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Service bulletins for the 2015 Ram 4500

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.

399 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
08-028-15 REVA2018-12-03. Service bulletin. ELECTRICAL SYSTEM. RA2 Radio Software Enhancements This bulletin involves updating the radio's software. A customer may experience one or more of the following: ? Radio display screen intermittently may go blank. ? Radio display screen may lock up. ? Back up display may not turn off. ? Audio mutes. ? Not able to change state of heated seats and/or steering wheel during stop event on Stop/Start vehicles. ? Touchscreen confirmation beep may be too loud (Grand Cherokee only). ? U0208-00 - Loss Communication With Heated Seat Control Module (Cherokee only). Improvements: ? Only allow vehicle settings to be changed in run mode. To help ensure settings are properly saved. ? Always gray out text message soft keys for non-supporting devices. ? Voice Recognition (VR) improved accuracy.
56041380A2018-11-26. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. Battery Please call Bob Horn at cell (248) 231-3315 prior to replacing any battery. Please identify battery with the last 8 VIN digits along with the 15 digit Medtronic code from the GR-8 tester. If no response in 15 minutes, continue with the repair. Battery needs to be held and not turned in for core charges.
08-031-152018-09-24. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT; ELECTRICAL SYSTEM. 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: ? Enable High Definition (HD) feature, (RA4 radios located in Canada and Mexico). ? Keyboard improvements, in the Points Of Interest (POI) section. ? 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
08-028-152018-09-24. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; STEERING; SEATS. RA2 Radio Software Enhancements This bulletin involves updating the radio's software. A customer may experience one or more of the following: ? Not able to change state of heated seats and/or steering wheel during stop event on Stop/Start vehicles. ? Touchscreen confirmation beep may be too loud (Grand Cherokee only). ? U0208-00 - Loss Communication With Heated Seat Control Module (Cherokee only). Improvements: ? Only allow vehicle settings to be changed in run mode. To help ensure settings are properly saved. ? Always gray out text message soft keys for non-supporting devices. ? Voice Recognition (VR) improved accuracy.
08-028-162018-06-25. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); ELECTRICAL SYSTEM:SOFTWARE. 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.
Z5091195A$2018-06-11. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM); EQUIPMENT; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT:ELECTRICAL. RES / RHA / REB radio that supports Bluetooth and Hands-Free For issues with Bluetooth, Hands-Free Calling, and/or Voice Commands, DO NOT replace the radio. Diagnose the Hands-Free Module system (also called the Telematics Module). The Telematics Module (and associated components) is the system responsible for these features. A power cycle may be required for the hands-free module for proper diagnosis.~ Please reference; 8T - Navigation/Telecommunication Diagnosis and Testing (DIAGNOSIS AND TESTING - HANDS FREE PHONE)
18-023-162018-06-11. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Flash: 2.4L Powertrain Diagnostic and System 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 or one or more of the following conditions. Upon further investigation the technician may find the following Diagnostic Trouble Codes (DTCs) set in the PCM memory:
18-036-162018-06-11. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM. SUBJECT: Flash: 6.7L Diagnostic And System Improvements This bulletin involves reprogramming the Engine Control Module (ECM) with the latest available software. Several software improvements are available for vehicles equipped with a Cummins 6.7L turbo diesel.
171612018-06-11. Service bulletin. ELECTRICAL SYSTEM:IGNITION; EQUIPMENT; ELECTRICAL SYSTEM:IGNITION:SWITCH. You have been identified as either having stock, or have stock in transit to your dealership. Please return suspect stock of part number 04685719AI. See attachments for identifying suspect stock. Please return suspect parts back to your facing depot using Return Code 02, before 11 July, 2016. Return any open orders in process too. Direct all questions via email to mopardmail@fcagroup.com.
306572018-06-11. Service bulletin. ELECTRICAL SYSTEM. R4801865AC Alternator Assy - 220 Amp You have been identified as either having stock, or have stock in transit to your dealership. Please return all stock of part number R4801865AC. Replacement is part number 04801865AE which is in stock and available. Please return suspect parts back to your facing depot using Return Code 02, before 04 April, 2017.
08-079-14 REV. C2018-06-11. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE. 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.
08-108-142018-06-11. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE. RA2 Radio Software Enhancements This bulletin involves updating the radio's software. A customer may have experience one or more of the following: Not able to change state of heated seats and/or steering wheel during stop event on Stop/Start vehicles. Touchscreen confirmation beep may be too loud (Grand Cherokee only). U0208-00 - Loss Communication With Heated Seat Control Module (Cherokee only).Improvements: Only allow vehicle settings to be changed in run mode. To help insure settings are properly saved. Always gray out text message soft keys for non-supporting devices. Voice Recognition (VR) improved accuracy.
08-109-142018-06-11. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; ELECTRICAL SYSTEM:SOFTWARE. RG2 Or RJ2 Radio Software Enhancements This bulletin involves updating the radio's software. A customer may have experience one or more of the following: Not able to change state of heated seats and/or steering wheel during stop event on Stop/Start vehicles. Touchscreen confirmation beep may be too loud. The radio does not allow selection of the Polish language. The radio fan continually runs at high speed. Customer perception may be the radio fan is too loud.Improvements: Only allow vehicle settings to be changed in run mode. To help insure settings are properly saved. Always gray out text message soft keys for non-supporting devices. Voice Recognition (VR) improved accuracy.
08-053-162018-06-04. Service bulletin. EQUIPMENT; PARKING BRAKE; ELECTRICAL SYSTEM. Flash: RA3/RA4 Radio Software 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: · Poor or no connection to cellular network (U.S. market only). · HVAC temperature out of sync with radio display (KL vehicles).** · Intermittently blind spot chime will not turn off (KL vehicles only). · Enable High Definition (HD) feature (RA4 radios located in Canada and Mexico). 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 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 first 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: · **User can pair iPhone with Uconnect via Bluetooth and talk to Siri through Uconnect. · Ability to press VR button for more than one second.** · Faster response time when using the Remote
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.
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.
18-099-162017-11-03. Service bulletin. ENGINE; ELECTRICAL SYSTEM. Flash: 6.7L Diagnostic And System Improvements This bulletin involves reprogramming the Engine Control Module (ECM) with the latest available software. Several software improvements are available for vehicles equipped with a Cummins 6.7L turbo diesel. NOTE: There will be a choice between two calibrations. One for vehicles that utilize an ammonia sensor and one for vehicles that have had the ammonia sensor removed. Be sure to select the correct software based on vehicle configuration. Improvements to prevent or reduce Malfunction Indicator Lamp (MIL) illumination when no defect is present for the following Diagnostic Trouble Codes (DTCs): · **P20EE - Selective Catalytic Reduction (SCR) NOx Catalyst Efficiency Below Threshold - Bank 1 (For ammonia sensor equipped vehicles).** · P1C55 - NOx Sensor Intermittent - Bank 1 Sensor 1 (For ammonia sensor deleted systems only). · P218F - Reductant No Flow Detected. · P242F - Diesel Particulate Filter Restriction - Ash Accumulation. · U110E - Lost Ambient Temperature Message. · P205E - (Diesel Exhaust Fluid) Reductant Tank Temperature Sensor Circuit Intermittent (setting when the block heater is plugged in). · P20E8 - (Diesel Exhaust Fluid) Reductant Pressure Too Low. · U3017 - Control Module Timer/Clock Performance. · U1421 - Implausible Ignition Key Off Time Received. · P2281 - Air Leak Between MAF And Throttle Body. Other Software Improvements: · Ambient Air Temperature Improvements. · Operational Improvement for Dual Alternators. · Selective Catalytic Reduction (SCR) Efficiency scan tool test improvement. · Fuel Filter Minder calibration changes. · wiTECH Fuel Pressure Override and Fuel System Run Up test improvements. · Exhaust Gas Recirculation (EGR) system improvement to help prevent freeze up. · Diesel Exhaust Fluid (DEF) system enhancement during stationary regeneration.
08-053-162016-07-14. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:ELECTRICAL; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. SUBJECT: Flash: RA3/RA4 Radio Software Enhancements OVERVIEW: This bulletin involves inspecting and, if required, updating the radio software.
18-036-162016-06-22. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
18-002-15 REV. B2016-06-22. Service bulletin. ELECTRICAL SYSTEM. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
18-002-15 REV.A2016-06-22. Service bulletin. ELECTRICAL SYSTEM. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
08-109-142016-04-26. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
08-108-142016-04-26. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.