RAM
18-014-26
Manufacturer communications
- Publication date
- 2026-02-03
- Received by NHTSA
- 2026-02-12
- NHTSA record numbers
- 11028765
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):
• **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. B18 FSAR-TSB-6872 -2-
• P020E-00 - Cylinder
• **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. B18 FSAR-TSB-6872 -2-
• P020E-00 - Cylinder
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Ram
P0087-00Fuel Rail Pressure Too LowRam
P0100-00Mass Or Volume Air Flow Sensor "A" CircuitRam
P020A-00Cylinder 1 Injection TimingRam
P020B-00Cylinder 2 Injection TimingRam
P020C-00Cylinder 3 Injection TimingRam
P020D-00Cylinder 4 Injection TimingRam
P0263-00Cylinder 1 Contribution-BalanceRam
P0266-00Cylinder 2 Contribution-BalanceRam
P0269-00Cylinder 3 Contribution-BalanceRam
P026B-00Injection Timing PerformanceRam
P0272-00Cylinder 4 Contribution-BalanceRam
P0275-00Cylinder 5 Contribution-BalanceRam
P0278-00Cylinder 6 Contribution/BalanceRam
P0423-00Heated Catalyst Efficiency Below Threshold Bank 1Ram
P20EE-00SCR Nox Catalyst Efficiency Below Threshold - Bank 1 Catalyst 1Ram
P214D-00SCR NOX Catalyst Outlet Temperature Too High During Particulate Filter RegenerationRam
P226C-00Turbocharger Boost Control "A" Slow ResponseRam
P2281-00Air Leak Between MAF And Throttle BodyRam
P229F-00NOX Sensor Circuit Range/performance - Bank 1Ram
P242B-00Exhaust Gas Temperature Sensor Circuit Performance - Bank 1 Sensor 3Check vehicle applicability
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Ram | 3500 | 2025 |