RAM

18-021-25 REV. B

2025-10-08 · NHTSA 11024298

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제조사 요약

영어 원문

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): ● 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: ● **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: ● **Improved troubleshooting and repair accuracy for air handling components through APT test in WiTECH. ** ● Reduce the occurrence of false faults Diagnostic Trouble Codes (DTCs) P0300-00 and P0315-00. ● 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

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