RAM

18-025-26 REV. B

Manufacturer communications

Publication date: 2026-07-09
Received by NHTSA: 2026-07-18
NHTSA record numbers: 11035053

Manufacturer summary

Original wording in English

Flash: Powertrain Control Module (PCM) Updates Customers must experience a Malfunction Indicator Lamp (MIL) illumination and the vehicle must SYMPTOM: exhibit/set one or more of the following Diagnostic Trouble Codes (DTCs):
• P0088-00 - Fuel Rail Pressure Too High - Bank 1.
• P208B-00 - Reductant Pump 1 Control Performance.
• P2540-00 - Low Pressure Fuel System Sensor Circuit Range/Performance.
• P0506-00 - Idle Control System RPM - Lower Than Expected.
• P20CF-00 - Exhaust Aftertreatment Fuel Injector "A" Stuck Open.
• P20DB-00 - Exhaust Aftertreatment Fuel Supply Control Stuck Open.
• P040B-00 - EGR Temperature Sensor 1 Circuit Performance.
• 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.
• P1191-00 - Inlet Air Temperature Sensor Rational/Performance.
• P242F-00 - Diesel Particulate Filter Restriction - Ash Accumulation.
• P229F-00 - NOX Sensor Circuit Range/Performance - Bank 1.
• P2281-00 - Air Leak Between MAF And Throttle Body.
• 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 - 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.
• P06B9-00 - Cylinder 1 Glow Plug Circuit Performance. This bulletin involves inspecting and possibly reprogramming the PCM with the latest available software.

NHTSA manufacturer communications ↗