Isuzu def control module location. Fuel Level Sensor. 2 engine With codes P160B P156A P203D. That sounds simple, kind of in the same way an engine itself sounds simple if you break it down into really basic terms. A Visual Inspection of the ECM to check for burnt, damaged or missing components. Functions of the Engine Control Module. Look at this 2010 Isuzu NQR Body Control Module for sale in Ontario. Specific tests for communications & troubleshooting procedures. with the Autel scanner I am able to get into the def system, run the DEF pump, return system, watch the NOX sensors, etc. 8 ltr. The P0670 triggers when the powertrain control module (PCM) detects a problem with the glow plug control module or its circuit. Good pressure out of FPR now. Connect IDSS to the vehicle DLC and the PC USB port (if not already connected). The next steps to take are based on what your manufacturer's instruction manual says. Store the fender in a secure location. Oct 31, 2023 · 1. The glow control system is operated when the engine coolant temperature is low, which allows easier engine starting. Unplug DEF pump harness and check for DEF inside the harness connector. Sep 6, 2022 · The P0670 code is defined as Glow Plug Control Module Circuit/Open. These def systems are trash and over time erode the exhaust system. Pre-Owned: Isuzu. 10. Most of the assembly is submerged in DEF, with only a small portion visible outside the tank. View This TSB. The position of the float arm indicates the fuel level. 1989 Isuzu Trooper S/ 4WD / 2. Reprogram the DCU with the latest software and calibration using the Isuzu Diagnostic Service System (IDSS) if the calibration part number does NOT match the calibration number listed in the table below: MY Vehicle Engine Trans Calibration # Rodeo (2WD) L4-2559cc 2. Your parts will fit and function in Isuzu NPR-HD truck. 2L New Oem - 8981628070. If you want to access the ignition module, you might need to remove the distributor cap. Removal & replacement of damaged components. DEF is 32. :/ though almost zero Nox and very little soot is a very big upside. It is now also sold in the United States, Canada, and Mexico. DEF, a solution made from urea and deionized water, is injected into the exhaust stream to reduce harmful nitrogen oxide (NOx) emissions. Mike Mcmillan. as of right now our local KW dealer says they still have over 600 on backorder. Replace the DEF tube lines and other required parts as per the following procedure. There is a black finned, plastic box with a 1"x1" round filter & cap, a 3-prong connector and 2 vacuum lines P20C9: Affordable Fix For Complex Auto Issue. This connector is located just inboard of the right. It points out that normally after the Sep 13, 2016 · Step 2: Move Onto Part 3 or Part 4. MODULE. When the reverting valve is commanded OFF, a normal DEF flow is formed and the pressurized DEF from the pump is sent to the DEF injector via the pressure line. The U0073 code is defined as a “Control module communication bus A off”. 100 percent of the failures i seen was the burned/melted connector at pump. Add To Cart. **This module may also be referred to as a def pump, delivery module, urea injection pump, diesel exhaust fluid pump, dnox supply module, or denoxtronic supply module. We have stocked a wide range of best priced Diesel Exhaust Fluid, Exhaust System, Diesel Particulate Filter, Reductant Control Module, Catalytic Converter, Oxygen Sensor, Reductant Control Module harness, ECM, Reductant System Parts and a lot more to help you out in fixing your car. View photos, details, and other Engine Control Modules (ECM) for sale on MyLittleSalesman. com Reach—Body Service Manual Body Service Manual — Revision B — Mar 2, 2023 · An ECM, or engine control module, is a computer that controls the engine. We go over the symptoms you provide to us in regards to what the vehicle is doing including Diagnostics Trouble Codes. Price. 10. 2L 2011-2023 8982608280. The ignition module is what’s used to switch the coil primary to trigger the coil’s high voltage spark. MSRP: $45. Stock # 2333, MLS # 10440087 2000 NPR Computer Brain Engine Control ECU ECM EBX Module 8972060411. When you choose OEM parts for your Isuzu NPR-HD from Isuzu Truck Parts Online, you’re choosing the same quality that you’ve relied on since day one. I have read ecm with mmcflash with no issues. 6 Litre 4 Cyl 4ZE1 Converted to Weber 32/36 Carb / 5-speed Manual (MUA5) / Warn Premium Hubs / Fancy Radio / Deluxe Intermittent Combination Wiper Switch. Save. Jun 25, 2010 · The following is from the manual: When the ignition is turned to "on", the ECM will activate the fuel pump relay and run the intank fuel pump. Only API certified DEF should be used in Ford reductant systems. Aug 12, 2018 · For Assistance Call: 800-237-7806 Visit us at: www. com offers the wholesale prices for genuine 2014 Ram 1500 parts. 2020; 2019; 2018; 2017; 2016; 2015; 2014; 2012; 2011; More Engine Control Module Service Bulletins Oct 16, 2023 · Grab an OBD-II sensor and scan the car. No other warning lights. The Def control module is what I'm having an issue with. When the ignition switch is OFF, the main relay is de-energized after a certain length of time passed. Tested. In this video we have showed where the location of adblue/scr module location. Oct 13, 2020 · Got 2012 Isuzu NRR 5. 2014 ISUZU NPR HAVE DEF LIGHT FLASHING WITH P208A, P20A0, P204D CODES THINK TRACK FOR SOME SORT OF A POWER ISSUE BUT - Answered by a verified Technician. Anyone know ? Also what is best to read files? Transdata ect. Parts like Module, DEF Heater Control Unit are shipped directly from authorized Mopar dealers and backed by the manufacturer's warranty. More Isuzu NQR Engine Control Module Service Bulletins of Other Model Years. The fuel pump will operate as long as the engine is cranking or running, and the ecm is receiving ignition reference pulses. Replaced it. It is normal for DEF to freeze at temperatures below 120F/-110C. Lee-Smith welcomes your review and increased interest in the oper item 6 8980008780 isuzu npr 5. The following DTCs will cause the system to go into Inducement Mode and trigger the “Service DEF System – See Dealer Soon” message: Sep 9, 2022 · If the actuator doesn’t send or receive any signals to and from the other control modules, the PCM will set the generic communication system code U010C. Also unplug the Turbo actuator connections and recheck. Feb 6, 2023 · The DEF (Diesel Exhaust Fluid) tank is usually located next to the diesel fuel tank on Isuzu Reach trucks. Diesel Exhaust Fluid (DEF) is used to assist in converting leftover exhaust particles to harmless gases. US $599. The first thing that the module is checked for is communication because that is key. A PCM, or powertrain control module, is a computer that controls the transmission and engine in order to optimize fuel economy and power. Our Isuzu ECU Repair includes. There's nothing under the seats but a jack. • Perform the Mimamori download when replacing the following; Be sure the information is synchronized before claim submission. 9k. An Isuzu NPR Relay Diagram is a visual representation of the electrical system in an Isuzu NPR truck. Look at this 2014 Isuzu NPR/NQR/NRR Control Module Part # 0281020269 for sale in Florida. $158. I have had a hard time trying to figure out exactly what this module is. Top Rated Plus. It's not listed in my Haynes manual. SKU: AL3Z5J281B. Description. 68193937AB. >. 2. 3. I just bought an 88' Trooper. A majority of concerns are found to be wiring and connection issues. they ran too many amps through the connector. The reductant pump also helps burn off exhaust particles since Nov 6, 2023 · Summary. 6L FI. Main Menu. The red Exh warning is on with amber DEF fluid indicator light on, also reduced engine power light on. Jan 6, 2012 · 11708 posts · Joined 2008. Item:25620322. How to Fix an Ignition Control Module Nov 10, 2020 · Diagnostic Trouble Codes (DTC) identified and reported by the Engine Control Module (ECM). 2l oem engine control module computer ecm ecu 275800-3531 8980008780 isuzu npr 5. wire to brake controller power supply wire: Figure 17. Start inhibition limits erased subsystems restored. or Best Offer. Check the appropriate repair manual or repair database for the exact code definition. Reductant Control Module Requested MIL The DEF pressure sensor is internal to the DEF supply pump and it detects DEF pressure in the backflow line between the main filter and the backflow connector. hand frame rail, beneath the ABS control module. Oct 27, 2020 · Truck Discussion starter. The P20C9 is just a code telling you that the DEF Control Module is requesting the MIL be illuminated. the injection of DEF Fluid into the Sep 14, 2015 · 2. Apr 26, 2023 · Diesel exhaust fluid (DEF) is a non-hazardous solution used within a selective catalytic reduction (SCR) system to break down harmful pollutants (NOx) generated by a diesel engine. #7 · Jan 7, 2012. 00. Remember that these are only rough estimates, and you’ll have to factor in expenses for other related repairs. If you can access codes from the RCM, then the U010E code is either intermittent or a memory code. 0 hour. Sioux Falls, SD $152. 2L AUTO 97536100 or Higher Find many great new & used options and get the best deals for 2015 Isuzu NPR 5. 4. 35. If the PCM detects an implausible signal from the Reductant Level Sensor, code P203D is set. 99 item 7 OEM DEF Diesel Exhaust Fluid Module Isuzu NPR NQR NRR 5. 0 in stock (remainder available 3 to 7 days) Add to cart. When the reverting valve is commanded Circuit Description. leave it be. MoparPartsGiant . NOTE: Before the ACM or DSI is ever replaced it should be thoroughly diagnosed. Our Repair Service Includes: External inspection of the Control Module. (970) 99. Quote. Then pull it toward the rear of the truck and lift it out around the brake lines. Fuel injection control Fuel timing control Exhaust gas recirculation (EGR) system control Preheating system control Exhaust brake control Power Isuzu 2019 DEF tank and brakes. The dosing module is responsible for injecting DEF Fluid into the exhaust system to reduce NOx emissions. Sep 16, 2022 · Your transmission control module can be uncovered in a variety of locations from under your center console, around the footwell of your vehicle, in the transmission case, or even within your gearbox. The Diesel Exhaust Fluid Control Module (DEFCM) judges the quality of DEF from its concentration level and sets DTC P2BA9 if it is out of specification. Experience: Volvo/Mack Master Tech, Certified with Cummins, Eaton, GM, Hino, Detroit Diesel. The P208E is the reason for the request. It is a black box with a white/clear connector right next to the relay panel. justanswer. 2l Def System Pump Control Module 898260 8280 at the best online prices at eBay! Free shipping for many products! A ticking/light knocking sound may be heard from the exhausting air. Found a leak in the fuel line coming to the FPR. If it’s not able to use the Def system it go into limp mode. Search our large inventory of New/Rebuilt/Used Isuzu NPR Heater & AC Temperature Controls for sale. Free shipping on many items | Browse your favorite brands | affordable prices. DEF is highly corrosive. SYMPTOM Dec 11, 2023 · OEM DEF Diesel Exhaust Fluid Module Isuzu NPR NQR NRR 5. Re-connect and test--working ! Re-adapt and "teach in" clearing all faults ! Bingo! Module comes back to life and is communicating with the ECM/PCM. The quality of Isuzu parts eliminates the compatibility and reliability problems you might encounter with generic or aftermarket parts. The DEF pressure sensor converts the pressure into a voltage signal, and sends the signal to the DEF control module. There is a 1 year unlimited warranty on this part. (See Figure 1 below for purge valve location) Check Engine Light/MIL On. DEF tank is damaged. 6L SOHC (4ZE1) (1991) > Isuzu Workshop Service and Repair Manuals > Powertrain Management | Ignition System | Ignition Control Module | Component Information | Locations | Page 1822 The transmission control module ( TCM) (5. View photos, details, and other Body / Chassis Control Modules for sale on MyLittleSalesman. It provides a detailed layout of the relays and their connections, allowing mechanics and technicians to easily understand the flow of electricity within the vehicle. The DEF injector sprays pressurized DEF in the pressure line based on the command from the DEF control module. It is not coming up in my diagnostics but after some searching it looks like the code is for the reductant injection valve being stuck closed- bank 1, unit 1, or failed reductant injection valve. The fuel level sensor consists of a float, a wire float arm, and a ceramic resistor card. Jan 7, 2012 · location of ecm on '91 trooper 2. Buy in monthly payments with Affirm on orders over $50. This sound can be confused with an engine noise when standing outside of the vehicle on the driver’s side at the back of the cab. I had a turbo actuator short out the J1939 line and cause the DEF level sensor not to read as it is on the J1939 line too. $31. The ECM mainly controls the following. Ok thanks. The DEF injector has a high side circuit and a low side circuit. Pre-Owned Isuzu. Category: Satisfied Customers: 8,219. The Red "exhaust system" warning on the dash is on, as well as flashing DEF system light and the derate/limp mode. com 1 E-mail: custsvc@utilimaster. $ 220. Any help would be great. 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. ⇒ Transmission Control Module (TCM) ⇒ Diesel Exhaust Fluid (DEF) Control Module Note: When replacing the engine or transmission, the Mimamori ECU report labor is already incorporated into the repair and the labor operation mentioned in this bulletin should not be used. NEW Bosch stock replacement Isuzu def pump module. $650. If you only need to remove the module and not the solenoid block and motor, move onto Part 4. $ 285. I have successfully done the Regen multiple times. In case you get a U0073 code you need to know what you are dealing with. SPONSORED. Not Available. Search; Truck Parts; Trucks In Yard; Movie Truck Rentals; Search Menu The glow plug control module determines the timing and electric current required by the glow plugs based on input from the Engine Control Unit; The heating element in the glow plug is electrified so it heats up and emits visible light (hence the name); Intake air is compressed; The fuel injector spray directs fuel onto the hot tip of the glow plug; diagnosis, follow the service procedure in this bulletin to reprogram the DEF Control Module. The sensor has the following circuits. BRACKET Module. The reductant pump is a component that pumps diesel exhaust fluid (DEF)into the exhaust system to reduce nitrogen oxide (NOx) emissions. Genuine Mopar Parts, the Right Choice. Seller's other items. Avoid exposure to electrical components. The diagram typically includes information about the different relays present May 27, 2020 · 1. 98231898; 8-98231-898-2; 8-98231-898-3; 8 OBD-II Code Diagnostic Trouble Code is defined as a Reductant Control Module Requested MIL Illumination. The two systems are similar, but the ECM focuses specifically on the engine while the PCM regulates both the engine and transmission. Labor costs can range anywhere between $70 and $90. It is typically found next to the ignition coil, in the distributor, or bolted towards its side. The Diesel Exhaust Fluid (DEF) Quality Sensor monitors the concentration level of the DEF. Truck is in limp mode limited to 10 km/hr. Nobody knows or has done it all. This document is for troubleshooting the Aftertreatment Control Module(ACM) and Down Stream Injection(DSI) assembly on the 2010 and 2013 emissions MaxxForce DT/9/10 engines. . utilimaster. 80. 2l oem engine control module computer ecm ecu 275800-3531 $599. When the message is present, the system is in what is commonly called Inducement Mode. 5. Get the best deals on Isuzu Commercial Truck DEF Systems when you shop the largest online selection at eBay. Note: The definition of code U010C can differ depending on the vehicle manufacturer. 5% urea, or aqueous ammonia solution, and 67. Contact seller. Check out more information on the transmission control modules below. Feb 22, 2022 · JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals. com Mar 2, 2023 · Working on an isuzu npr 2017 . getting one quickly and correctly from Order Isuzu Trooper Ignition Control Module online today. Don’t touch any of the wires to avoid Aug 9, 2019 · The Reductant Level Sensor tells the engine computer (PCM) how much DEF is left in the tank. Oct 27, 2021 · How Much Does an Ignition Control Module Replacement Cost? A replacement ignition control module can cost anywhere between $50 and $250. 2017 Isuzu Truck. The glow control system consists of the engine control module (ECM), the glow relay, glow plugs and the glow indicator lamp. They must have it confused with the engine control module (ecm), located beneath the console. Jun 7, 2019 · DEF INJECTOR DOSING MODULE 11-19. The best way to find yours is through your car’s repair manual. 6) Remove tape and route chassis side power supply. Order Isuzu NPR Transmission Control Module online today. Control Unit Turbo For Isuzu NRR NQR NPR-HD 2008-18 4HK1 5. Emission Control: By ensuring the proper functioning of the SCR system, it helps Jul 11, 2011 · 1988 Trooper Ignition Control Module Bad. - Answered by a verified Technician. The fault code we are. faults cleared. Aug 17, 2018 · Nevertheless in frame, purge lines & DEF pump with pumped hot water and clear all evidence of gelling. Feb 23, 2006 · I received a suggestion from JLEMOND, through Joe (Bigpappax2) to locate and disconnect the transmission control module. This sound from air exiting the dryer is normal and does not require repair. 3L only) is mounted near the lower left front of the engine and connects directly to the engine wiring harness. 1998 - 2002 Rodeo's use the same 4WD control unit (Part # 8-97165-958-0). In order to burn off those particles, the temperature of the exhaust system needs to increase. Posted September 15, 2015. Aug 1, 2021 · Engine And Engine Cooling:Engine:Engine Control Module (Ecu/Ecm) Summary: In an effort for continuous improvement, isuzu has a need to obtain mimamori ecu. There are sensors, etc that will throw codes indicating trouble inside the DEF tank, however P20BD definitely indicates the heater circuit embedded in the supply line. 7 L Powerstroke, Ford Powerstroke Tag: EGR Valves - EGR Coolers - DEF Components - Emissions. Enjoy our hassle-free online checkout or call to speak to an expert. The fluid level on dash and in sight gauge is full. Anybody know how to fix it? From what I have gathered the Reductant Control Module (RCM) is typically located directly on the DEF tank. Instructions for Control Module Recovery Fully close IDSS. Still more than likely the systems clogged / a pumps not working. com. 2014 ISUZU NPR-HD CODES U2105, U2106 U2203. Rea May 10, 2012 · Isuzu DEF Diesel Emission Fluid and DPF Diesel Particulate Filter Systems - NPR, NQR, NRR. 2L 4HK1-TCS 8976830031 OEM DEF Diesel Exhaust Fluid Module Isuzu NPR NQR NRR 5. The DEF Dosing Unit, also known as the Pump Assembly, is typically located at the bottom of the DEF tank. •The fuel strainer. ** CROSS REFERENCE PART NUMBERS. 1. #1 · Oct 27, 2020. The DEF injector is attached to the mixer chamber that is located between the DPF housing and the SCR catalyst housing. Any ideas on issue would be appreciated. Check out free battery charging and engine diagnostic testing while you are in store. 33. The 2003 - 2004 Rodeo's use 4WD control unit (Part # 8-97351-959-1). Isuzu engineering will be reviewing all claims for this data. •The fuel pump and reservoir assembly. Jan 13, 2014 · Product Safety Recalls Australia has issued a recall notice for more than 3,700 Isuzu F- and N-series trucks. (just FYI for any future searches on this code) jeepgrandcherokeesal. 319 posts · Joined 2009. Disconnect the IDSS interface module connector from the vehicle data link connector (DLC) [if connected]. Turn ON the ignition with the engine OFF. The cost of fixing this issue can vary depending on the auto repair shop, but it is common for most shops to charge between $75 and $150 per hour. Car would crank but would not start. No Interest if paid in full in 6 mo on $99+ with PayPal Credit*. The engine control module basically controls the intersection of the engine 's necessary ingredients to make energy -- fuel, air and spark. The ETC system also has a throttle actuator control (TAC) module that opens and closes the throttle valve. some do have seperate TCM , but why not scan the car first. The one thing that didn't seem to be normal when watching Live The DEF reverting valve is internal to the DEF supply pump and it switches the DEF flow direction based on the command from the DEF control module. It is a blue plastic tank with a white cap and often has the letters “DEF” printed on it. The high resolution is one of the most important inputs by the PCM for fuel control and timing. The diesel exhaust fluid (DEF) control Apr 12, 2018 · Medium and Heavy Trucks. When it comes to programming modules, that can be hectic. Isuzu Elf is a series of commercial trucks manufactured by the Isuzu concern, which has been produced from 1954 to the present in six generations with various modifications and types of engines. Categories: 2011-2019 6. f01. and not risk damaging a vary expensive module. The estimated repair time for this fault code is 1. 99 Truck Parts - Return to home page. Jul 14, 2019 · Hello!!!! I have an issue with a 2014 Isuzu NPR. I just bought a 2016 Ram 2500 and it is showing a Code U010E. The 1998 - 2002 4WD control module has a single 16 pin connector and a single cable. I have a 2017 Isuzu NRR with a 5. If it’s exhaust it’s more than likely the Def. Verified. I think that the module is an dcu17hd01 but unsure. If the ABS module, solenoid block, and the motor will be removed as a complete unit, move onto Part 3. The fault code P20C9 indicates an issue with the reductant heater control circuit. Dec 18, 2023 · Primary Function: The DEF sensor monitors the level, quality, and temperature of the Diesel Exhaust Fluid in the SCR system. Bone stock with the 2. 5% deionized water. 2L 4HK1-TCS 8976830031 diagnosis, follow the service procedure in this bulletin to reprogram the DEF Control Module. If any of these components come in contact with DEF, wash the area thoroughly with warm water and allow to completely dry Diesel Exhaust Fluid (DEF) also known as Reductant is a fluid comprised of highly purified and deionized water and urea. partsbravos. Problem is I don't know where the trans control module is on mine. REMOVAL (4HK1) CAUTION: Diesel Exhaust Fluid (DEF) is highly corrosive to electrical connectors and rubber used in electrical wiring. If the ignition switch is turned ON when the engine coolant Aug 30, 2023 · The P208B code is triggered when the powertrain control module (PCM) detects that a part called the reductant pump fails to function as it should. That means that the CAN bus controller has detected a problem with a cable that is used for communication between several modules. 5"long (X)6"wide (X)2"thick w/ 2 connectors multi-pinned wire bundles and its not black, rather silver plated. Caution: Although the electronic throttle body has an internal spring designed to close the throttle plate for safety, the PCM triggers the motor and F21-1028-13B1 Genuine Paccar® HVAC Climate Temperature Control Module FANTASTIC SERVICE After waiting for 7 months for KW to get a blower motor control in we ordered this one from Advanced Truck Parts and got it right away. I show U010E is lost Communication With Reductant Control Module. The fluid is sprayed and then spread into the exhaust gas via a mixer before entering the Isuzu NPR Heater A/C Temperature Controls - Used. Reprogram the DCU with the latest software and calibration using the Isuzu Diagnostic Service System (IDSS) if the calibration part number is NOT listed below: MY Vehicle Engine Trans Calibration # 201 8 N-Series 5. Replication of the concern for which the module was received. Checked for gas leaks. i did have luck just unplugging connector at pump and bending the pins to put tension on What Customers are Saying. For the P20 C9 code you want to check for possible faulty reductant control module or it could be the control module harness is open or shorted and inspect the wiring as well for any corrosion or damage. If there are no reference pulses, the ecm will shut off the fuel pump within 2 Aug 2, 2021 · I have a 2017 Isuzu NRR and we keep getting a low coolant. This test monitors the number of high resolution pulses Glow Control System Check. There are not fault codes. Apr 19, 2022 · This is a 2018 Mercedes Sprinter W907 Right Hand Wheel Drive. Stock # IZ-0487-13, MLS # 9991831 If the only code you get from other modules is the U010E, try to access to the RCM. 4% positive. Free Same Day Store Pickup. Known outside of Japan as the N-series (NQR 75, NPR 71 and many others). If unable to access the RCM, then the U010E code that the other modules are setting is active, and the problem is there now. The notice warns that the vehicles could unexpectedly move slightly if the transmission has been left in gear, and the driver doesn’t wait for the transmission control module (TCM) to initialise. Turn OFF the ignition and wait 1 minute. Hard codes in the MIMAMORI ecu. When the key is turned, the glow plug control module or PCM will turn on the glow plugsfor a set amount Dec 5, 2013 · A 2000 Rodeo has a different 4WD control unit than a 2004, the reset (memory clear) procedure is not applicable. The truck is stuck in the 5MPH or under mode. The engine control module (ECM) is located at inside of engine-side cover on the left via mounting bracket and is beside the engine. Nov 22, 2022 · i was a tech at gm. Isolation of the problem and it's relavent circuits in the module. Jul 6, 2018 · Roughly $220 shippedplus a half a day's labor for me some time next week. Common Problems That Trigger the P203D Code. Free shipping. Engine Control Module (ECM) Transmission Control Module (TCM) Diesel Exhaust Fluid (DEF) Control Module For vehicles repaired under warranty, use: Labor Operation Trouble Code Description Labor Time Oct 5, 2016 · The fuel tank module consists of the following major components: •The fuel level sensor. 0444042104; 0444042151; 0444042226; 8-98127 Nov 20, 2020 · As techs, we frequently approach jobs we've never done before. Cut the tie straps securing the DEF line to the vehicle chassis and aftertreatment assembly and remove the defective line from the vehicle. Jan 21, 2016 · The EHCU (ABS Control Module) is located in the engine bay and attached to the side of the ABS hydraulic unit: Removing it was fairly straightforward: Remove three electrical connectors and then four (4) Torx T-20 screws. OBD2 Code P0409 Isuzu definition: The optical sensor provides a high resolution signal to the Powertrain Control Module (PCM) by counting pulses on the sensor disk located in the injection pump. 50. Some diesel-powered vehicles have glow plugs. 24. At the DEF pump, disconnect the following: connection to front chassis harness, DEF quality sensor, DEF pump electrical connector, and the solenoid valve connector. The DEF control module internal main relay is energized to feed the battery voltage to the DEF control module when the DEF control module receives an ignition voltage switch ON signal. The ECM is made by Transtron. 5) Locate the chassis side power supply harness. If its under the console, then its 8. USED. If the transmission shifts the same manually, I can rule out that out and proceed to a new transmission. A problem in the wiring harness could cause he either of these codes. The Isuzu Reach is a commercial van that was first introduced in Japan in 2003. 2. A problem with the TAC module can cause on-board diagnostics to log a P1516 trouble code. This sensor is usually built into the Reductant Tank. ta kz pb xs hz ww nn eq ho tt