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Service bulletins for the 2011 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.

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

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
90017622018-06-11. Service bulletin. ENGINE AND ENGINE COOLING. Part Description: Thermostat, Engine Issue Description: Important! There has been an application change to the Cummins turbo diesel thermostat. When replacing a thermostat confirm the correct replacement is choosen.~ 2010, 2011, and 2012 RAM Trucks 2500/3500/4500/5500 engine coolant operating temperature has been increased to 200 degrees requiring thermostat 68067109AA.~ 2009, 2013, and 2014 RAM Trucks 2500/3500/4500/5500 engine coolant operating temperature is 190 degrees requiring thermostat 68005464AA.~ These thermostats are not interchangeable and doing so will result in reduced engine performance.
N08020720132018-06-04. Service bulletin. EQUIPMENT; ENGINE; POWER TRAIN. Advanced Field Action Communication ? N0802072013 Chrysler Group LLC (Chrysler) announced a safety recall on certain 2009 through 2012 model year: (DS) Ram Truck (ND) Dodge Dakota (HB) Dodge Durango (HG) Chrysler Aspen NOTE: All of the above involved vehicles are equipped with a Chrysler 9.25? rear axle (sales code DRB) or C235 rear axle (sales code DRN). The above vehicles may have been built with a rear axle pinion nut that can loosen, which could result in the rear axle locking up. This could cause a loss of vehicle control and/or a crash with little warning. Chrysler will conduct a voluntary safety recall on all affected vehicles to install a rear axle pinion nut retainer. Dealers will be notified of the launch of this safety recall by way of established methods used in the past.
90026882018-06-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:WIRING; ENGINE AND ENGINE COOLING. 68069384A$, R8069384A$, 68086182A$, R8027067A$, RL002012A$ - Gasket, Cylinder Head Cover Before replacing injectors for Diagnostic Trouble Codes P0201, P0202, P0203, P0204, P0205, and/or P0206, please make sure that the wiring loom and/or connector in the valve cover gasket is not the root cause to your concern. In addition, make sure that the wiring attaching nuts are torqued to their proper value.~
25-002-132018-06-04. Service bulletin. ENGINE AND ENGINE COOLING; EQUIPMENT. MIL Illumination Due To P1C56 - NOx Sensor Intermittent - Bank 1 Sensor 2 This bulletin involves verifying excessive Diesel Exhaust Fluid (DEF) deposits in the decomposition tube collected and if present, replacing the Catalytic Converter Shield with a ?clam shell? shield with a metal exterior.This repair is to be performed in addition to diagnostics available in DEALERCONNECT > Service > Repair Information > TechCONNECT > 28 - DTC-Based Diagnostics > MODULE, Powertrain Control (PCM), DD/DP - Chassis Cab > Diagnosis and Testing > P1C56 - NOx SENSOR INTERMITTENT - BANK 1 SENSOR 2 Customer may experience MIL illumination. Further investigation by the technician may find P1C56 - NOx Sensor Intermittent - Bank 1 Sensor 2 is set active or stored.This condition may be caused by insufficient heat retention in the exhaust at or near the DEF doser.
09-001-132018-06-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE; EQUIPMENT; EQUIPMENT ADAPTIVE/MOBILITY. Gasoline Engine Diagnostic Inspection Procedure This bulletin provides a procedure to determine repair versus replacement of a gasoline long block engine assembly. This procedure is to be used prior to conducting any engine related repairs or removal of engine components.
18-022-132018-05-21. Service bulletin. FUEL SYSTEM, DIESEL; ENGINE AND ENGINE COOLING:ENGINE:DIESEL. Cummins 6.7L Turbo Diesel Common Diagnostic Process New 6.7L Cummins®Turbo Diesel Common Diagnostic Process is now available as part of the standard diagnostic process located in TechCONNECT>Service Info.
25-001-13 REV. A2018-05-21. Service bulletin. ENGINE AND ENGINE COOLING. MIL Illumination Due to P2000, P2A00 and/or P2A01 FRONT O2 sensor. Customer may experience MIL illumination. Further investigation by the technician may find one or more of the following DTC(s) present: P2000 - NOX Absorber Efficiency Below Threshold - Bank 1. P2A00 - O2 Sensor 1/1 Circuit Performance. P2A01 - O2 Sensor 1/2 Circuit Performance.
18-013-132018-05-14. Service bulletin. ENGINE. FLASH: Engine Systems and PTO 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: P0524-ENGINE OIL PRESSURE SENSOR CIRCUIT LOW P051B-CRANKCASE PRESSURE SENSOR CIRCUIT RANGE/PERFORMANCE P20EE-SCR NOx CATALYST EFFICIENCY BELOW THRESHOLD - BANK 1 U010E-LOST COMMUNICATION WITH DIESEL EXHAUST FLUID CONTROL UNIT P2609-INTAKE AIR HEATER SYSTEM PERFORMANCE P061A-ETC LEVEL 2 TORQUE PERFORMANCE P1123-POWER TAKE OFF SYSTEM MONITOR CONTROL ERROR P2579-TURBOCHARGER SPEED SENSOR CIRCUIT PERFORMANCE P2453-DIESEL PARTICULATE FILTER PRESSURE SENSOR A CIRCUIT PERFORMANCE U059F-INVALID DATA RECEIVED FROM NOx SENSOR "B" P20EE-SCR NOx CATALYST EFFICIENCY BELOW THRESHOLD-BANK 1 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: Variable Geometry Turbocharger. Fuel level sensor. Misfire without MIL illuminationOther Updates: Too frequent regeneration readiness improvement Correct CAC out voltage in WiTech Add ability to read EMP sensor value in WiTech Display correct crankcase pressure in WiTech Display correct EGR position in WiTech Display correct alternator voltage in WiTech mprove idle shutdown messages-extra message removed Low Diesel Exhaust Fluid (DEF) level EVIC messaging strategy changes. Diesel Exhaust Fluid (DEF) system tampering EVIC messaging strategy changes. Oil change monitor-updated for easier reset (same basic procedure, easier to reset). Scan tool display updates. Enable mobile PTO capability. Correct operation of remote PTO. Correct EVIC messaging related to DEF level reporting System robustness improveme
09-001-132018-02-21. Service bulletin. ENGINE. Gasoline Engine Diagnostic Inspection Procedure This bulletin provides a procedure to determine repair versus replacement of a gasoline long block engine assembly. This procedure is to be used prior to conducting any engine related repairs or removal of engine components.
RL108213A$2017-11-03. Service bulletin. ENGINE AND ENGINE COOLING. NAG1 (5A580) Valve Body As per Warranty Bulletin D-13-22, please use R2108213A$ valve body for all Warranty (W), Mopar (M) and Mopar Vehicle Protection (F) claims.~ Assembly also includes Filter (52108325AA) and Gasket (52108332AA).~
18-066-162016-09-14. Service bulletin. ENGINE; ELECTRICAL SYSTEM:SOFTWARE. "FLASH: POWERTRAIN DIAGNOSTIC AND SYSTEM ENHANCEMENTS THIS BULLETIN INVOLVES REPROGRAMMING THE POWERTRAIN CONTROL MODULE (PCM) WITH UPDATED SOFTWARE. ILLUMINATION. UPON FURTHER INVESTIGATION THE TECHNICIAN MAY FIND THE FOLLOWING DIAGNOSTIC TROUBLE CODES (DTCS): MIL ILLUMINATION · P2096 - DOWNSTREAM FUEL TRIM SYSTEM 1 LEAN (5.7L ENGINES). · P2097 - DOWNSTREAM FUEL TRIM SYSTEM 1 RICH (5.7L ENGINES). · P2098 - DOWNSTREAM FUEL TRIM SYSTEM 2 LEAN (5.7L ENGINES). · P2099 - DOWNSTREAM FUEL TRIM SYSTEM 2 RICH (5.7L ENGINES). DRIVABILITY IMPROVEMENTS: · **MIL LAMP WITHOUT DTC ACTIVE - PERMANENT FAULT CODE ISSUE (FIX PERMANENT FAULT CODE RETENTION). · ASD RELAY (TO IMPROVE FUEL PUMP RELAY INITIALIZATION AT KEY ON).** · FUEL PUMP RELAY OPERATION AT KEY ON. · ENGINE SEEMS TO LACK POWER AT HIGH ENGINE RPMS (5.7L AND 4.7L ENGINES). · SHUDDER OR SHAKE CONDITION ON WIDE OPEN THROTTLE STAB DURING DOWNSHIFT EVENT (5.7L AND 4.7L ENGINES). · EVAP DIAGNOSTIC ENHANCEMENTS. THIS DIAGNOSTIC ROUTINE WILL BE DISABLED WHILE THE VEHICLE IS IN DECEL FUEL SHUT OFF MODE.(3.7L/4.7L ENGINES ONLY). · AUDIBLE KNOCK SOUND ON WOT LAUNCHES (DJ/DD 5.7L ENGINES ONLY). TRANSMISSION IMPROVEMENTS: · HIGH ENGINE RPMS NEEDED BEFORE VEHICLE WILL UPSHIFT FROM 3RD TO 4TH. (5.7L AND 4.7L ENGINES). · HARSH 1ST TO 2ND GEAR UPSHIFT (5.7L AND 4.7L ENGINES). · UNEXPECTED OR BUSY DOWNSHIFT WHILE COASTING BETWEEN 72-77 KMH (45-48 MPH) (DS 5.7L ENGINES ONLY)."
25-004-132016-06-02. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
25-006-132016-05-13. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
25-005-142016-05-13. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
25-004-0132016-05-13. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
25-004-122016-05-13. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
25-003-132016-05-13. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
25-002-142016-05-13. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
25-002-132016-05-13. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
25-001-13REV.A2016-05-13. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
18-016-142016-04-26. Service bulletin. ENGINE. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
MDH0203212015-07-16. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. THIS TSB CONTAINS AN OWNER NOTIFICATION LETTER. SEE DOCUMENT SEARCH BUTTON FOR OWNERS LETTER. FIAT CHRYSLER 2011-2012 RAM TRUCK CAB CHASSIS (3500 SERIES), (4500/5500 SERIES). THE COOLANT HOSE BUNDLES FOR THE DEF AND ALL HOSE CLAMPS RELATED MUST BE REPLACED. *LJ
SB-18-013-132013-06-27. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ENGINE. DODGE: BULLETIN PROVIDING INFORMATION ON THE SELECTIVE ERASING AND REPROGRAMMING OF ENGINE CONTROL MODULE (ECM) WITH NEW SOFTWARE. MODELS 2011 RAM CAB CHASSIS. *PE
18-013-122012-05-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. CHRSYLER: FLASH: DIAGNOSTIC AND SYSTEM IMPROVEMENTS. THIS BULLETIN INVOLVES SELECTIVELY ERASING AND REPROGRAMMING THE ENGINE CONTROL MODULE (ECM) WITH THE NEW SOFTWARE. *JS
18-012-122012-05-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. CHRYSLER: THIS BULLETIN INVOLVES SELECTIVELY ERASING AND REPROGRAMMING THE ENGINE CONTROL MODULE (ECM) WITH NEW SOFTWARE. *JS UPDATED 5/20/13. *PE

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