Reductant control module - The U040F fault code is related to the Reductant Control Module in a vehicle. This fault code is set when a receiving device detects invalid data from the Reductant Control Module. The Controller Area Network (CAN) is a vehicle bus standard that interconnects automotive devices without a host computer.

 
This code indicates the reductant control module (DEF module) has requested the malfunction light be turned on. This is mostly an informational code. Indicating there is another code present. You will need to connect a scan tool and check for other DEF related codes to determine the type of issue that is causing this.. Candace owens vaccination

In these vehicles, after such a fault is detected as absent, DEF system reactivation, including DEF injection, may not occur until the ignition key is cycled. Dealers are to reprogram the reductant control module. Refer to K115 Reductant Control Module: Programming and Setup in SI.DEF INJECTOR DOSING MODULE 11-19. $ 285.33. Buy in monthly payments with Affirm on orders over $50. 0 in stock (remainder available 3 to 7 days) Add to cart. SKU: AL3Z5J281B. 6.6L diesel, emission reduction system. Emission reduction level. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Emission reduction system, 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors The DEF is stored in a tank where it’s kept warm by a reductant heater. If the powertrain control module notices that the DEF heater isn’t operating as it should, on-board diagnostics will log a P20BD code.If you’re experiencing the P20EA fault code, your engine light may be on. This could be due to a faulty Reductant Control Module Power Relay, an open or shorted harness, or a …The fix involves reprogramming the K115 Reductant Control Module with the most recent, correct calibration. One gallon of diesel exhaust fluid may be needed for addition to the tank in some cases.You're hungry, you eat. You're thirsty, you drink. The drive reduction theory has an equation that explains these behaviors. But, what about the rest? Why are people motivated to d...The P20B9 fault code in automobiles can be caused by a faulty Reductant Heater, an open or shorted Reductant Heater harness, poor electrical connection in the Reductant …The Reductant Control Module (RCM) is usually located directly on the Exhaust Fluid or DEF tank. It receives input from a variety of sensors, some of which are directly connected to it, and most are transmitted over a bus communication system from the powertrain control module (PCM). These inputs allow the module to control when the …A transmission control module is a mechanism that regulates a vehicle’s automatic transmission by processing electrical signals. Sensors electronically send information to the tran... Verify the control module, data link connector and programming tool connections are secure and the tool software is up to date. Ignition » On / Vehicle » In Service Mode; Access SPS and follow the on-screen instructions for the control module:K115 Reductant Control Module. Verify the control module programming is successful. If the ... Sep 29, 2021 · This code indicates the reductant control module (DEF module) has requested the malfunction light be turned on. This is mostly an informational code. Indicating there is another code present. You will need to connect a scan tool and check for other DEF related codes to determine the type of issue that is causing this. The Senate vote was passed along partisan lines with a narrow margin of 51 to 50. Here is what you need to know about inflation reduction act of 2022. On Sunday, August 8, 2022, th...Although the new Manchin-Schumer Inflation Reduction Act won't actually lower inflation, it could still save you money in other ways. By clicking "TRY IT", I agree to receive newsl...Verified Module Software or Calibration Level: Module Is Programmed with Same Level Software or Calibration 0.2 ZFAT N/A 9105961* Reductant Control Module Reprogramming with SPS 0.3 Important: * To avoid warranty transaction rejections, carefully read and follow the instructions below:• U1009 Reductant Control Module CAN Bus 3 Off • U1345 Engine Control Module LIN Bus 1 • U1600 Lost Communication with Transmission Control Module on Engine Control Module LIN Bus 1 • U1609 Lost Communication with … Run the engine at fast idle (1000 RPM) for 1 minute. 1.3.3. With the engine still running, recheck battery voltage: Voltage should rise to 13.5-14.5V rapidly. If the voltage is less than 13V: Run then engine for an additional minute and recheck, as the batteries may have been deeply discharged. Engine 1 FAULT P20E800: Reductant Pressure Too Low (AC) Reductant Control Module 3 FAULTS U101100 : Supply voltage – Voltage too low P21CA00 : …In this case, it may very well include the Reductant Control module since that module is very much emissions-related. When you see this kind of message, it's probably worthwhile to check what faults show up in generic OBD-II mode. Check Modes 3, 7, and 10: Ross-Tech: VCDS Tour - Generic OBD-II Screen. -Uwe-.The reductant control module varies the duty-cycle of the pump voltage to maintain reductant pressure within a calibrated range. Leak Test After replacing the DEF pump and confirming that the system is unable to build pressure, inspect for any leaks, loose connections or kinks in the supply line.i was a tech at gm. 100 percent of the failures i seen was the burned/melted connector at pump. they ran too many amps through the connector. if you just unplug the connector on the side of the frame it will reset the reductant control module which is ontop the def tank, and get rid of warning messages. i did have luck just unplugging connector at pump and bending the pins to put tension on ...Isuzu NPR 5.2 Limp mode. Problem and Fix. Hope this helps. ~ SCV Overhaul kit (2007-2010): https://amzn.to/3R1xL24~ Pigtail Harness: https://amzn.to/3ckivhK~...Upon startup "sometimes" DIC displays emissions issue going into limp mode in 146 miles or so and changes to 46,869 miles with a few seconds then disappears, this display is coupled with the engine light being on. Codes are P20BB and P20BF. Reductant heater B and A control circuit low. Engine light might go off hours later or at a startup or ...The module communicates with the engine control module via serial data. K20 Engine Control Module. The control module controls a series of actuators to ensure optimal engine performance. The control module does this by reading values from a variety of sensors, interprets the data and adjusts the engine actuators accordingly.OEM GM Reductant Control Module For 2020-2023 GM. MSRP: $178.96. Discount: $67.11 (37.5% off) Sale Price: $111.85. OR. Make sure this part fits your Car. Add to Cart. Manufacturer Warranty Minimum of 12 Months. Guaranteed Fitment Always the …Reductant Control Module . 84631875 . GM. Module. Level & temp module. Silverado, sierra. 6.6L diesel, emission reduction system, 2017-19. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors. MSRP $346.81 . $218.45 . Add to Cart.My 2012 Mercedes Sprinter 3500 van is throwing a U010E code (lost communication with reductant control module). I need to figure out where that module is, and how to trace the wires back to see why it's lost comms. I have been working on the rig, replaced the fuel/air/oil filters, so something must have come lose.Jul 28, 2021 ... Engine Control Module (ECU) Circuits Working Explanation. Course ... 2017 Audi A4 Ad Blue fault - P21CA Reductant control module supply voltage.• P202C ­ Reductant Tank Heater Control Circuit High. • P203B ­ Reductant Level Sensor 1 Circuit Performance. DIAGNOSIS: Using a Scan Tool (wiTECH) with the appropriate Diagnostic Procedures available in ... Clear all DTCs that may have been set in any module due to reprogramming. The wiTECH application will automatically present all DTCs ...The module communicates with the engine control module via serial data. K20 Engine Control Module. The control module controls a series of actuators to ensure optimal engine performance. The control module does this by reading values from a variety of sensors, interprets the data and adjusts the engine actuators accordingly.Reductant Temperature: Sensor, Electrical Failure Temperature - Check wiring: harness CBR-2015 P21CA-00 Reductant Control Module: Supply Voltage Check ACM Power Supply CBR-2040 Tags p2042-01 p20a3-00 p208d-00 p10ae-00 def pump def tank def lter p21ca-00 p204b-64 p10af-00 p204c-00 p20a2-00 p208c-00 p208a-13 p10ce-97 p20a1-07Verified Module Software or Calibration Level: Module Is Programmed with Same Level Software or Calibration 0.2 ZFAT N/A 9105961* Reductant Control Module Reprogramming with SPS 0.3 Important: * To avoid warranty transaction rejections, carefully read and follow the instructions below:Fluid Supply Pump Module, and Emission Reduction Fluid Controller), and the Warm Up NOx Catalytic Converter. The NOx Reduction System removes the NOx (Nitrogen ... If the NOx Catalyst Reductant-Load Adaptive Value is below 0.41 or above 1.99, code P249D or P249E will set. Page 2 November, 2020 Bulletin No.: 17-NA-393 Parts InformationThe reductant control module (RCM) is responsible for monitoring the exhaust gases and controlling the emission of nitrogen oxides (NOx) in diesel vehicles. The RCM typically relies on a urea injection system to reduce the amount of NOx released into the atmosphere. The RCM also controls and monitors the function of the urea injection system ...SKU: 84631875. Other Names: Control Unit. Description: Level & temp module. Silverado, sierra. 6.6L diesel, emission reduction system, 2017-19. This GM Genuine Part is …Sep 9, 2022 · I have now replaced the UREA PUMP/LEVEL UNIT and still have the same issue. The DEF gauge shows it is empty, but I know there is DEF in the tank. Using a OBDLink M+ is see there is about 1/10th of a tank. I am now getting U11C1-REDUCTANT CONTROL MODULE RECEIVED IMPLAUSIBLE DATA FROM ECM/PCM as well. If you have a power seat, you know there are various features to help the driver and passenger to achieve comfort and positions. Under some circumstances, memory chips will program... 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. In order to burn off those particles, the temperature of the exhaust system needs to increase. the injection of DEF Fluid into the ... If Volvo uses Reductant Quality as DEF quality, then I would be looking at the DEF through a refractometer and testing with hydrocarbon test strips. ... The two NOx Sensor and Module assemblies are not interchangeable. The NOx Sensor Modules are smart devices and communicate with the Powertrain Control Module (PCM) over the J1939 Data Link. …SKU: 85514348. Other Names: Controller. Description: 6.6L diesel, emission reduction system. Emission reduction level. Silverado, Sierra 2500 HD. Silverado, Sierra 3500 HD. Emission reduction system, 3.0L diesel. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors.Surgery to reshape the nose is a very common plastic surgery procedure and it can both increase or decrease the size of nose. Try our Symptom Checker Got any other symptoms? Try ou...Verify the control module, data link connector and programming tool connections are secure and the tool software is up to date. Ignition » On / Vehicle » In Service Mode; Access SPS and follow the on-screen instructions for the control module:K115 Reductant Control Module. Verify the control module programming is successful. If the ...The P208B code stands for “Reductant Pump Control Range/Performance,” which means the powertrain control module (PCM) has detected issues with the …The reductant quality sensor includes an integrated temperature sensor to measure reductant fluid temperature. The reductant quality sensor is located in the reductant tank and uses an ultrasonic signal to measure reductant fluid quality. The reductant quality sensor communicates with the reductant control module using serial …I got this engine management fault code P202A, which means "Reductant Tank Heater Control Circuit / Open". So there is a problem with with the heater for AdB...1. Update the K115 Reductant Control Module with the latest calibration. 2. Make sure that the level in the DEF tank reads at least 35% in GDS2. For LM2, this % value is found in the Exhaust After-treatment Data. If not, add one gallon of Diesel Exhaust Fluid to the tank. Take note of initial level shown and after 1 gal refill84631875 | Reductant Control Module. MSRP: $333.35. Discount: $121.99 (36.6% off) Sale Price: $211.36. OR. Make sure this part fits your Car. Add to Cart. Manufacturer Warranty Minimum of 12 Months. Guaranteed Fitment Always the correct parts.The P208A code refers to the reductant pump control circuit or O. The reductant pump assembly contains various components such as a pressure sensor, a purge valve, and an internal heating element. The Powertrain Control Module (PCM) regulates the system pressure by controlling the pump speed using pulse width modulation.Reductant Control Module - GM (85514348) Genuine OEM GM Parts & Accessories - 85514348. MSRP: $178.96. Discount: $67.11 (37.5% off) Sale Price: $111.85. Make sure this part fits your Car. Add to Cart. Manufacturer Warranty Minimum of 12 Months. Guaranteed Fitment Always the correct parts.The Powertrain Control Module (PCM) regulates the system pressure by controlling the pump speed using pulse width modulation. When the PCM requests reductant injection, …The reductant control module varies the duty-cycle of the pump voltage to maintain reductant pressure within a calibrated range. Leak Test After replacing the DEF pump and confirming that the system is unable to build pressure, inspect for any leaks, loose connections or kinks in the supply line.Refer to K115 Reductant Control Module: Programming and Setup in the Service Manual in SI. Note: The screenshots above are an example of module programming and may not …The diagnostic trouble code (DTC) P20BA stands for “Reductant Heater “A” Control Circuit Performance.”. The power control module PCM logs this code when it detects a potential issue with the control circuit of a diesel engine’s reductant heater. The P20BA code can stem from the failure of certain parts like the reductant heater ...Ford DTC U040F. This DTC sets when the PCM detects an invalid message from the reductant pump control module. The presence of this DTC may indicate the vehicle is operating in derate mode and may experience a loss of power. After repair, the vehicle may still display a system warning message. Drive the vehicle until the system warning …The automobile fault code P20EA can be caused by a faulty Reductant Control Module Power Relay. It can also be caused by an open or shorted Reductant Control Module Power Relay harness. Additionally, a poor electrical connection in the Reductant Control Module Power Relay circuit can also trigger this fault code.Fluid Supply Pump Module, and Emission Reduction Fluid Controller), and the Warm Up NOx Catalytic Converter. The NOx Reduction System removes the NOx (Nitrogen ... If the NOx Catalyst Reductant-Load Adaptive Value is below 0.41 or above 1.99, code P249D or P249E will set. Page 2 November, 2020 Bulletin No.: 17-NA-393 Parts InformationHi Adblue fault on dash attached auto scan adblue faults P204D U02A2 i suspect adblue pump module would anyone have a wiring diagram for adbue pump is the reductant control module built into the adblue pump thanks Wednesday,15,November,2023,15:30:44:35746 VCDS -- Windows Based VAG/VAS Emulator... Verify the control module, data link connector and programming tool connections are secure and the tool software is up to date. Ignition » On / Vehicle » In Service Mode; Access SPS and follow the on-screen instructions for the control module:K115 Reductant Control Module. Verify the control module programming is successful. If the ... The Reductant Control Module can determine if the control circuit is open, shorted to ground, or shorted to a voltage by monitoring the feedback voltage. The Diagnostic Trouble Code (DTC) will be set when the Reductant Control Module supply voltage is less than a calibrated value for greater than 5 s.The Apollo Command and Service Modules - The Apollo Command and service modules housed the astronauts and the spacecraft's fuel system. Learn about the command and service modules....Some technicians may one or more of the following DTCs set in the Engine Control Module (ECM): P20C1 - Reductant Heater 3 Control Circuit; P21DD - Reductant Tank Heater 1 Low Current; P221C - Reductant Tank Heater 2 High Current; P10D9 - Reductant Heater 1 Control Circuit Shorted; P10F3 - Reductant Heater 2 Control …We cater to all module needs, covering most car manufacturers from around the world. Click below to see the complete list of car manufacturers we support for both your module repairs, and remanufacturing needs. AES Modules. Your Control Module headquarters for all ISUZU repair needs. Rebuilt module services available for all models.From what I have gathered the Reductant Control Module (RCM) is typically located directly on the DEF tank. The truck appears to be deleted so should not …Apr 7, 2020 ... Description. A Controller Area Network (CAN) is a vehicle bus standard designed to interconnect automotive devices without a host computer.I doubt that the reductant control module needs to be "programmed" to the car. Probably a matter of doing the reductant test (a Basic Setting), but that's clearly not going to happen with right now with "No communications".-Uwe- Reactions: JMR Feb 11, 2022 #3 . JMR Professional User. Professional VCDS User. Joined Sep 27, 2021 …TXEMTP39 Discussion starter. 140 posts · Joined 2014. #1 · Jul 20, 2014. U040F implausible data from reductant control module. P1E1C reductant Wake up system circuit high. That's what the dodge dealer told me. But they don't have a diesel mechanic til Tuesday so they can't tell me anything else. 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. In order to burn off those particles, the temperature of the exhaust system needs to increase. the injection of DEF Fluid into the ... The Inflation Reduction Act will likely have broad economic impact. Here are the financial market winners and losers. By clicking "TRY IT", I agree to receive newsletters and promo...To investigate and repair the issue, the team advised that the following checks be carried out. Suspicious of the voltage supply fault codes in the Reductant control module, the customer was advised to check this live data for the reductant control module voltages. This showed that one of the terminal 30 voltages was low (Fig.1).• P249C – Excessive Time To Enter Closed Loop Reductant Injection Control ... 10 Select Engine Control Module (EMS). W2115479 11 Select Program to update the ECM with the latest software. W2115480. Mack Trucks Date Group No. Release Page Field Service Bulletin 3.2018 284 065 01 6(7)OEM GM Reductant Control Module For 2020-2023 GM. MSRP: $178.96. Discount: $67.11 (37.5% off) Sale Price: $111.85. OR. Make sure this part fits your Car. Add to Cart. Manufacturer Warranty Minimum of 12 Months. Guaranteed Fitment Always the correct parts.All 2016 F-650 and F-750 vehicles built before 1-Apr-2016 requiring replacement of the reductant pump control module also requires replacement of the 14407 wiring harness which is included with the …The module communicates with the engine control module via serial data. K20 Engine Control Module. The control module controls a series of actuators to ensure optimal engine performance. The control module does this by reading values from a variety of sensors, interprets the data and adjusts the engine actuators accordingly.Jun 13, 2022 · According to the repair information I have, this code stands for "Reductant Pump A Control Range/Performance", and it indicates you're likely dealing with a problem with the pump or its control module. When the code is set, the SCR system will shut down until the next key cycle. In any case, it shouldn't take a shop long to fix the problem if ... Reductant Control Module circuit poor electrical connection ⚠ Check if your Car have Safety Recalls. Description. Devices connected to the Powertrain High-Speed General Motor Local Area Network (GMLAN) serial data circuits monitor for serial data communications during normal vehicle operation. Operating information and …Lost Communication With Reductant Control Module Like the ECM's intermittent comms issue to the reductant module, the right rear door module intermittently drops out as well. These could be power or comms connectivity issues to these modules. At the time of your July scan, the right rear door module was communicating just fine.Level & temp module. Silverado, sierra. 6.6L diesel, emission reduction system, 2017-19. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors ... Reductant Control Module - GM (84631875) MSRP: $346.81; Discount: $124.41 (35.9% off) Sale Price: $222.40; Make sure this part fits your …The P20BA indicates that the Control Module has detected a malfunction in the reductant heater A control circuit performance. Symptoms of P20BA Code. A check engine light is the primary indication of a P20BA code. However, there may be other signs that indicate a problem with the reductant heater. You may notice that the car is not performing ...The P208A code refers to the reductant pump control circuit or O. The reductant pump assembly contains various components such as a pressure sensor, a purge valve, and an internal heating element. The Powertrain Control Module (PCM) regulates the system pressure by controlling the pump speed using pulse width modulation.I got this engine management fault code P202A, which means "Reductant Tank Heater Control Circuit / Open". So there is a problem with with the heater for AdB...SAP Ariba is a leading procurement solution that helps businesses manage their entire source-to-pay process. With a wide range of modules, SAP Ariba offers a comprehensive suite of...Labor: 1.0. 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.Kubota Tractor M6-131DTC-1, HYDRAULIC SYSTEM Original Equipment Manufacturer Parts at Kubota Tractor. J13500 Hydraulic Pump [Component Parts] J16000 Regulater Valve. J16500 Regulater Valve [Component Parts] J21000 Hydraulic Oil Line (Suction) J22000 Hydraulic Oil Line (Delivery) J23300 Front Loader Pipe. J23500 Hydraulic Oil …Oct 28, 2020 · Truck Discussion starter. 323 posts · Joined 2009. #1 · Oct 28, 2020. I just bought a 2016 Ram 2500 and it is showing a Code U010E. I show U010E is lost Communication With Reductant Control Module. Anybody know how to fix it? From what I have gathered the Reductant Control Module (RCM) is typically located directly on the DEF tank. Jan 14, 2022 ... 2011 - 2016 Ford Diesel. This truck came into the shop after Having a DEF Tank Heater replaced. The check engine light was still on.The Inflation Reduction Act all but ensures that climate tech for buildings is likely to emerge as one of the sectors to watch in the coming years. With a month of hindsight, we’re...

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reductant control module

Dave. Code: Address 01: Engine Labels: 059-907-401-V2.clb. Control Module Part Number: 4G0 907 589 F HW: 4G0 907 589 B. Component and/or Version: 3.0BTD EDC17 H23 0008. Software Coding: 122A4032253603030000. Work Shop Code: WSC 43869 002 1048576. ASAM Dataset: EV_ECM30BTD0114G0907589F 001008 …When it comes to industrial machinery, noise reduction is a crucial factor to consider. Excessive noise can not only be annoying for workers but also pose serious health risks and ...Jul 28, 2021 ... Engine Control Module (ECU) Circuits Working Explanation. Course ... 2017 Audi A4 Ad Blue fault - P21CA Reductant control module supply voltage.This code is usually caused by a faulty Reductant Control Module, an open or shorted harness, or poor electrical connection in the module circuit. To fix this issue, you should check the possible causes listed above, visually inspect the wiring harness and connectors, and look for any damaged components or corroded connector pins.DTCs P20BB (Reductant Heater 1 Control Circuit Low Voltage) and P20C3 (Reductant Heater 3 Control Circuit Low Voltage Test Status) also may be set in the Engine Control Module (ECM). A new calibration for the DEF controller is available that will reduce the possibility that DTCs P20BB and P20C3 will set. Refer to Bulletin #22-NA-112.The P207F code is defined as Reductant Quality Performance. The powertrain control module triggers the P207F code when it detects that the reductant …Reductant Control Module - GM (40009451) MSRP: $180.84. Discount: $76.65 (42.4% off) Sale Price: $104.19. Add to Cart. Manufacturer Warranty Minimum of 12 Months. Guaranteed Fitment Always the correct parts. Shop with Confidence Your information is safe. In-House Experts We know our products.The P20E8 fault code indicates a problem with the Reductant Control Module. Symptoms of this fault code include the check engine light turning on, reduced engine power, poor acceleration, difficulty starting the engine, and increased fuel consumption.As reductant will freeze at temperatures below 0°C (32°F), there are 2 reductant heaters. Reductant heater 1 is in the reductant reservoir and reductant heater 2 is in the supply line to the reductant injector. The reductant control module monitors the reductant temperature sensor located within the reservoir inReductant Control Module circuit poor electrical connection ⚠ Check if your Car have Safety Recalls. Description. Devices connected to the Powertrain High-Speed General Motor Local Area Network (GMLAN) serial data circuits monitor for serial data communications during normal vehicle operation. Operating information and …Technical Service Bulletin: #21-NA-07 Release Date: 1/20/2021 Vehicles Covered Under This TSB. 2020 & 2021 Chevrolet Silverado & Silverado HD; 2020 & 2021 GMC Sierra & Sierra HD ...This is a generic communication system diagnostic trouble code that applies to most OBD-II vehicle makes and models. This code means that the Reductant Control Module (RCM) and other control modules on the vehicle are not communicating with each other. The circuit most often used to communicate with … See moreMove the engine control switch on the rear control panel to the "OFF" position. 4. Close all the coolant valves to the bus interior. Connect the coolant extractor and drain the engine coolant. ... with Reductant Quality Module • The electronic control unit (ECU) has a software fault or the wrong software version • Control unit has no supply ...reductant fluid tank (4025130 Emission Reduction Fluid Tank Replacement) or the emission reductant fluid pump (4029820 Emission Reduction Fluid Supply Pump Module Replacement) has been replaced and the system will not build pressure. Important: Only apply the additional labor time if the vehicle requires overnight soak time and re-test.Reductant Control Module . 84631875 . GM. Module. Level & temp module. Silverado, sierra. 6.6L diesel, emission reduction system, 2017-19. This GM Genuine Part is designed, engineered, and tested to rigorous standards and is backed by General Motors. MSRP $346.81 . $218.45 . Add to Cart.May 31, 2022 · 152 posts · Joined 2016. #1 · May 31, 2022. I have a 2017 2500 that was deleted. I'm moving to an emissions state, so I put the emissions system back on. Reflashed with stock ECU profile and the truck runs fantastic except that it's now throwing a U02A2 code, which I believe is Lost communication with Reductant Quality Module. The reductant pressure sensor provides a signal to the Reductant Control Module on the sensor signal circuit relative to the pressure changes in the reductant system. The ECM is connected to the Reductant Control Module via the CAN bus. The DTC will be set when the ECM detects that the reductant pressure sensor signal is open or shorted to ground.The reductant control module monitors the reductant temperature sensor located within the Emission Reduction Fluid Tank in order to determine if reductant temperature is below its freeze point. If the control module determines that the reductant may be frozen, it energizes the reductant heaters.In these vehicles, after such a fault is detected as absent, DEF system reactivation, including DEF injection, may not occur until the ignition key is cycled. Dealers are to reprogram the reductant control module. Refer to K115 Reductant Control Module: Programming and Setup in SI.May 26, 2022 · The Reductant Control Module (RCM) is usually located directly on the Exhaust Fluid or DEF tank. It receives input from a variety of sensors, some of which are directly connected to it, and most are transmitted over a bus communication system from the powertrain control module (PCM). .

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