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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.

By type

By component

By trouble code

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

Bulletins, newest first
90035852022-08-08. Service bulletin. 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$ (heater grid) and 05187880A$ (relay). Inspect electrical cable between the heater grid and relay for signs of possible overheating. Replace cable as necessary.
90035852022-07-25. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:HEATER CORE; 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$ (heater grid) and 05187880A$ (relay). Inspect electrical cable between the heater grid and relay for signs of possible overheating. Replace cable as necessary.
18036162022-07-05. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Diagnostic And System Improvements.
1800215 REV B2022-07-05. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM. This bulletin involves reprogramming the Powertrain Control Module (PCM) with updated
1800215 REV A2022-07-05. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). This bulletin involves reprogramming the Powertrain Control Module (PCM) with updated
08110152022-07-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; STRUCTURE. This bulletin involves configuring the Body Control Module (BCM).
08108152022-07-05. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. This bulletin involves reprogramming the Vehicle System Interface Module (VSIM) with the
90044702022-06-27. Service bulletin. ELECTRICAL SYSTEM:WIRING; TRAILER HITCHES. CONNECTOR/WIRING, Trailer Tow If the connector or wiring is physically damaged, burned, melted or corroded, prior to replacing the part, please contact FCA Redacted Content If no response in 15 minutes, proceed with repair. Please send pictures of the failed part to FCA Redacted Content
0900122 REVA2022-05-31. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER; EXTERIOR LIGHTING. Cummins 6.7L Turbocharger Actuator - X93 Warranty Extension This bulletin involves replacing the turbocharger actuator with an updated actuator. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technicianmay find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: U010C - Lost Communication With Turbocharger/Supercharger Control Module. P003A - Turbocharger Boost Control Module Position Exceeded Learning Limit. P00AF - Turbocharger Boost Control Module Performance. P0046 - Turbocharger Boost Control Circuit Performance. P0234 - Turbocharger Overboost Condition.
18-097-162021-05-24. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT. Powertrain diagnostic and system improvements.
S1908000028 Rev.2020-12-28. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. (Rev. A) Power Inverter Load Ratings
S1908000028 Rev.2020-12-21. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. (Rev. A) Power Inverter Load Ratings
S20080001132020-09-28. Service bulletin. ENGINE; ELECTRICAL SYSTEM. No Start Intermittently, Vehicle Requires Multiple Keyless Push To Start Attempts To Start Vehicle
S20080000932020-07-27. Service bulletin. ELECTRICAL SYSTEM:ADAS:PARKING ASSIST:WARNING; ELECTRICAL SYSTEM:ADAS:BLINDSPOT:WARNING:LAMP. Blind Spot Or Park Assist Warnings, False Activation
08-049-202020-05-26. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Charging System, Battery Diagnostic Tools and Warranty This information only bulletin discusses using the correct test equipment for testing batteries and charging systems, and also warranty reimbursement when battery replacements are necessary.
S15080004802020-04-27. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Speed Control Operates Intermittently
21-017-19 REV. A2019-12-16. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM. Flash: Transmission Control Module (TCM) Updates This bulletin involves reprogramming the TCM with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that the followingDTC has been set:U1111-00 - Lost Odometer Message(DD, DF, and DP with Diesel Engine Only). In addition, the customer may notice one or more of the following conditions: The customer may notice a harsh 2-3 and/or 3-4 shift(2017 MY D2 with ETK 6.7L Diesel and DF2 Transmission Only). 1-2 hard shift. 3-4 flare issue fix. Trans quick learn fix(Gas Engine Only). Transmission oil temperature light illumination during high engine and tow loads. Less than desired towing performance while using cruise control. Harsh engagement while shifting from neutral to drive, neutral to reverse,or park to reverse with vehicle still in motion (rolling garage shift). Engine flare during 2-1 tip in downshift. Less than desired shift quality during 6-5 and 5-4 coasting downshifts. Delayed downshifts in Tow/Haul mode while driving down grades. Less than desired transmission shift performance when transitioning froma low traction to high traction surfaces i.e. ice covered road to clear pavement. Less than desired shift points during light pedal and Wide Open Throttle(WOT) operation or while in Tow/Haul and engine brake modes. 1-2 upshift shudder correction(Diesel engine and DF2 Transmission Only). A harsh 1-2 upshift(DF2 Transmission Only). Excessive gear shifting(DF2 Transmission Only). Harsh 2-1 downshift(DF2 Transmission Only). Delayed engagement when shifting from neutral to drive, neutral to reverse,or park to reverse (garage shifts)(DF2 Transmission Only). Audible squawk noise on 4-3 downshift(DF2 Transmission Only). Poor vehicle acceleration in first gear with vehicle fully loaded(DF2 Transmission Only). MIL illumination with no defect found forDTC P253D - PTO Sense Circuit High(DF2 Transmission Only).
08-089-192019-10-28. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. Flash Over The Air (FOTA) Software Update RA3 and RA4 Radio 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.
546382019-07-15. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. ASH RECEIVER - INSTRUMENT PANEL
05-013-152019-05-20. Service bulletin. ELECTRONIC STABILITY CONTROL:AUTOMATIC (ASC); ELECTRICAL SYSTEM; SERVICE BRAKES. Flash: Anti Lock Brake (ABS) Module System Enhancements This bulletin involves updating the Anit-Lock Brake System (ABS) module software. The customer may describe the Electronic Stability Control (ESC) Warning lamp is illuminated on the instrument cluster. Upon further inspection, the technician may find the following Diagnostic Trouble Code (DTC): C006A-49 - Multi-Axis Acceleration Sensor - Internal Electronic Failure.
18-002-15 REV B2019-05-20. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Flash: Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with updated 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: ? 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
08-111-152019-05-20. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM. RA1 Radio Enhancements This bulletin involves updating the software on the RA1 Radio. A customer may experience, one or more of the following conditions: ? Radio may reset, turn itself off and then back on again. All Symptom Listed Below Are For 2013 Vehicles Only: ? Radio may be muted. Any of DTCs B1400-92-Front Left Audio Speaker Output - Performance Incorrect Operation and/or B1404-92- Front Right Audio Speaker Output - Performance Incorrect Operation and/or B1408-92-Rear Left Audio Speaker Output - Performance Incorrect Operation and/or B140C-92-Rear Right Audio Speaker Output - Performance Incorrect Operation, maybe active or stored. ? Radio display screen may turn off. ? Radio will stay on after the vehicle is turned off with remote. (Applies to vehicle with Mopar remote start add on package only). ? Radio will stay on for 20 minutes after ignition is turned off and the only way to turn off the radio is by pressing the power button on the radio. Software was updated to have the radio shut off based on the cluster accessory delay setting.
08-110-152019-05-20. Service bulletin. ELECTRICAL SYSTEM. LED Lamp Configuration Update This bulletin involves configuring the Body Control Module (BCM). The customer may describe LED Turn Signals do not properly display.
08-108-152019-05-20. Service bulletin. ELECTRICAL SYSTEM. Vehicle System Interface Module Unresponsive This bulletin involves reprogramming the Vehicle System Interface Module (VSIM) with the latest available software. Customers may notice uplift components connected to the VSIM inoperative at times. This is caused by a condition where as the VSIM locks up and becomes unresponsive. No DTCs will be reported for loss of communication between the VSIM and Central Body Controller (CBC). This can be corrected by updating the VSIM with the latest available software. SYMPTOM ONLY FOR 2013 DD AND DP with Power Take Off Prep (Sales Code LBN) Customers may experience after 30 minutes of operation the PTO may shut off. The PTO will start working again after the ignition is cycled.
18-002-15 REV A2019-05-20. Service bulletin. ENGINE; ELECTRICAL SYSTEM:SOFTWARE; POWER TRAIN. 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 summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.