Malfunction Indicator Lamp (MIL) Illumination. NOx Sensor Diagnostic Trouble Codes (DTCs) Diagnosis Information.
full bulletin at NHTSA ↗2014 RAM 2500 lighting problems
moderate 3 complaints filed with NHTSA · avg repair $250 · see lighting across all vehicles →
When does it fail?
Of the 3 lighting complaints filed for the 2014 RAM 2500, here's the actual mileage breakdown — failures cluster heaviest at 25,000-50,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
No new NHTSA lighting complaint has been filed on this vehicle in over 3 years — the issue may be aging out of the active population.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering lighting on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
Diesel Injector Freezing This bulletin involves installing a insulator over the Diesel Exhaust Fluid (DEF) injector. Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Upon further investigation the technician may find that one or more of the following Diagnostic Trouble Codes (DTCs) have been set: P218F - Reductant No Flow Detected. P202E - (Diesel Exhaust Fluid) Reductant Injector Performance. The customer will not notice any drivability issues associated with these DTCs. These DTCs may set when the vehicles is parked for a long time and the ambient temperatures are below -11 °C (12 °F).
full bulletin at NHTSA ↗Molding Assy ?Frt door day light opening Rt/Lt: Return You have been identified as either having stock, or have stock in transit to your dealership. Please return all suspect stock of following part numbers: 57010364AI, 57010365AI, 57010504AJ, 57010505AJ, 68224368AB, 68224369AB. Please return suspect parts back to your facing depot using Return Code 02, before 17 April, 2017.
full bulletin at NHTSA ↗Inspect and Return: Lamp Assy - Tail Light Rt/L You have been identified as either having stock, or have stock in transit to your dealership. Please return suspect stock of following part numbers: 68110016AC, 68110016AD, 68110016AE, 68110017AD, 68236104AC, 68236105AB. See attachments for identifying suspect stock. Please return suspect parts back to your facing depot using Return Code 02, before 31 August, 2016.
full bulletin at NHTSA ↗Flash: Powertrain Diagnostic And System Enhancements This bulletin involves reprogramming the Powertrain Control Module (PCM) with the latest available software. The following powertrain system improvements/enhancements are included in this software release. These enhancements are listed by vehicle application. DS vehicles equipped with a 3.6L engine (Sales Code ERB). U0140 - Lost Communication With Body Control Module (attempting to clear this DTC will be unsuccessful). ASD Relay Enhancements To Improve Fuel Pump Relay Initialization At Key On - (Auto Shutdown). Enhanced Automatic Oil Change Indicator (EAOCI) system improvements to switch to a severe duty cycle algorithm anytime the PCM is
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 1 most recent
The contact owns a 2014 Ram 2500. The contact stated that the windows needed to be scraped from the inside. The driver was unable to see the roadway. The brake light became inoperable. The vehicle was taken to the local dealer where it was diagnosed that the brake light housing needed to be replaced. There was water entering the brake light housing. The vehicle was not repaired. The manufacturer…
Common questions
How serious is the lighting problem on the 2014 RAM 2500?
It's a documented issue but not catastrophic. 3 complaints have been filed. Repairs average $250 and most owners catch it before it causes a breakdown.
At what mileage does the lighting typically fail?
Based on the 3 complaints filed, lighting issues most often appear around 35,000 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $250 for lighting repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to lighting?
No active recalls currently cover lighting issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.