Malfunction Indicator Lamp (MIL) Illumination. NOx Sensor Diagnostic Trouble Codes (DTCs) Diagnosis Information.
full bulletin at NHTSA ↗2015 RAM 3500 lighting problems
moderate Owners of the 2015 RAM 3500 have filed 3 NHTSA complaints about the lighting at roughly $250 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation. See lighting across all vehicles →
When does it fail?
Of the 3 lighting complaints filed for the 2015 RAM 3500, here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 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 7 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.
Flash: Powertrain Control Module (PCM) Updates This bulletin involves reprogramming the PCM with the latest available software. There will be a choice between two calibrations. One for vehicles that utilize an ammonia sensor and one for vehicles that have hadthe ammonia sensor removed. Be sure to select the correct software based on vehicle configuration.Customers may experience a Malfunction Indicator Lamp (MIL) illumination. Uponfurther investigation the technician may find that one or more of the following DTCs have been set: P064F - Unauthorized Software/Calibration Detected. P202E - (Diesel Exhaust Fluid) Reductant Injector Performance. P24A5 - EGR Cooler Bypass Bank 1 Control Stuck. U0
full bulletin at NHTSA ↗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 a technician may find one or more of thefollowing DTCs have been set: P064F - Unauthorized Software/Calibration Detected. P202E - (Diesel Exhaust Fluid) Reductant Injector Performance. P24A5 - EGR Cooler Bypass Bank 1 Control Stuck. P1C55 - NOx Sensor Intermittent ? Bank 1 Sensor 1. P0301 - Cylinder 1 Misfire. P0302 - Cylinder 2 Misfire. P0303 - Cylinder 3 Misfire. P0304 - Cylinder 4 Misfire. P0305 - Cylinder 5 Mis
full bulletin at NHTSA ↗Cummins 6.7L Turbocharger Actuator - X99 Warranty Extension This bulletin involves replacing the turbocharger 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.
full bulletin at NHTSA ↗Cummins 6.7L Turbocharger Actuator - X99 Warranty Extension This bulletin involves replacing the turbocharger 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.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 1 most recent
Tl* the contact owns a 2015 Ram 3500. The contact stated that the headlights kept going out several times. The contact replaced all of the bulbs, specifically the low beam headlights, but the failure recurred several times. The contact stated that the high beam headlights operated normally. The dealer (classic Chrysler Dodge Jeep Ram, 1102 walton dr, texarkana, tx 75503, (903) 716-0600)…
Common questions
How serious is the lighting problem on the 2015 RAM 3500?
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 26,000 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.