharger Boost Control ?A? Slow Response.The Following DTC Has Been Changed From A Two Trip Fault To One Trip Fault: U1A24 - Lost Communication With Ammonia Sensor.Improvements To Prevent Or Reduce Malfunction Indicator Lamp (MIL) Illumination When No Defect Is Present For: U3017 - Control Module Timer/Clock Performance P0087 - Fuel Rail Pressure Too Low P2281 - Air Leak Between MAF And Throttle Body P0544 - Exhaust Gas Temperature Sensor Circuit - Sensor 1/1 P0128 - Thermostat Rationality. In cold ambient temperatures P214D - SCR NOx Catalyst Outlet Temperature Too High During Particulate Filter Regeneration P24A5 - EGR Cooler Bypass Bank 1 Control Stuck P040B - Exhaust Gas Recirculation Temperature Sensor ?A? Circuit Performance U1421 - Implausible Ignition Key Off Time Received P0420 - Catalyst Efficiency Below Threshold P026B - Injection Timing Performance P04DB - Crankcase Ventilation System Disconnected P1C55 - NOx Sensor Intermittent - Bank 1 Sensor 1 P202E - Diesel Exhaust Fluid (DEF) Reductant Injector Performance P20EE - SCR NOx Catalyst Efficiency Below Threshold - Bank 1 P2002 - Diesel Particulate Filter Efficiency Below Threshold P0604 - Internal Control Module RAM P1451 - Diesel Particulate Filter System Performance.Other Updates Included: |
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| 14-001-14 REV. B | 2018-06-11. Service bulletin. FUEL SYSTEM, GASOLINE; ELECTRICAL SYSTEM:SOFTWARE. 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). |
| 18-072-14 | 2018-06-11. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE. Flash: Compressed Natural Gas (CNG) 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. Software to prevent Malfunction Indicator Lamp (MIL) illumination with no defect found for Diagnostic Trouble Code (DTC) P0481 - Cooling Fan 2 Control Circuit/Open setting in the PCM. Harsh shift improvement when shifting from drive to reverse. |
| 18-053-14 REV. A | 2018-06-11. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM:SOFTWARE. Flash: 6.7L Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with new software. Several software improvements are available for vehicles equipped with a Cummins 6.7L turbo diesel. They are as follows: Prevent Or Reduce Unnecessary Malfunction Indicator Lamp (MIL) Illumination For The Following DTCs. These Faults Have Been Changed From One Trip Faults To Two Trip Faults: * P0201 - P0206 - Fuel Injector X Circuit Open Fault Codes. * U110E - Lost Ambient Temperature Message. * P049D - EGR Control Position Exceeding Learning Limit. * P226C - Turgocharger Boost Control ?A? Slow Response. The Following DTC Has Been Changed From A Two Trip Fault To One Trip Fault: * U1A24 - Lost Communication With Ammonia Sensor. Improvements To Prevent Or Reduce Unnecessary Malfunction Indicator Lamp (MIL) Illumination For: * P0087 - Fuel Rail Pressure Too Low. * P2281 - Air Leak Between MAF And Throttle Body. * P0544 - Exhaust Gas Temperature Sensor Circuit - Sensor 1/1. * P0128 - Thermostat Rationality. In cold ambient temperatures. * P214D - SCR NOx Catalyst Outlet Temperature Too High During Particulate Filter Regeneration. * P24A5 - EGR Cooler Bypass Bank 1 Control Stuck. * P040B - Exhaust Gas Recirculation Temperature Sensor ?A? Circuit Performance. * U3017 - Control Module Timer/Clock Performance. * U1421 - Implausible Ignition Key Off Time Received. * P0420 - Catalyst Efficiency Below Threshold. * P026B - Injection Timing Performance. * P04DB - Crankcase Ventilation System Disconnected. * P1C55 - NOx Sensor Intermittent - Bank 1 Sensor 1. * P202E - Diesel Exhaust Fluid (DEF) Reductant Injector Performance. * P20EE - SCR NOx Catalyst Efficiency Below Threshold - Bank 1. * P2002 - Diesel Particulate Filter Efficiency Below Threshold. * P0604 - Internal Control Module RAM. * P1451 - Diesel Particulate Filter System Performance. Other Updates Included: * Urea system cali |
| 08-021-14 REV. C | 2018-06-11. Service bulletin. PARKING BRAKE; SEATS; STEERING; ELECTRICAL SYSTEM; BACK OVER PREVENTION; WHEELS. RG3 RG4 RJ3 RJ4 Radio Enhancements This bulletin involves inspecting and updating the radio software, if required. DAB (Digital Audio Broadcast) is inoperative. Wrong routing for addresses with a longitude between 0 and -1 degrees. Speed Camera UK & Spain complaining that the speed camera feature was not available with the latest MY14 software. DAB preset list on the top of the screen doesn't change while scrolling with steering controls. Rear view camera jitter. Tuner reception software enhancements. HVAC temperature control enhancements. SRT soft button missing for radios when vehicle is equipped with SRT feature (EMEA /LATAM markets only). Battery drain due to the radio and cluster back-lighting staying on. Postal Code smart speller logic enhancements (EMEA markets only). AM/FM steering wheel mode switch button not working (LATAM markets only). Navigation Lockout Disable while vehicle is in motion (EMEA markets only). Removed network status indicators for SRT/APPS. Voice Recognition (VR) says 'cancel' when starting (App) applications. iPod would not resume playing after a VR session or phone call. Removed the cell signal indicators in the SRT and Apps button on non-US vehicles. rear camera may show a black screen for 3 seconds upon going to reverse. Navigation would not start or would lose position. Removal of parental control under Apps menu. Turn by Turn navigation in the cluster set to ON by default. Transfer button does not pick-up and transfer incoming call. Some Russian letters are caps when they should be lower-case. Touch screen locks up in navigation, when Russian is selected. Address search availably when the vehicle is moving (EMEA markets only). VR messages in Spanish talks to fast. Recognition enhancement for Russian VR. Hands free audio too low for non-amp vehicle (KL). Intermittently Registration expired pop-up appears on display screen. Arabic language for navigation only, not the keyboard (RJ3 RJ4 radio only). Incorrect time to destination |
| 18-053-14 | 2018-06-11. Service bulletin. EQUIPMENT; ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. Flash: 6.7L Diagnostic And System Improvements This bulletin involves reprogramming the Powertrain Control Module (PCM) with new software. Several software improvements are available for vehicles equipped with a Cummins 6.7L turbo diesel. They are as follows: Prevent Or Reduce Unnecessary Malfunction Indicator Lamp (MIL) Illumination For The Following DTCs. These Faults Have Been Changed From One Trip Faults To Two Trip Faults: ? P0201 - P0206 - Fuel Injector X Circuit Open Fault Codes. ? U110E - Lost Ambient Temperature Message. ? P049D - EGR Control Position Exceeding Learning Limit. ? P226C - Turgocharger Boost Control ?A? Slow Response. The Following DTC Has Been Changed From A Two Trip Fault To One Trip Fault: ? U1A24 - Lost Communication With Ammonia Sensor. Improvements To Prevent Or Reduce Unnecessary Malfunction Indicator Lamp (MIL) Illumination For: ? P0087 - Fuel Rail Pressure Too Low. ? P2281 - Air Leak Between MAF And Throttle Body. ? P0544 - Exhaust Gas Temperature Sensor Circuit - Sensor 1/1. ? P0128 - Thermostat Rationality. In cold ambient temperatures. ? P214D - SCR NOx Catalyst Outlet Temperature Too High During Particulate Filter Regeneration. ? P24A5 - EGR Cooler Bypass Bank 1 Control Stuck. ? P040B - Exhaust Gas Recirculation Temperature Sensor ?A? Circuit Performance. ? U3017 - Control Module Timer/Clock Performance. ? U1421 - Implausible Ignition Key Off Time Received. ? P0420 - Catalyst Efficiency Below Threshold. ? P026B - Injection Timing Performance. ? P04DB - Crankcase Ventilation System Disconnected. ? P1C55 - NOx Sensor Intermittent - Bank 1 Sensor 1. ? P20EE - SCR NOx Catalyst Efficiency Below Threshold - Bank 1. ? P2002 - Diesel Particulate Filter Efficiency Below Threshold. ? P0604 - Internal Control Module RAM. ? P1451 - Diesel Particulate Filter System Performance. Other Updates Included: ? Fuel Filter Minder Calibration Changes ? Cruise control |
| 18-004-14 REV. B | 2018-06-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; ELECTRICAL SYSTEM. Flash: Malfunction Indicator Lamp (MIL) Illumination. Includes Various Driveability Improvements This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Codes (DTCs) have been set: (Further improvements over what was released in SB 18-004-14) (applies only to DD/DP vehicles) (applies only to DD/DP vehicles) P2066 - Fuel Level Sensor 2 Performance (applies only to DJ/D2 vehicles) P0441 - Evap Purge System Performance P2504 - Charging System Output High P04D0 - Cooled EGR Temperature Sensor Circuit Low P04D1 - Cooled EGR Temperature Sensor Circuit High (applies only to DD vehicles equipped with a DFP automatic transmission) |
| 08-038-14 | 2018-06-11. Service bulletin. ELECTRICAL SYSTEM; BACK OVER PREVENTION. Missing: Tailgate Keyless Entry With Back-Up Camera Wiring Kit And Vehicle System Interface Module Jumper This bulletin involves placing the missing wire harnesses in the glove box for later installation. Vehicle System Interface Module (VSIM) jumper and tailgate keyless entry with back-up camera wiring kit missing from glove box. |
| 08-054-16 | 2018-06-04. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; BACK OVER PREVENTION: SENSING SYSTEM: CAMERA. RA3 RA4 Radio Enhancements This bulletin involves inspecting and updating the radio software, if required. Improvements: · Ability to communicate with Siri via UConnect. · Ability to press Voice Recognition (VR) button for more than one second.** A customer may experience one or more of the following conditions: · Poor or no connection to cellular network (U.S. market only). HVAC temperature out of sync with radio display (KL vehicles). Track names may be displayed twice in USB or SD media modes. · SD, USB or BTSA modes may become non-functional for a given ignition cycle. Duplicate song titles may be displayed in USB mode. Last track is displayed but next track is being played. · Navigation function may resets itself after using One-Shot VR. Intermittently the Global Positioning System (GPS) may lose its location for a short time and causes routing and positioning concerns. · GPS and Internal cellular device may become inoperative and causes a loss of GPS and cellular functions. · A false Pop-up message may appear Vehicle Phone Requires Service even though the vehicle?s phone works properly. · Back-up camera image may be unclear or jittery/stutters at times. · Enables Via Mobile software features when released to consumers (U.S. market only). · Able to adjust audio balance / fade settings during a VR session. · Correct condition where user could not exit screen off mode. · Mute button status was not being displayed correctly. · Presets where not shown correctly or were deleted. · Enhancements to POI. · ParkSense tone continuously on. · Enhancement to navigation routing. · Radio display may shows ?Please insert USB Stick?. · Enhancement made when video is display in radio when using PAL format video disks. · Corrected the temperature slider bar not updating on Manual Temperature Control vehicles. · Navigation may not start or may lose position. · Rear camera may show a black screen for 3 seconds upon going to rev |
| 68184926A$ | 2018-05-21. Service bulletin. ELECTRICAL SYSTEM. Integrated Center Stack If vehicle is found within 50 mile radius of the Detroit Metro area please hold vehicle and contact:~ Contact one of the following:~ Daniel Acciacca CELL (586) 709-1537~ Michael Savich CELL (248) 214-7270~ Ayed Hadaad CELL (248) 941-8707~ Issue: On a 2015 & 2016MY LA (Challenger), LD(Charger) and LX (300), the Integrated Center Stack (ICS) may experience a lock-up/Inop condition (complete loss of functionality) during any vehicle diagnostic session (reading fault codes, clearing fault codes, reflashing of any module, etc.). If this occurs, do not replace the ICS. The module functionality can be restored if it is reset by disconnecting power to it (by removing fuse, battery disconnect or module connector disconnect).~ |
| 05091960A$ | 2018-05-21. Service bulletin. ELECTRICAL SYSTEM. Hands Free Module - CTM ? Peiker For RT, JK and MK bodies only; Before replacing the Hands Free Module (HFM), please contact Gaurav Saxena at cell (248) 260-0583~ IMPORTANT - do not reset the HFM, clear codes or perform a battery reset before calling. Engineering is currently root causing this issue and your assistance is greatly appreciated. Seeking vehicles with HFM in a locked state, inoperative, or offline. If unable to reach this person within 15 minutes, then proceed with the necessary repair. |
| 05066241A$ | 2018-05-21. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Battery - Transmitter For vehicles within 12 Months in Service which have a "FOB Battery Low" message within Cluster or DTC B1A10 or B1A11 Active or Stored. Engineering is requesting complete FOB returned unopened (ie, battery not removed or FOB housing opened!). ~ All others, follow normal procedures.~ Please ensure Dealer Technicians are aware of this request to allow for gain in FOB Battery depletion understanding. |
| 24-001-14 | 2018-05-21. Service bulletin. EQUIPMENT ADAPTIVE/MOBILITY; ELECTRICAL SYSTEM. Flash: Front Defrost Button Does Not Respond At Times This bulletin involves selectively erasing and reprogramming the HVAC control module with new software. Customers may experience a situation where the touch screen climate controls may ignore the first press of the front defrost button if it is the first climate button pressed after ignition ON. The second press of the front defrost button works correctly. If another climate button is pressed prior to the front defrost button, then the control will respond as desired. |
| 08-025-14 | 2018-05-21. Service bulletin. ELECTRICAL SYSTEM. Flash: Inaccurate Outside Temperature Display This bulletin involves updating the Drivers and Passengers Door Module (DDM and PDM) if required. The customer may notice that the temperature display will be cooler than the actual outside temperature, up to 20F degree lower. This condition is more noticeable the colder the temperature gets. |
| 14-001-14 | 2018-05-21. Service bulletin. FUEL SYSTEM, DIESEL; ELECTRICAL SYSTEM. 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. DTC?s, such as P0087, P0191 or P026B (or other DTC?s) may have been set. Ram Trucks equipped with a 6.7L Cummins Turbo Diesel included on the RRT VIN list exhibiting the above concerns have a condition that will cause the frame mounted fuel filter heater not to function. The condition is due to a configuration setting in the Body Control Module (BCM). NOTE: The engine mounted fuel filter heater is operating properly. |
| 18-004-14 | 2018-05-21. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Flash: Malfunction Indicator Lamp (MIL) Illumination This bulletin involves selectively erasing and reprogramming the Powertrain Control Module (PCM) with new software. A small number of customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the Technician may find that the following Diagnostic Trouble Codes (DTC?s) have been set: (applies only to vehicles equipped with a 66RFE sales code DFP) (applies only to DD/DP vehicles) (applies only to DD/DP vehicles) P2066 - Fuel Level Sensor 2 Performance (applies only to DJ/D2 vehicles) P0441 - Evap Purge System Performance |
| 08-006-14 | 2018-05-21. Service bulletin. ELECTRICAL SYSTEM; TRAILER HITCHES. Mirrors Will Not Adjust Correctly When In The Trailer Tow Position This Bulletin involves reconfiguring the vehicle for proper operation of the Trailer Tow Mirrors. The customer may experience when the mirrors are fully open to the trailer tow (up-right) position and tries to adjust the horizontal/vertical position, the mirrors will move backward to the switch input. The mirrors will move correctly when in the normal (down) position. |
| 08-002-14 | 2018-05-21. Service bulletin. ELECTRICAL SYSTEM; SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER. Flash: Can Not Disable Comfort Auto On Feature This Bulletin involves updating the Heated Seat Module (HSM) software. A customer may experience not being able to turn off the ?Comfort Auto On? feature in the customer settings. |
| 08-001-14 | 2018-05-21. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES, AIR:ANTILOCK:CONTROL UNIT/MODULE. Flash: Activate The Disable Feature For Hill Start Assist And PTO Enhancement This bulletin involves updating the Anit-Lock Brake System (ABS) module software. No DTC will be found. |
| 18-096-16 | 2018-02-21. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. 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). · |
| 08-046-16 REV. A | 2017-11-03. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); ELECTRICAL SYSTEM. Flash: Air Suspension Control Module (ASCM) System Enhancements This Bulletin involves updating the (ASCM) software. A customer may describe the following: Cluster stays awake after ignition is turned off for 10 minutes or more. False message ?Battery Voltage Low - Start Engine to Change Ride Height? which appears in the Electronic Vehicle Information Center (EVIC). This condition may occur when the vehicle is first started and the suspension is switched from alternate trailer ride height to normal ride height. |
| 08-094-17 | 2017-11-03. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. RG3 RG4 RJ3 RJ4 Radio EnhancementsThis bulletin involves inspecting and updating the radio software, if required.?Navigation Failed? message is displayed (2014 MY WK and KL with RG4). Clock does not automatically update to local time (2014 MY WK and KL with RG4). Poor or no connection to cellular network (2014 MY WK and KL with RG4). HVAC temperature out of sync with radio display (2014 MY KL with RG4). Some Uconnect App remote commands do not execute with the vehicle (2014 MY WK and KL with RG4). Display goes blank/black (2014 MY WK and KL with RG4).Cyrillic keyboard is missing in phone book (2014 MY WK and KL with RG4).Incorrect speed limit on NAV speed camera indication (2014 MY WK and KL with RG4). Poor reception for AM/FM radio.Duplicate song titles may be displayed in USB mode. Last track is displayed but next track is being played.SD, USB or BTSA modes may become non-functional for a given ignition cycle.Track names may be displayed twice in USB or SD media modes.Voice Recognition (VR) command ?Set Temperature? may not respond in Fahrenheit. United Kingdom (UK)Vehicle only.DAB is inoperative.Wrong routing for addresses with a longitude between 0 and -1 degrees. Speed camera UK&Spain complaining that the speed camera feature was not available with the latest MY14 software.SRT soft button missing for radios when vehicle is equipped with SRT feature (EMEA /LATAM markets only).Battery drain due to the radio and cluster back-lighting staying on. Postal Code smart speller logic enhancements (EMEA markets only).AM/FM steering wheel mode switch button not working (LATAM markets only).Navigation Lockout Disable while vehicle is in motion (EMEA markets only).Removed network status indicators for SRT/APPS.VR says 'cancel' when starting (App) applications.iPod would not resume playing after a VR session or phone call.Removed the cell signal indicators in the SRT and Apps button on non-US vehicles.Rear camera may show a black screen for 3 secon |
| 08-028-17 REV. B | 2017-11-03. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. RA3 and RA4 Radio Over The Air Software Updates This bulletin provides information regarding the latest Flash Over The Air (FOTA) update and provides the service technician an overview of the steps a customer will need to take to complete the update. The following improvements are included in this update:Fix for sport mode not working in the performance menu page (2015 LA equipped with 6.4L and 5.7L Sales Codes ESH and EZC Only). Adds Apple Siri® Eyes Free capability for iPhone® owners. Auto Play can now be configured. Adds do not disturb text message feature. The ability to drag and drop icons into the menu bar. Fix for radio locks up/frozen. Fix for stuck on black/blank screen. Human Machine Interface (HMI) improvements. Several navigation improvements. Fix for radio loss of time display. Media devices, phone pairing and Bluetooth usage improvements. Improved tuner performance. Enhanced Voice recognition (VR) performance. Enhancements in Connectivity Apps (Yelp, Pandora, Aha, etc). |
| 68210071A$ | 2017-11-03. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Intake Grid Heater Grid Heater Relay 2012 - 2016 6.7L Cummins engines with Intake Heater issues or DTC P2609 and P0542, please replace the Intake Heater Grid and Relay as a set. 68210071A$ (relay) and 05187880A$ (grid). Inspect electrical cable between the heater grid and relay for signs of possible overheating. Replace cable as necessary. |
| 18-072-16 | 2016-09-16. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE. "FLASH: POWERTRAIN DIAGNOSTIC AND SYSTEM ENHANCEMENTS 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 ENHANCEMENTS ARE LISTED BY VEHICLE APPLICATION. DS VEHICLES EQUIPPED WITH A 3.6L ENGINE (SALES CODE ERB). · **U0140 - LOST COMMUNICATION WITH BODY CONTROL MODULE (ATTEMPTING TO CLEAR THIS DTC WILL BE UNSUCCESSFUL). · ASD RELAY ENHANCEMENTS TO IMPROVE FUEL PUMP RELAY INITIALIZATION AT KEY ON - (AUTO SHUTDOWN).** · ENHANCED AUTOMATIC OIL CHANGE INDICATOR (EAOCI) SYSTEM IMPROVEMENTS TO SWITCH TO A SEVERE DUTY CYCLE ALGORITHM ANYTIME THE PCM IS REPLACED TO ENSURE THE CUSTOMER RECEIVES A TIMELY OIL CHANGE REQUIRED MESSAGE. · CORRECTED A GENERIC SCAN TOOL DISPLAY ISSUE REGARDING MODE 6 DATA ACCURACY. DS VEHICLES EQUIPPED WITH A 5.7L ENGINE (SALES CODE EZH). · **U0140 - LOST COMMUNICATION WITH BODY CONTROL MODULE (ATTEMPTING TO CLEAR THIS DTC WILL BE UNSUCCESSFUL). · ASD RELAY ENHANCEMENTS TO IMPROVE FUEL PUMP RELAY INITIALIZATION AT KEY ON - (AUTO SHUTDOWN).** · SYSTEM IMPROVEMENTS TO PREVENT MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION WITH A DIAGNOSTIC TROUBLE CODE (DTC) P0300 - MULTIPLE CYLINDER MISFIRE WHEN USING A BLOCK HEATER IN AMBIENT TEMPERATURES GREATER THAN -29°C (-20°F). · ENHANCED AUTOMATIC OIL CHANGE INDICATOR (EAOCI) SYSTEM IMPROVEMENTS TO SWITCH TO A SEVERE DUTY CYCLE ALGORITHM ANYTIME THE PCM IS REPLACED TO ENSURE THE CUSTOMER RECEIVES A TIMELY OIL CHANGE REQUIRED MESSAGE. · CORRECTED A GENERIC SCAN TOOL DISPLAY ISSUE REGARDING MODE 6 DATA ACCURACY. DJ, DD, AND D2 VEHICLES EQUIPPED WITH A 5.7L ENGINE (SALES CODES EZC OR EZF). · U0140 - LOST COMMUNICATION WITH BODY CONTROL MODULE (ATTEMPTING TO CLEAR THIS DTC WILL BE UNSUCCESSFUL). · TRANSMISSION TORQUE MANAGEMENT ENHANCEMENT WHEN SHIFTING FROM DRIVE TO REVERSE. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.