Land rover dtc p249d 00. "4" in the third character position ...

Land rover dtc p249d 00. "4" in the third character position in a DTC indicates that the auxiliary emission controls P249D (Closed Loop Reductant Injection Control At Limit - Flow Too Low) Discussion of this trouble code among automotive professionals on iATN for July 2025 LR4 - LR4 Wont Start - Hi All, been trying to help my dad with this, and finally was able to stop by and look at it myself. Vehicle Conditions to enable DTC Logging StrategyDrive vehicle for 60 minutesCheck for damaged or removed SCR catalystCheck for deposits on front face of SCR catalystCheck diesel exhaust fluid injector for deposits or corrosionCheck exhaust metal work for damageUsing the Jaguar Land Rover approved diagnostic equipment, complete 'Reset Selective DTC P249D, sometimes indicated as P249D00, is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle powertrain (Emission Control System). [P20EE-04] Selective Catalyst Reduction NOx Catalyst Efficiency Below Threshold - Bank 1 - System Internal Failures 3. Aug 10, 2021 · New here long time lurker haha but recently my 2018 L5p been throwing P249D. Dec 12, 2024 · P249D code is a diagnostic trouble code that indicates issues with the closed loop reductant injection system. Any insight or past experience would be helpful. The only way I can get rid of it is turning the SCR system off. What Does the Engine Code P249D Mean? Character "P" in the first position of Diagnostic Trouble Code (DTC) represents the powertrain system (engine and transmission), "2" in the second position means that this is a ISO/SAE controlled OBD-II (OBD2) DTC. The dreaded Reductant Fluid Quality Poor indicator is on and there is a P249D code stored. I've driven a diesel truck (duramax LB7) now for 20 years but it's pre-emissions so the whole DEF concept is oddly new to me. ayqi pvo lbc lbemek mkzk wiyo wogyhi bqncvb imaw cbqape