P20c9

I am working on a 2014 Isuzu npr w/ a 317 cid engine. The "red" exhaust light is on with a tc P20C9 present. Can not hear or feel DEF pump running with key on or with vehicle running. Fluid level is full. As far as i can tell all fuses are ok. There is voltage at connector for DEF pump. Should pump run w/ KOEO. Should pump run all the time w ...

P20c9. Sep 2, 2023 · Summing it up, code U0073 is a diagnostic trouble code (DTC) which means the transmission has lost communication with the engine control module (ECM). It can be due to various issues, including wiring problems, bad connectors, or a failed ECM . You can take several steps to fix this issue: checking the connections between the transmission and ...

The ECM sets DTC P20C9 when the DEF control module sets type A or type B DTC. Clear the DTC (s) in the DEF control module first, then clear the DTC (s) in the ECM. 3. Turn OFF the ignition until scan tool communication is interrupted. 4. Turn ON the ignition, with the engine OFF.

2016 Hyundai i800 2.5 Euro 6. Fault Codes –. P20C9, P2BAE and U02A3. Service –. DPF assessment, DPF Fix and DPF Clean. Result –. Customer complain Engine light on and Adblue message on dash. Customer had been referred to us by another garage. Our initial assessment showed up a few fault codes 2 in the ECU module and 1 in the SCR module. P20C9 just informs that there is a DEF Control Module request to turn the light on. P2214 is for the NOx sensor. When that usually returns after the reset was done, the DEF injector is clogged, there is bad DEF causing low quality, a bad MAF sensor can cause this or a dirty one, or the EGTs are getting high. P1490 is for DEF Trap efficiency low. Lexus Rx 300 P20C9 OBD-II Diagnostic Powertrain (P) Trouble Code Information Page. Reason for Lexus Rx 300 P20C9 and find the solution for the code Lexus Rx 300 P20C9 , we'll give to how to fix Lexus Rx 300 P20C9 trouble code problem.U300D. U300E. U300F. U3010. U3011. OBDII/EOBD diagnostic code definition. More than 18000 codes for all autos. Trouble codes description for VOLKSWAGEN.2011 isuzu nrr with 5.2 l diesel was running fine and then engine light came on, brought it back to shop and scanned it. codes were p20c9, p0642, p2218, i drove it and has engine power lost, and engin … read morewill automatically set DTC P20C9. This is a normal condition. 2. If the Number 1 NOx Sensor is determined to have an internal failure, download Health Report. 3. Replace the Number 1 NOx Sensor. 4. Check the current calibration part numbers using the Isuzu Diagnostic ServiceMedium Duty. Hino. 2016 Diesel COE 195, 195h Series with J05E engine. 2017 Diesel COE 195, 195h Series with J05E engine. 2018 Diesel COE 195, 195h Series with J05E engine. 2019 Diesel COE 195, 195h Series with J05E engine. 2012 Hybrid COE 155, 155h series with J05E engine. 2012 Hybrid COE 195, 195h Series with J05E engine.

P20c9 Isuzu Beschreibung Erforderliches Reduktionsmittel-Steuermodul MIL-Beleuchtung ist die generische Beschreibung für den P20c9-Isuzu-Code, der Hersteller hat jedoch möglicherweise eine andere Beschreibung. Momentan haben wir keine weiteren Informationen zu dem P20c9 Isuzu OBDII-Code.P20C9 ISUZU – Reductant Control Module Requested MIL Illumination . P20C9 ISUZU Possible Symptoms . Engine Light ON (or Service Engine Soon Warning …22 ene 2021 ... Hyundai #i800 U029E P20C9 P2BAE Reductant Control Module Requested #Adblue FIXED!! We fixed this MPV by resetting all the sensors on the ...Switched Option 2: Set the parking brake with engine running and transmission in Park or Neutral Position Press the DPF button Continue idling for approximately 20 minutes until theWe are getting code p20c9 - but only p20c9 which is a generic code for “reductant control module request MIL illumination.” Dealer plugged into IDSS and only that code showed up. Any ideas? Faulty module?I have a 2012 Isuzu NPRHD, 5.2 diesel that is in limp mode and shows DTC's of P20C9 and P2048. I have an IDSS so I can reset the DTC's but they come back after a few miles driving. read moreTechnician: Mike Mcmillan. The initial learn is leaving the key on for 30 seconds before starting. Then the unit must have the diff pressure sensor learn performed and depending on the year a soot reset as well. Please let me know if you have any follow up questions on this issue.Once you're a qualified MEDCO member, register your MEDCO Online Warehouse account by clicking the Register button below and following the instructions.

P20C9 Powertrain - Fuel and Air Metering and Auxiliary Emission Controls - ISO/SAE Controlled Description Reductant Control Module Requested MIL Illumination Try a forced regen to see if it will complete without problems and the fault resolves. If not check for a plugged DPF or other DPF system or exhaust problems.Cost of diagnosing the P20C9 ISUZU code. The cost of diagnosing the P20C9 ISUZU code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.OBDII/EOBD diagnostics trouble codes definition. If your car supports OBD II or EOBD, then you can already use almost 5000 generic OBDII codes. These codes are from PowerTrain series (P0XXX, P2XXX, P34XX), Body Series (B0XXX), Chassis series (C0XXX), Network series (U0XXX, U2XXX, U3XXX). Also there is a list of more than 13500 additional ...P20C9 Reductant Control Module Requested MIL Illumination; P2BAE:00 P2BAE00 ... P20C9 Additivsteuergerat; P229F NOx-Sensor 2 Bank 1; P220F00 NOx-Sensorheizung ...Here is a good order of operations for diagnosing and repairing the P2563 and P003A codes: Pull the vane sensor and clean it along with the wiring ( requires this special removal tool) Pull the turbocharger and clean the internal components like the unison ring. Run scan tests and VGT Learn tests to determine what is at fault.Currently we have no further information abouth the P20c9 OBDII code. 12 Feb, 2020. (0) Comments. By nondaobd2codes. OBD2 Codes, Powertrain (P) Codes. Code P20C9 stands for Reductant Control Module Requested MIL Illumination. Read the article to know possible causes, symptoms, and descriptions.

Magic valley cinema 13 movies.

Repair Information for P20C9 Isuzu code. Learn what Reductant Control Module Requested MIL Illumination means, location and how to repair? Find a Shop | …Isuzu Npr P20c9 Code Updated Information 2022 : Isuzu Npr Code P20C9. 2. Application Go Live Email Sample : 25 Product Launch Announcement Email Examples From Real Brands : We are writing to inform you that we go live today with our new database and. 3.P0122 Throttle/Pedal Position Sensor/Switch ‘A’ Circuit Low Input. P0123 Throttle/Pedal Position Sensor/Switch ‘A’ Circuit High Input. P0125 Insufficient Coolant Temperature for Closed Loop Fuel Control. P0128 Coolant Thermostat Coolant Temperature Below Thermostat Regulating Temperature.Code P242D Tech Notes. After starting the engine, the exhaust gas temperature sensor temperature should rise steadily, then stabilize after the engine reaches operating temperature. Exhaust gas temperature sensors may fail intermittently while operating under extreme temperatures. Review the Freeze Frame/Failure Records to verify the failure ...Vocational, Technical or Tra... 5,816 satisfied customers. Have a 2017 Isuzu NRR, changed the glow plug module and now. Have a 2017 Isuzu NRR, changed the glow plug module and now have these codes: P26962, U0106, P2463, P0420, P20C9 AND P225E, can … read more.

The DEF system is designed to convert harmful NOx gases to Nitrogen, Carbon Dioxide, and water to protect the environment. When the PCM or ECM detects voltage or resistance that is below normal programmed parameters within the reductant purge control valve circuit, code P20A2 will be set and the check engine light will be illuminated. A mechanic: • Engine starting concerns • DTCs P1093, P0087, P1087, P0088, P1088 and/or P1259 CAUSE One possible cause for this condition may be intermittent operation of the Suction Control Valve (SCV)/Fuel Rail4 feb 2019 ... Date – January 17th 2019 Accredited Member – The DPF Doctor @Ewan Lawson Motors Location – Falkirk, Stirlingshire Vehicle – Nissan Qashqai ...2011 isuzu nqr engine light on as well as power down, dpf filter indicator on dash indicates no regen needed. i have been having the red exhuast light in center come on immidiatly wen start up code was p20c9 diesel exhaust fluid control module requested illumination, i removed old module and replaced with new ( the one that goes inside def tank) now the lights went out on there own test drove ...I also got the P20C9 red exhaust light on my 2016 NQR today . I also have the derate down power symbol the regen symbol and the check engine light . Codes were P0172 and P0401 . I was able to clear the last 2 codes ( maybe I shouldn't have) . My P20C9 is "permanent" .Code P242D Tech Notes. After starting the engine, the exhaust gas temperature sensor temperature should rise steadily, then stabilize after the engine reaches operating temperature. Exhaust gas temperature sensors may fail intermittently while operating under extreme temperatures. Review the Freeze Frame/Failure Records to verify the failure ...(01-25-2022, 10:35 PM) Nekst1 Wrote: test and report please i delete the dtcs and deleted egr and dpf i think this is the best way becaue some dtc for dpf unplug the egr i wait for report pass in pm Not Work this make ecudecoder i tested old time.Mar 16, 2019 · The P20C9 is for scr lamp request. If you do not have any other faults then yes, This unit will need to have the DSR)def system reset). Then a regen will need to be performed in order to monitor all the scr values to make sure there is no other issues. This is the listing of P20xx OBD-II diagnostic trouble codes (DTCs). They all start with P20 (e.g. P2000, P2004, etc.), the first two characters P2 designate that they are generic powertrain related codes. The codes below are considered generic because they apply to all makes/models of OBD-II vehicles, although specific diagnosis & repair steps ...

Ok got some more info, changed out scanners, active codes p20c9 and p22a1. Inactive codes p1034, p1036, p2201, p1464. Looks like nox sensors, the active code is for sensor 2 bank 2. I believe since its a def system there is just one bank at this point. I was thinking of changing out sensor 2, what do you think.

Description : P20C9 ISUZU Reductant Control Module Requested MIL Illumination. Possible causes : - Faulty Reductant Control Module. - Reductant Control Module harness is open or shorted. - Reductant Control Module circuit poor electrical connection. Solutions : - Carry out a Reset via CarDiag. - Choose a better quality fuel.$45.00 bonus if accepted answer by 2 pm sunday.2011 Isuzu nqr has red exhaust light on, check engine light, and engine is at reduced power and will not regenerate. codes are p20c9 / p0087 (rail pressu …P20C9 engine trouble code is about Ignition Coil A Primary/Secondary Circuit Malfunction. Injector Circuit Malfunction - Cylinders and Cold Start Injector 1 ...Conoce el código P20C9 en Isuzu: averigua su significado, las causas, los síntomas y cómo repararlo. Todo lo que necesitas saber en un solo lugar.2016 isuzu nrr the red light EXH SYS is on and the DPF light is flashing when i put the scanner it give me code p20c9 p0102 p0113 p0027 even the red light will come on right away by turning the ignition on the truck has only 12000 mile. Show More. Show Less. Ask Your Own Medium and Heavy Trucks Question.OBD2 Diagnostic Trouble Code P20C9 means that Reductant Control Module Requested MIL Illumination has been detected. Carly Universal Scanner iOS and Android enabledP20C9 Nissan Reductant Control Module Requested MIL Illumination Nissan Vehicle: Nissan 370Z,Nissan Altima,Nissan Armada,Nissan Frontier,Nissan GT-R,Nissan Juke,Nissan Maxima,Nissan Murano,Nissan Pathfinder,Nissan Quest,Nissan Rogue,Nissan Sentra,Nissan Titan,Nissan Versa,Nissan Xterra,Toyota Fxs P20C9 OBD-II Diagnostic Powertrain (P) Trouble Code Information Page. Reason for Toyota Fxs P20C9 and find the solution for the code Toyota Fxs P20C9 , we'll give to how to fix Toyota Fxs P20C9 trouble code problem.What are the Possible Causes of the DTC U010E? NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other causes. Faulty Reductant Control Module. Reductant Control Module harness is open or shorted. Reductant Control Module circuit poor electrical connection.2011 isuzu nqr engine light on as well as power down, dpf filter indicator on dash indicates no regen needed. i have been having the red exhuast light in center come on immidiatly wen start up code was p20c9 diesel exhaust fluid control module requested illumination, i removed old module and replaced with new ( the one that goes inside def tank) now the lights went out on there own test drove ...

Raj jewels new jersey.

Elberton way house plan.

P20C9 OBD Code Definition: Reductant Control Module Requested MIL Illumination P20C9 OBD Code Description: English Deutsch Français Nederlands Italiano Español Português Polski ...Address: RM.501 5F No.8 Weishi Alley, Longteng Industrial Park, Gangbei, Ailian, Longgang District, Shenzhen China 518172. Mob/Whatsapp: +86-8613242057399I have a 2014 NPR loss of communication with DEF module code…. DTC U2202 Lost Communication with Diesel Exhaust Fluid (DEF) Control Module Circuit Description The MIMAMORI ECU and the diesel exhaust fluid (DEF) control module communicate information via the 500 kbps transmission speed ISO-CAN communication bus.Variable geometry Duramax turbo and vane diagram | Image Source: Richard McCuistian What Does the P2563 Code Mean? The diagnostic trouble code (DTC) P2563 stands for “Turbocharger Boost Control Position Sensor Circuit Range/Performance.”. Also called the “turbocharger vane position sensor,” the turbocharger boost control …Your F fault code is defined as a fuel system over pressure relief valve activated. P000F possible causes to look for: Fuel pressure regulator failure. Fuel pump failure. Powertrain Control Module (PCM) failure. Restriction in the fuel system. Wiring issue. Fuel injector failure. Fuel pressure regulator failure.2014 ISUZU NPR-HD CODES U2105, U2106 U2203. Hard codes in the MIMAMORI ecu. Truck is in limp mode limited to 10 km/hr. - Answered by a verified Technician$45.00 bonus if accepted answer by 2 pm sunday.2011 Isuzu nqr has red exhaust light on, check engine light, and engine is at reduced power and will not regenerate. codes are p20c9 / p0087 (rail pressu … read moreAFFECTED VEHICLES. • 2011-2019MY Isuzu N-Series Vehicles Produced prior to May 28, 2018. Equipped with 5.2L (4HK1) Diesel Engines. INFORMATION. Some customers may experience issues with oil dripping from the air cleaner or an oil soaked filter element, along with illuminated Check Engine (CEL) and Check Air Filter warning lamps.Jeep Cherokee P20C9 code can be about replacing a broken oxygen sensor can eventually lead to a busted catalytic convertor which can cost upwards of $2,000. Taking your car into a shop will cost you around $200 depending on the car.Toyota Fxs P20C9 OBD-II Diagnostic Powertrain (P) Trouble Code Information Page. Reason for Toyota Fxs P20C9 and find the solution for the code Toyota Fxs P20C9 , we'll give to how to fix Toyota Fxs P20C9 trouble code problem. ….

Trouble codes description for VOLVO. If your car supports OBD II or EOBD, then you can already use almost 5000 generic OBDII codes. These codes are from PowerTrain series (P0XXX, P2XXX, P34XX), Body Series (B0XXX), Chassis series (C0XXX), Network series (U0XXX, U2XXX, U3XXX). Also there is a list of more than 13500 additional manufacturer ...The ECM sets DTC P20C9 when the DEF control module sets type A or type B DTC. Clear the DTC (s) in the DEF control module first, then clear the DTC (s) in the ECM. 3. Turn OFF the ignition until scan tool communication is interrupted. 4. Turn ON the ignition, with the engine OFF.P20C9 Volvo Reductant Control Module Requested MIL Illumination. Volvo Vehicle:Volvo C70,Volvo S40,Volvo XC90,Volvo XC70,Volvo XC60,Volvo V70,Volvo V50,Volvo V40,Volvo S90,Volvo S80,Volvo S60. Categories Uncategorized Post navigation. Previous Previous post: P20C7 Volvo Reductant Heater D Control Circuit Low.Labor: 1.0. To diagnose the P20E9 code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.P20C9 Renault Reductant Control Module Requested MIL Illumination. Renault Vehicle:Renault Megane,Renault Clio,Renault Kangoo,Renault Laguna Coupe,Renault Master,Renault Twingo,Renault Twizy,Renault Symbol,Renault Koleos. Categories Uncategorized Post navigation.I have a 2012 Isuzu NPRHD, 5.2 diesel that is in limp mode and shows DTC's of P20C9 and P2048. I have an IDSS so I can reset the DTC's but they come back after a few miles driving. read moreEz a P20xx OBD-II diagnosztikai hibakódok (DTC) listája. Ezek mindegyike P20-vel kezdődik (pl. P2000, P2004, stb.). Az első két P2-karakter azt jelzi, hogy általános átvitellel kapcsolatos kódok. Az alábbi kódok általánosnak tekintendők, mivel az OBD-II járművek összes márkájára / modelljére vonatkoznak, bár az egyes ...The contents of this forum are for experimental & educational purposes only. As such, it is not acceptable whatsoever to publish any software that is bound by any legal restriction.What does OBD-II fault code P20C9 mean? OBD-II Code Diagnostic Trouble Code is defined as a Reductant Control Module Requested MIL Illumination Diesel Exhaust Fluid (DEF) is used to assist in converting leftover exhaust particles to harmless gases. P20c9, Find a local auto repair shop in your area. We help you find a repair shop you can trust and ensure you never pay more than you should | AutoCodes.com, P20C9 - WHAT IS IT AND WHAT DOES IT DO. 0 votes . 3.5k views. asked Jan 21, 2018 by anonymous. diesel exhaust fluid tank was contaminated with diesel fuel code p20c9 is a hard code. it refers to the reluctant control module. what is the reluctant control module, what does it operate? what is needed to repair this code., The P20C9 fault code in automobiles indicates a problem with the Reductant Control Module, which is responsible for controlling the amount of diesel exhaust fluid injected into the exhaust system. The symptom of this fault is the illumination of the engine light or service engine soon warning light., =====Claim your FREE engine code eraser https://free.nonda.co =====nonda Auto DIY Center is the biggest auto..., The DEF system is designed to convert harmful NOx gases to Nitrogen, Carbon Dioxide, and water to protect the environment. When the PCM or ECM detects voltage or resistance that is below normal programmed parameters within the reductant purge control valve circuit, code P20A2 will be set and the check engine light will be illuminated. A mechanic: , Hello I have a 12/2011 izusu npr hd and am having some trouble with a few codes . P0045 turbo boost control solenoid circuit P2000 def system nox trap low efficiency P20c9 def control module requestin … read more, I have a 2015 nqr Isuzu truck and I have 3 codes one is p20c9 the second is p205d and the third is p204d and I have and EXH.SYSTEM and a blinking low def light on the dashboard. The truck barely doing 5mph I replaced the DEF pump ASM and it got worse can you help me out I'm in a bind here in the middle of nowhere 😩😩, OBDII/EOBD diagnostics trouble codes definition. generic OBDII codes. These codes are from PowerTrain series (P0XXX, P2XXX, P34XX), Body Series (B0XXX), Chassis series (C0XXX), Network series (U0XXX, U2XXX, U3XXX). Also there is a list of more than 13500 additional manufacturer specific codes. Supported manufacturers with specific OBD2 codes:, This error code P20C9 will be set by your vehicle's PCM, also known as powertrain control module when it detects faults with the diesel particulate filter system, also known as the DPF system., If the only code you get from other modules is the U010E, try to access to the RCM. If you can access codes from the RCM, then the U010E code is either intermittent or a memory code. If unable to access the RCM, then the U010E code that the other modules are setting is active, and the problem is there now., 2012 Isuzu NPR P244C taking to to regen. Change thermostat was 175 % now 191-192 Still to. came back this code keeps - Answered by a verified Technician, $45.00 bonus if accepted answer by 2 pm sunday.2011 Isuzu nqr has red exhaust light on, check engine light, and engine is at reduced power and will not regenerate. codes are p20c9 / p0087 (rail pressu … read more, The p20C9 code just means the DEF module has a code in it. This is an informational fault. This is an informational fault. Troubleshoot the glow plug and preheat module circuit for problems and resolve that code 1st then see if the other fault resets itself since it is an informational code only., Jun 14, 2020 · To diagnose the P20C9 Isuzu code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour. , What Does the P20C9 Isuzu Code Mean? Reductant Control Module Requested MIL Illumination is the generic description for the P20C9 Isuzu code, but the manufacturer may have a different description for your model and year vehicle. Currently, we have no further information abouth the P20C9 Isuzu OBDII code. Still have questions?, What does OBD-II fault code P20C9 mean? OBD-II Code Diagnostic Trouble Code is defined as a Reductant Control Module Requested MIL Illumination Diesel Exhaust Fluid (DEF) is used to assist in converting leftover exhaust particles to harmless gases., Pre-installed fans at the front provide massive airflow, and the PWM function can easily reach the balance between cooling and silence. The included 1 to 4 fan splitter cable …, this vehicle will not go over 5 mph, code in the ecm is P20C9. What is this code and does it relate to the symptom? VIN: JALC4W169B7003074 Country: JAPAN Vehicle Type: Truck Year: 2011 Make: Isuzu Model: NPR Engine Type: L4, 5.2L; Turbo-Intercooler Assy. Plant Fujisawa, Japan Production Seq. Number: 003074 , P20C9 Lincoln Reductant Control Module Requested MIL Illumination. Lincoln Vehicle:Lincoln Mark LT,Lincoln MKS,Lincoln MKX,Lincoln MKZ,Lincoln Navigator,Lincoln Navigator L,Lincoln Town Car,Lincoln Zephyr, Categories Uncategorized Post navigation., Transcript from service center: Exhaust gas NOx sensor: Fault code P204F adblue system performance.. Adblue injector is spraying funny, rear nox sensor is failing. Usually after these repairs, vehicle will need nox catalyst. We will need to completely drain adblue tank and fill with OEM fluid. IF FAULT RETURNS NEXT STEP IS NOX CATALYST., Pre-installed fans at the front provide massive airflow, and the PWM function can easily reach the balance between cooling and silence. The included 1 to 4 fan splitter cable makes cable management easy. , Hyundai i800 U029E P20C9 P2BAE Reductant Control Module Requested Adblue FIXED!!We fixed this MPV by resetting all the sensors on the Adblue tank and re-init..., will automatically set DTC P20C9. This is a normal condition. 2. If the Number 1 NOx Sensor is determined to have an internal failure, download Health Report. 3. Replace the Number 1 NOx Sensor. 4. Check the current calibration part numbers using the Isuzu Diagnostic Service, 2011 Isuzu NPR 3.0 codes P20C9, DEF control module request mill, P2048 DEF injector control circuit volts low, , P2201NOX sensor circuit performance sensor 1. Runs and drives fine, red exhaust light comes on even fluid light on dash def full, when i put on IDDS computer reads full, updated software, code dose not clear., Jun 14, 2020 · To diagnose the P20C9 Isuzu code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour. , The P20C9 is for scr lamp request. If you do not have any other faults then yes, This unit will need to have the DSR)def system reset). Then a regen will need to be performed in order to monitor all the scr values to make sure there is no other issues. Please let me know if you have any other questions, I will be more than happy to help anyway ..., I have a 2015 nqr Isuzu truck and I have 3 codes one is p20c9 the second is p205d and the third is p204d and I have and EXH.SYSTEM and a blinking low def light on the dashboard. The truck barely doing … read more, P20C9 Dodge Reductant Control Module Requested MIL Illumination. Citroen Vehicle:Dodge Caravan,Dodge Caliber,Dodge Challenger,Dodge Dakota,Dodge Durango,Dodge Journey,Dodge Nitro,Dodge Ram 2500. Categories Uncategorized Post navigation. Previous Previous post: P20C8 Dodge Reductant Heater D Control Circuit High., 18 jun 2017 ... P20C9故障码,适用于所有汽车制造商,意思是还原剂控制模块请求点亮故障指示灯(MIL)(Reductant Control Module Requested MIL Illumination)。, Hello, we have a 2015 isuzu NQR 5.2L diesel engine with reduced engine power light one, exhaust sys red light, and def light blinking fast. we changed the def sensor that goes into the def tank and we cleaned the def filter. Still engine reduced power is on.codes i am getting is P203D, P20C9, and P1463., 25 sept 2014 ... ... P20C9. Other codes come on on road test. Does anyone wo ... We had the can baked and then replaced the fluid injector after we could not clear ..., I have a 2012 Isuzu NPRHD, 5.2 diesel that is in limp mode and shows DTC's of P20C9 and P2048. I have an IDSS so I can reset the DTC's but they come back after a few miles driving. read more, P20C9 Chrysler Reductant Control Module Requested MIL Illumination Chrysler Vehicle:Chrysler 200,Chrysler 300,Chrysler 300M,Chrysler Crossfire,Chrysler PT Cruiser,Chrysler Town & Country,Chrysler Voyager