Service bulletins for the 2012 Dodge Ram
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.
378 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
| 08-021-13 | 2022-07-25. Service bulletin. ELECTRICAL SYSTEM; PARKING BRAKE. Flash: Hands Free Module Customer Satisfaction Enhancements This Bulletin involves performing a USB service flash of the Hands Free Module (HFM). The customer satisfaction enhancements are included with this software release:After the HFM has been updated it will receive these enhancements. Reduced ?Device Reading? wait time after connecting a device to the remote USB port. Call / Dial separation improves upon names being recognized as phone numbers. Improved sound quality during Bluetooth streaming. Increased iPod and iPhone compatibility. SMS messaging support via MAP protocol (not all phones support the MAP protocol). Added ?None of These? and ?Correction? to the phone book prompt menu for better handling of similar names. Previous button will return the song currently being played to the beginning of the track. AirPlay feature ?Dock Connector? no longer needs to be manually selected on Apple devices. This will resolve the ?No Audio? condition when the device is connected to the remote USB port and dock connector is not selected.USB mode resume will no longer 'resume' after ignition OFF |
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| 18-009-13 | 2022-07-25. Service bulletin. EXTERIOR LIGHTING; ELECTRICAL SYSTEM. Flash: MIL Illumination P1004 - Short Runner Valve Control Performance 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 Code (DTC) has been set: P1004 - Short Runner Valve Control Performance |
| 25-004-12 | 2022-07-25. Service bulletin. BACK OVER PREVENTION; POWER TRAIN; EXTERIOR LIGHTING; ELECTRICAL SYSTEM; FUEL SYSTEM, GASOLINE. Malfunction Indicator Lamp Illumination Due To Oxygen Sensor This bulletin involves replacement of the Oxygen Sensor Connectors for any Oxygen Sensor related DTC. Do NOT replace any parts prior to performing this bulletin and the Verifications test below. If the vehicle has any of the following DTC?s for O2 Sensors, Stored, Pending or Active, perform the Repair Procedure. ? P013A O2 Sensor 1/2 Slow Response - Rich To Lean (Soot related code, see note) ? P013B O2 Sensor 1/2 Slow Response - Lean To Rich (Soot related code, see note) ? P014C O2 Sensor 1/1 Slow Response - Rich To Lean (Soot related code, see note) ? P014D O2 Sensor 1/1 Slow Response - Lean To Rich (Soot related code, see note) ? P0030 O2 Sensor 1/1 Heater Circuit ? P0031 O2 Sensor 1/1 Heater Circuit Low ? P0032 O2 Sensor 1/1 Heater Circuit High ? P0036 O2 Sensor 1/2 Heater Circuit Malfunction ? P0037 O2 Sensor Heater Circuit Low 1/2 ? P0038 O2 Sensor Heater Circuit High 1/2 ? P0053 O2 Sensor Heater 1/1 Resistance ? P0054 O2 Sensor Heater 1/2 Resistance ? P064D Internal Control Module 02 Sensors Processor Performance - Bank 1 ? P0131 1/1 02 Sensor Shorted To Ground ? P0132 1/1 02 Sensor Shorted To Voltage ? P0135 O2 Sensor 1/1 Heater Performance ? P0137 1/2 02 Sensor Shorted To Ground ? P0138 1/2 02 Sensor Shorted To Voltage ? P0141 O2 Sensor 1/2 Heater Performance ? P113C O2 Sensor Power Supply Circuit Performance ? P2195 O2 Sensor 1/1 Out Of Range High ? P2196 O2 Sensor 1/1 Out Of Range Low ? P22AB O2 Sensor Positive Current Control Circuit/Open - Bank 1 Sensor 2 ? P22AE O2 Sensor Reference Voltage Circuit/Open - Bank 1 Sensor 2 ? P22B2 O2 Sensor Negative Current Control Circuit/Open - Bank 1 ? P22B5 O2 Sensor 1/2 Pump Cell Current Trim Circuit Open ? P2237 O2 Sensor 1/1 Pump Cell Current Circuit Low ? P2243 O2 Sensor 1/1 Reference Voltage Circuit Open ? P2251 O2 Sensor 1/1 Negative Current Control Circuit/Open ? P2270 O2 Sensor 1/2 Out Of R |
| 08-053-12 | 2022-07-25. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; PARKING BRAKE; SUSPENSION. Flash: RHR, RHW Or RHP Radio Software Enhancements This bulletin involves upgrading the software on the RHR, RHW or RHP Radio. The customer may experience one or more of the following conditions. Erratic alternate frequency switching (International only). Bluetooth phone muting during European traffic announcement (International only). Lost channel presets, home addresses, address book entries & Travel Link favorites. Not able to change default country and state then route. Unable to load .jpeg files onto hard drive to display on touch screen. Vehicle with Start/Stop feature, the screen will go black when the engine turns off at a stop. (International only). Incomplete Travel Link temperature displayed when the temperature is over 100F. Example, if the temperature is 107F the screen will display 07. (Domestic U.S. only). Cancel key inoperative after pressing the international button. iPhone4 dial not possible after second call. Missing Travel Link buttons from SAT menu (Domestic U.S. only). Devices button disabled in VES menu. Unable to route to a recent route after a map update. Remove Travel Link disclaimer popup (Domestic U.S. only). Duplicate phone numbers in popup after pressing the international button. During active call and on hold, DIAL button should be displayed (not ?TONE? button). International button not visible. Point of interest (POI) Search enhancements. When video in remote DVD player is stopped devices button wrongly labeled as DVD. Access Travel Link immediately after radio no update when staying on TL screen. iPod, track selection enhancements. |
| 9003585 | 2022-07-25. 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. |
| 18-012-13 | 2022-07-25. Service bulletin. POWER TRAIN; ELECTRICAL SYSTEM; ENGINE. FLASH: Diagnostic and System Enhancements This bulletin involves selectively erasing and reprogramming the Engine Control Module (ECM) with new software. Cab chassis trucks equipped with a 6.7L Cummins diesel have a number of software improvements available. This latest Service Bulletin (SB) will include:Improvements To Prevent Unnecessary Malfunction Indicator Lamp (MIL) Illumination For: P061A - ETC LEVEL 2 TORQUE PERFORMANCE P229F - AFTERTREATMENT NOx SENSOR CIRCUIT PERFORMANCE - BANK 1 SENSOR 2 P2453 - DIESEL PARTICULATE FILTER PRESSURE SENSOR A CIRCUIT PERFORMANCE P2609 - INTAKE AIR HEATER SYSTEM PERFORMANCE P1123 - POWER TAKE OFF SYSTEM MONITOR CONTROL ERROR U010E - LOST COMMUNICATION WITH DIESEL EXHAUST FLUID CONTROL UNIT U059F - INVALID DATA RECEIVED FROM NOx SENSOR "B" P20EE - SCR NOx CATALYST EFFICIENCY BELOW THRESHOLD - BANK 1; for DTC's set at highway speed and/or high load drive cycles Vehicles with DTC P20EE set in conditions other than highway speed and/or high load drive cycles should have normal diagnostics performed Enhanced Diagnostics For: Selective Catalyst Reduction (SCR) efficiency diagnostic improvements.Other Updates: Too frequent regeneration readiness improvement Correct CAC out voltage in WiTech Add ability to read EMP sensor value in WiTech Enable EMP deicing algorithm Display correct crankcase pressure in WiTech Display correct EGR position in WiTech Improve idle shutdown messages - extra message removed Display correct alternator voltage in WiTech Idle shutdown message on EVIC. Turbo protection feature (Not displayed if vehicle is in park or no vehicle speed). Limits RPM at cold ambient to prevent turbo damage. Scan tool display updates. Correct operation of remote PTO. System robustness improvements. |
| 9002350 | 2022-07-18. Service bulletin. SERVICE BRAKES; ELECTRICAL SYSTEM; EQUIPMENT. Part Description: Integrated Trailer Brake Module Issue Description: Before replacing an Integrated Trailer Brake Module (ITBM) please review the following items.~ 1. The ITBM does not control the trailer lights. If the trailer lights are not working, do not change the ITBM.~ 2. If the Diagnostic Trouble Code(DTC) reported by the ITBM is C10C7-11 "Electronic Trailer Brake Control Output Short to Ground" or C10C7-12 "Electronic Trailer Brake Control Output Short to Battery", please verify the wiring on the trailer. The purpose of this faults is to protect the ITBM output from faulty trailer wiring.~ 3. If the customer complaint is ITBM not detecting the trailer connection. Do not change the ITBM until the system has been verified with load simulation and confirmed that ITBM is not recognizing the load. If load simulation indicates that the ITBM is operating properly, please verify the trailer wiring.~ 4. ITBM output will not be available if a trailer is not connect and plugged into the vehicle. The ITBM must detect a trailer before you will get trailer brake output.~ 5. Please follow the service manual procedures before changing the ITBM.~ This part can only be used as a replacement on vehicles with the Integrated Trailer Brake system already installed. Do not attempt to use this module for the purpose of adding the Integrated Trailer Brake system to a vehicle that was not originally equipped. You will encounter configuration difficulties. MOPAR has developed a kit, part number 82212548 to be used for installation of the Integrated Trailer Brake system on vehicles. |
| 9004470 | 2022-06-27. 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 |
| 18-001-13 | 2021-03-29. Service bulletin. FUEL SYSTEM, GASOLINE; FUEL SYSTEM, DIESEL; BACK OVER PREVENTION; POWER TRAIN; ELECTRICAL SYSTEM; SERVICE BRAKES. Flash: Diagnostic and System Improvements This bulletin involves selectively erasing and reprogramming the Engine Control Module (ECM) with new software. Pickup trucks equipped with a 6.7L Cummins diesel have software improvements/enhancements available for the following DTC's: P049D - EGR CONTROL POSITION EXCEEDED LEARNING LIMIT P0101 - MASS AIR FLOW SENSOR "A" CIRCUIT PERFORMANCE P0191 - FUEL RAIL PRESSURE SENSOR CIRCUIT PERFORMANCE P2000 - NOx ABSORBER EFFICIENCY BELOW THRESHOLD (Diagnostic improvements) P2002 - DIESEL PARTICULATE FILTER EFFICIENCY BELOW THRESHOLD (for high altitude failures) P2195 - O2 SENSOR 1/1 OUT OF RANGE HIGH P2196 - O2 SENSOR 1/1 OUT OF RANGE LOW P2270 - O2 SENSOR 1/2 OUT OF RANGE HIGH P2271 - O2 SENSOR 1/2 OUT OF RANGE LOW P241A - O2 SENSOR 1/1 AND 1/2 OXYGEN CONCENTRATION MISMATCH P242F - DIESEL PARTICULATE FILTER RESTRICTION - ASH ACCUMULATION P2453 - DIESEL PARTICULATE FILTER PRESSURE SENSOR A CIRCUIT PERFORMANCE P2609 - INTAKE AIR HEATER SYSTEM PERFORMANCEVehicles flashed to address the above codes should be driven and repair validated. If code(s) return, follow diagnostic procedures available in DealerCONNECT/TechCONNECT.Improvements other than DTC robustness or enhancements: Improve cruise control functionality Display correct EGR position on WiTech Corrected CAC Outlet temperature voltage reading Display Correct alternator voltage in WiTech Correct for OBD II Readiness for frequent regeneration monitor Correct water in fuel (WIF) parameter to wiTECH ScanTool may report a code as stored, even though the fault has been cleared by completing a significant number of drive cycles without a repeat occurrence Active codes not always displayed correctly Engine derate with IOD removed. This will help prevent turbo damage due to oil thickening in cold climate start up on new vehicles in transit Scan tool readiness reporting issues EGR Valve cleaning and monitoring enhancements to help reduce occurrences of P04 |
| 9002350 | 2021-03-15. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL; ELECTRICAL SYSTEM. Part Description: Integrated Trailer Brake Module Issue Description: Before replacing an Integrated Trailer Brake Module (ITBM) please review the following items.~ 1. The ITBM does not control the trailer lights. If the trailer lights are not working, do not change the ITBM.~ 2. If the Diagnostic Trouble Code(DTC) reported by the ITBM is C10C7-11 "Electronic Trailer Brake Control Output Short to Ground" or C10C7-12 "Electronic Trailer Brake Control Output Short to Battery", please verify the wiring on the trailer. The purpose of this faults is to protect the ITBM output from faulty trailer wiring.~ 3. If the customer complaint is ITBM not detecting the trailer connection. Do not change the ITBM until the system has been verified with load simulation and confirmed that ITBM is not recognizing the load. If load simulation indicates that the ITBM is operating properly, please verify the trailer wiring.~ 4. ITBM output will not be available if a trailer is not connect and plugged into the vehicle. The ITBM must detect a trailer before you will get trailer brake output.~ 5. Please follow the service manual procedures before changing the ITBM.~ This part can only be used as a replacement on vehicles with the Integrated Trailer Brake system already installed. Do not attempt to use this module for the purpose of adding the Integrated Trailer Brake system to a vehicle that was not originally equipped. You will encounter configuration difficulties. MOPAR has developed a kit, part number 82212548 to be used for installation of the Integrated Trailer Brake system on vehicles. |
| 9002594 | 2021-03-15. Service bulletin. STEERING; EQUIPMENT; ELECTRICAL SYSTEM. For 2010 model year and newer, the BTSI solenoid is part of the bracket assembly that mounts to the steering column. Common solenoid and bracket assy part numbers are 05057506AD and 05057507AB. Please check your part for correct application. (Prior to 2010, the solenoid was part of the shift cable.) |
| 9003968 | 2020-08-24. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:APPLIANCE:AIR CONDITIONER. CONDENSER, Air Conditioning CONDITION 1: If it is determined that the A/C compressor does not engage due to a refrigerant leak at the receiver/drier plug on the A/C condenser, order the receiver/drier plug kit P/N 68447796A$ and follow the repair instructions included on the instruction sheet. CONDITION 2: For stock at the dealership of the below Part Number level or older ONLY, use kit 68447796A$ to change the desiccant BAG and the desiccant bag access PLUG before installing the Cooler on the vehicle. 52014588AD level and older only. 52014609AC level and older only. 52014632AC level and older only. 52014797AG level and older only. 52014948AE level and older only. 52014978AF level and older only. |
| 08-049-20 | 2020-05-26. 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. |
| S2021000002 | 2020-05-26. Service bulletin. ELECTRICAL SYSTEM. Valve Body Pressure Testing Plug Inspection |
| 9004251 | 2020-05-26. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT. RFE Valvebody Plug Installation OEM RFE valve bodies require seven (7) 06030035 plugs installed and torqued to 45 in-lb (5Nm). Notify independant repair facilities when they order valve body. |
| S1508000480 | 2020-04-27. Service bulletin. EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. Speed Control Operates Intermittently |
| 9003968 | 2019-10-28. Service bulletin. ENGINE AND ENGINE COOLING; ELECTRICAL SYSTEM; ENGINE. CONDENSER, Air Conditioning If it is determined that the A/C compressor does not engage due to a refrigerant leak at the receiver/drier plug on the A/C condenser, order the receiver/drier plug kit P/N 68447796A$ and follow the repair instructions included on the instruction sheet. |
| 54638 | 2019-07-15. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. ASH RECEIVER - INSTRUMENT PANEL |
| 18-097-15 | 2019-05-20. Service bulletin. POWER TRAIN; STRUCTURE; ELECTRICAL SYSTEM. Flash: 5.7L Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with updated software. During normal diagnostics a technician may find Diagnostic Trouble Code (DTC) U0140 - Lost Communication With Body Control Module (BCM) and when attempting to clear from the PCM with a Scan Tool (wiTECH) will be unsuccessful to do so. |
| 56041380A | 2018-11-26. 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. |
| 08-028-16 | 2018-06-25. 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) |
| 18-023-16 | 2018-06-11. 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: |
| 17161 | 2018-06-11. 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. |
| 18-009-13 | 2018-06-11. Service bulletin. ELECTRICAL SYSTEM; POWER TRAIN. Flash: MIL Illumination P1004 - Short Runner Valve Control Performance 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 Code (DTC) has been set: P1004 - Short Runner Valve Control Performance |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.