NHTSA service bulletin

NHTSA Service Bulletin 11031678: 2025 Ram 2500

Official manufacturer communication context for 2025 Ram 2500, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.

NHTSA service bulletin 11031678 summary graphic for 2025 Ram 2500
11031678NHTSA document ID
Manufacturer communicationcommunication type
2affected product rows
90/100quality score

Reviewed June 2026 from NHTSA manufacturer communication and service bulletin records. Carchieve is independent and not affiliated with any vehicle manufacturer or government agency.

Quick answer

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): **P0088-00 - Fuel Rail Pressure Too High - Bank 1.** P20CF-00 - Exhaust After treatment Fuel Injector "A" Stuck Open. P20DB-00 - Exhaust After treatment Fuel Supply Control Stuck Open. U0109-00 - Lost Communication With Fuel Pump Control Module. P1451-00 - Diesel Particulate Filter System Performance. P2463-00 - Diesel Particulate Filter Restriction - Soot Accumulation Bank 1. P2459-00 - Diesel Particulate Filter Regeneration Too Frequent. P0087-00 - Fuel Rail Pressure Too Low. P2540-00 - Low Pressure Fuel System Sensor Circuit Range/performance. P2543-00 - Low Pressure Fuel System Sensor Circuit Intermittent. P214D-00 - SCR NOX Catalyst Outlet Temperature Too High During Particulate Filter Regeneration. P242B-00 - Exhaust Gas Temperature Sensor Circuit Performance - Bank 1 Sensor 3. P24DA-00 - Particulate Matter Sensor Exhaust Sample Error Bank 1. P20EE-00 - SCR Nox Catalyst Efficiency Below Threshold - Bank 1 Catalyst 1. P226C-00 - Turbocharger Boost Control "A" Slow Response. P2281-00 - Air Leak Between MAF And Throttle Body. P229F-00 - NOX Sensor Circuit Range/performance - Bank 1. P0100-00 - Mass Or Volume Air Flow Sensor "A" Circuit. P203F-00 - Reductant Level Too Low. P0423-00 - Heated Catalyst Efficiency Below Threshold Bank 1. P0263-00 - Cylinder 1 Contribution-Balance. P0266-00 - Cylinder 2 Contribution-Balance. P0269-00 - Cylinder 3 Contribution-Balance. P0272-00 - Cylinder 4 Contribution-Balance. P0275-00 - Cylinder 5 Contribution-Balance. P0278-00 - Cylinder 6 Contribution/Balance. P026B-00 - Injection Timing Performance. P020A-00 - Cylinder 1 Injection Timing. P020B-00 - Cylinder 2 Injection Timing. P020C-00 - Cylinder 3 Injection Timing. P020D-00 - Cylinder 4 Injection Timing. P020E-00 - Cylinder 5 Injection Timing. P020F-00 - Cylinder 6 Injection Timing. P06B9-00 - Cylinder 1 Glow Plug Circuit Performance. P06BA-00 - Cylinder 2 Glow Plug Circuit Performance. P06BB-00 - Cylinder 3 Glow Plug Circuit Performance. P06BC-00 - Cylinder 4 Glow Plug Circuit Performance. P06BD-00 - Cylinder 5 Glow Plug Circuit Performance. P06BE-00 - Cylinder 6 Glow Plug Circuit Performance. Customers may also comment on one or more of the following: Long engine crank times, particularly after fuel filter change. Inverter drops out when shifting from P to D gears. Diesel Exhaust Fluid (DEF) level gauge slow to update after a refill. Poor cold start performance. Cruise control drops out/cancels on its own. Engine stumble, runs rough, or a slight lack of power. The following software enhancements are also available: Reduce the occurrence of false faults Diagnostic Trouble Codes (DTCs) P0300-00, **P0088-00** and P0315-00. Improved troubleshooting and repair accuracy for air handling components through APT test in wiTECH. DTC P1451-00 re-tune to reduce false faults. Improvements to allow DTC P2509-00 faults to be cleared with wiTECH. Adaptive Cruise Control (ACC) software fix to prevent cruise control dropouts. Engine stumble fix for improved drivability. Engine stall detection allowing DTC P032F-00 to clear after a power cycle. Allow multiple PROXI rewrites. Enable cold re-prime (DTC P208B-00 improvement) This bulletin involves inspecting and possibly reprogramming the Engine Control Module (ECM/PCM) with the latest available software

What this bulletin may mean before buying

Treat this as service research, not a verdict on one car. Before you buy, compare this communication with official recall campaigns, model-level owner complaint patterns, and the exact vehicle’s VIN-decoded specifications. A bulletin can help you ask a seller or dealer sharper questions about software updates, known repairs, warranty extensions and service history.

Affected products listed in this communication

MakeModelModel yearsBuyer note
Ram25002025Ask for service records and run the exact VIN before purchase.
Ram35002025Ask for service records and run the exact VIN before purchase.

Buyer checklist

  1. Run the 17-character VIN and confirm the year, make, model, engine and equipment match the listing.
  2. Check recall campaign pages for safety actions that may require dealer repair.
  3. Compare this bulletin with common problem pages for the same model and component area.
  4. Ask the seller or dealer whether the bulletin procedure, update or inspection has already been completed.
  5. Use the used-car buying checklist and get an independent inspection.

Frequently asked questions

What is NHTSA service bulletin 11031678?

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs): **P0088-00 - Fuel Rail Pressure Too High - Bank 1.** P20CF-00 - Exhaust After treatment Fuel Injector "A" Stuck Open. P20DB-00 - Exhaust After treatment Fuel Supply Control Stuck Open. U0109-00 - Lost.

Is a service bulletin the same as a recall?

No. A recall is a safety campaign with a required remedy for affected VINs. A service bulletin or manufacturer communication usually describes diagnostic, repair, software, warranty or service information.

How should a used-car buyer use this bulletin?

Use it as a research signal. Compare it with recalls, owner complaints, service records, a VIN report and an independent inspection before buying.

Check the exact VIN before you buy

Model-level pages show public safety patterns. A full VIN report helps confirm the exact vehicle, decoded specs, recall applicability and buyer checks.

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