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Service bulletins for the 2018 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.

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

By type

By component

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Only bulletins with component: Automatic transmission are shown. Show all

Bulletins, newest first
S18080001522023-04-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). CEL (Check Engine Lamp) Illuminates, Recent PCM Replace or Flash Update Performed, Diagnostic Trouble Codes (DTCs) P057B Brake Pedal Position Sensor Circuit Performance, P1572 Brake Pedal Stuck, C0042-54 Brake Pedal Missing Calibration
18080222022-12-19. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM):SOFTWARE; ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM); ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE); BACK OVER PREVENTION; POWER TRAIN; FUEL SYSTEM, GASOLINE; SERVICE BRAKES, HYDRAULIC; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE; EXTERIOR LIGHTING. Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the Engine Control Module/Powertrain ControlModule (ECM/PCM) with the latest available software. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or moreof the following DTCs have been set: P064F - Unauthorized Software/Calibration Detected. P2706 - MS Solenoid Circuit(68RFE Only). P0868 - Line Pressure Low. P229F - Aftertreatment NOxSensor Circuit Performance - Bank 1 Sensor 2. P207F - Reductant Quality Performance. P2509 - PCM/PCM Power Input Signal Intermittent. P0401 - EGR System Performance. P0870 - OD Hydraulic Pressure Test. P040B - Exhaust Gas Recirculation Temperature Sensor "A" Circuit Performance. P2201 - Aftertreatment NOx Sensor Circuit Performance - Bank 1 Sensor 1. P1C54 - SCR NOx Catalyst Missing. P249E - Closed Loop SCR Reductant Injection Control At Limit - Flow Too High. P0128 - Thermostat Rationality. P24C7 - Particulate Matter Sensor Temperature Circuit Performance. Customers may also comment on the following: Engine misfire in cold ambient temperatures. In addition, the following software enhancements are also available: Scan tool fan actuation test fix. Enabling diagnostics forDTC P208B- Reductant Pump 1 Control Performance. Unable to turn on the ability to set ?MAX? road speed using wiTECH scan tool. Mass Air Flow (MAF) sensor Out Of Range (OOR) low calibration. Improved 5-4 shift (reduce shift flare) after extended operation in 5th or 6th gear. Engine Manifold Pressure Misfire Monitor (EMP MFM) retune(68RFE Only). Idle based misfire retune. Abort timer for Selective Catalytic Reduction (SCR) out NOx sensor missingchange to 70 seconds. Map SCR missingFault/DTC P1C54to tampering inducement. Particulate Matter (PM) sensor false fault improvement. CC inner loop used up faults. Ultrasonic Flow Meter (UFM) test results fix. Engine run state idle unstable software fix.
S1918000003RevA2022-10-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. Revision A: Intermittent Engine Buck, Surge, or Misfire.
21-049-172022-08-08. Service bulletin. POWER TRAIN; POWER TRAIN:AUTOMATIC TRANSMISSION:FLUID/LUBRICANT; EXTERIOR LIGHTING. Incorrect Transmission Oil Level Indicator This bulletin involves inspecting and replacing the transmission oil level indicator (dipstick) if needed. During a new vehicle preparation, the technician may notice the transmission fluid level is low.
S1625000007 Rev.2021-03-15. Service bulletin. EXTERIOR LIGHTING; EQUIPMENT; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Malfunction Indicator Lamp (MIL) Illumination. Diagnostic Trouble Code (DTC) P207F ? Reductant Quality Performance Set.
68211004A2018-11-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. Shifter - Automatic Trans Before this part is replaced for any issue please call John Grzecki on cell (248) 379- 0969. If you do not receive a return call within 15 minutes, proceed with the repair. Please be sure to accurately record any DTCs identified with the scan tool and document them on the repair order.

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