{"nhtsa_id":11028764,"type":"service_bulletin","type_name":"Service bulletin","date_added":"2026-02-12","date":"2026-02-02","document_id":"18-013-26","mfr_campaign":null,"replaces":null,"component":"ELECTRICAL SYSTEM; ENGINE","mfr_system":null,"summary":"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.** ● 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. ● P0072 - 00 Ambient Air Temperature Sensor Circuit \"A\" Low. ● 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. ● P0100 - 00 Mass Or Volume Air Flow Sensor \"A\" Circuit. B18 FSAR-TSB-6871 -2- ● P203F - 00 Reductant Level Too Low. ● P0423 - 00 Heated Catalyst Efficiency Below Threshold Bank 1. ● P20EE - 00 SCR NOX Catalyst Efficiency Belo","document":{"url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028764-0001.pdf","alternate_url":"https://static.nhtsa.gov/odi/tsbs/2026/MC-11028764-9999.pdf","confirmed":false},"url":"https://open.wenmarpro.com/bulletins/11028764","components":[{"id":"electrical","name":"Electrical system","parent":null},{"id":"engine","name":"Engine","parent":null}],"codes":["P0072","P0087","P0100","P020A","P020B","P020C","P020D","P020E","P020F","P0263","P0266","P0269","P026B","P0272","P0275","P0278","P0423","P06B9","P06BA","P06BB","P06BC","P06BD","P06BE","P1451","P203F","P20CF","P20DB","P20EE","P2459","P2463","P2540","P2543","U0109"],"topics":[],"vehicles":[{"make":"RAM","model":"2500","year_from":2025,"year_to":2025,"match":"exact","vehicle_ids":["2025_ram_2500"]}],"as_of":"2026-10-19","note":"A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.","attribution":[]}