RAM
18-010-26 REV.A
Manufacturer communications
- Publication date
- 2026-03-03
- Received by NHTSA
- 2026-03-13
- NHTSA record numbers
- 11030012
Manufacturer summary
Original wording in English
Flash: Powertrain Control Module (PCM) Updates V2D 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):
• **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.
• P229F-00 - NOX Sensor Circuit Range/Performance - Bank 1.
• P2281-00 - Air Leak Between MAF And Throttle Body.**
• 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.
• 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. T18 FSAR-TSB-6966 -2-
• P0072-00 - Ambient Air Temperature Sensor Circuit "A" Low.
• P0087-00 - Fuel Rail Pressure Too Low.
• P2543-00 - Low Pressure Fuel System Sen
• **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.
• P229F-00 - NOX Sensor Circuit Range/Performance - Bank 1.
• P2281-00 - Air Leak Between MAF And Throttle Body.**
• 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.
• 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. T18 FSAR-TSB-6966 -2-
• P0072-00 - Ambient Air Temperature Sensor Circuit "A" Low.
• P0087-00 - Fuel Rail Pressure Too Low.
• P2543-00 - Low Pressure Fuel System Sen
Reported code forms
Manufacturer wording
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
Ram
P0072-00Ambient Air Temperature Sensor Circuit "A" LowRam
P0087-00Fuel Rail Pressure Too LowRam
P020A-00Cylinder 1 Injection TimingRam
P020B-00Cylinder 2 Injection TimingRam
P020C-00Cylinder 3 Injection TimingRam
P020D-00Cylinder 4 Injection TimingRam
P020E-00Cylinder 5 Injection TimingRam
P020F-00Cylinder 6 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
P040B-00EGR Temperature Sensor 1 Circuit PerformanceRam
P0506-00Idle Control System RPM - Lower Than ExpectedRam
P06B9-00Cylinder 1 Glow Plug Circuit PerformanceRam
P06BA-00Cylinder 2 Glow Plug Circuit PerformanceRam
P06BB-00Cylinder 3 Glow Plug Circuit PerformanceCheck vehicle applicability
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