Ecu 1569.31

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We are using cookies to give you the best experience on our website. You can find out more about which cookies we are using or switch them off in settings.Este documento lista códigos de falha e nomes de falhas para vários componentes de um trator, incluindo a Unidade de Controle Hidráulica (HCU), Unidade de Controle da ICU, Transmissão (PTQ) e Sistema de Supervisão (SSU). São fornecidos detalhes sobre falhas relacionadas a tensão, calibração, sinais e componentes específicos como sensores e válvulas.NISM O Xterra rear bumper is the second in a series of new off-road bumpers for Nissan trucks and SUVs.. The bumper is constructed of high-tensile steel and finished with a durable, two stage textured black powder coat for an aggressive stylish look.1569.31 is a derate code preceded by your EGR code. 2791.07 means EGR valve did not reach the expected position.The ECM commands EGR into a certain position and when the egr actuator doesn`t respond or doesn`t adjust the valve to the desired position it will throw this code and derate the engine.The engine computer, also known as the ECM (Engine Control Module) or ECU (Engine Control Unit), plays a crucial role in the overall performance and functionality of a vehicle’s en...ECU PA 1569.31 Ptr PA 2820.31 Ptr PA 524021.31 ECU PA 107.15 ECU PA 157.17 Jul 1, 2020 / 5065e air restriction and now wont run. Thread Starter #6 . OP . C. country101 New member. Joined Jun 4, 2020 Messages 24 Location Arkansas Tractor John Deere 5065e. Well, to finish my conversation, I think there were several coincidences …Have a code 157.18 on my jd 319e. Mechanic's Assistant: What is the complete model and serial number of your machine? John deere 319E ***** Mechanic's Assistant: Are you fixing this yourself? What have you tried so far? Yes myself, ive changed all filters, and the rail pressure sensorJD 9770 codes ECU 412.16 & 1569.31 - Ryno: 9/20/2020 21:51. RE: JD 9770 codes ECU 412.16 & 1569.31 - Dennis SEND: 9/20/2020 22:04; RE: JD 9770 codes ECU 412.16 & 1569.31 - mschultz: 9/20/2020 23:31; RE: JD 9770 codes ECU 412.16 & 1569.31 - deeretech14: 9/21/2020 05:53. RE: JD 9770 codes ECU 412.16 & 1569.31 - …

ECU 94.18 - Cannot discover the program code onling. I believe it provides to perform the the Gas Rail Stress as properly. ECU 1569.31 - Fuel Energy Derate - Once again, I suspect this provides to perform with the Gas Rail Pressure problem above, but I dont understand what this really means.I have a 2016 John Deere 672G Motor Grader we have Low Pressure Fuel flow Issues Filters have bin replaced It will run fine for a couple hrs the it will slow down and code says ECU 94.18 says engine derated. Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix. The Heavy Equipment …We are using cookies to give you the best experience on our website. You can find out more about which cookies we are using or switch them off in settings.CA Health & Safety Code Section 1569.311. Every residential care facility for the elderly shall have one or more carbon monoxide detectors in the facility that meet the standards established in Chapter 8 (commencing with Section 13260) of Part 2 of Division 12. The department shall account for the presence of these detectors during inspections.Jul 15, 2021 · 2023.09 = ECU doesn't see EMU on bus. 1569.31 = engine in derate condition. 2228.09 = no HCU on bus. 1569.31 is caused by 2023.09 or 2228.09 and everything besides 520849.03 could be from 158.01. I wouldn't worry about any of the codes since your issue is not related to them. Try greasing all your boom and bucket pins. Thanks. Last 7 of the serial number? 641.07 is usually a turbo actuator code but this should have a wastegate turbo so it most likely is related to the exhaust throttle just down stream of the turbocharger. Ensure you can physically move the external linkage on the actuator with the key off. M.

5075e code ecu 1883.00 1347.01 1569.31, ptrpta 522456.31, Deere 5075e, has 300 hours - Answered by a verified Mechanic. ... ECU 0 /1569.31 which indicates crank sensor fault. I found the wires stripped bare by the …These codes popped up for a short time last night. 1569.31 control unit ECU overall problem 2659.17 engine and fuel control problem What is the fix?Active: ECU 1209.7, ECU 1569.31. Stored: ECU 1569.31, ECU 1209.7, ECU 2795.31, EHC 158.4, EHC 2030.9. As suggested above I went and cleared all codes and began running the machine again. Most times today while driving forward it would go straight for a bit and then quickly turn left and then return straight again. Basically just kept repeating ...Sorry I'm having website troubles today. I thank you for your patience.1569.32 indicates that the engine is in power d-rate condition. This is an informational fault code indicating that there are other fault codes that are either emissions or regulatory and after treatment system related that exist and were ignored for a period of time ...

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The codes coming up are: Ecu 1180.16 Ecu 1569.31 Ecu 2791.13 Ecu 2791.02 Ecu 2791.03 Ecu 2791.07 Thanks 7430 premium EGR problems - born2farminsk : 5/5/2016 20:14 RE: 7430 premium EGR problems - Jari : 5/5/2016 23:01(a) A residential care facility for the elderly, as defined in Section 1569.2, which fails to make reasonable efforts to safeguard resident property shall reimburse a resident for or replace stolen or lost resident property at its then current value.The facility shall be presumed to have made reasonable efforts to safeguard resident property if the facility has shown clear and convincing ...The ECU codes you are getting are all listed in the back of your owners manual as well. The first code 641.12 indicates that the engine controller has lost communication with the variable geometry turbocharger actuator. The second code is indicating that the calculated intake air temperature signal is extremely high. Lastly the 1569.31 code is ...Action. Result. Step 1: Measure the voltage across the battery terminals with the engine running. Should be greater then 13.0 volts. If not, check alternator belt then goto Step 2. Step 2: Check continuity of wire W078 to starter. Check connections at battery and wire W095 to.

ECU 94.18 - (?) Cannot find the code onling. I suspect it has to do the the Fuel Rail Pressure as well. ECU 1569.31 - Fuel Power Derate - Again, I suspect this has to do with the Fuel Rail Pressure issue above, but I don't know what this really means. Does it mean the computer has derated available HP until the issue is fixed, or that the issue ...Dec 25, 2011 · Pin #1 on the VGT actuator is wire cc#449 which is VGT Actuator Power. The wire leads to the X256 Engine controller connector which is the one on the right side if standing next to it (closest to the rear of the machine). CC#449 actually splits just before the ECU and goes to pins H4 and H3. Apr 19, 2010 · Posted 4/19/2010 17:25 (#1167572) Subject: John Deere 8330 turbo problem. Arkansas. Our 8330 is throwing the following codes: ECU 2795.07 & ECU 1569.31 Dealer has already replaced the actuator that connects to the turbo & it ran fine for a week. Started throwing the codes again today. Anybody know what could be causing this as our service ... EGR 2791.02 Fault and Engine Derate. I have a john deere 9660 combine throwing a 2791.02 egr fault. Operators manual says it is an egr valve sensor voltage mismatch. But the diagnostic manual for this machine says that the fault is that "the egr is unable to achieve its desired position" (different from what the operators manual says about a ...Posted 8/1/2015 14:31 (#4711125) Subject: anyone having turbo charger actuator problems on a john deere R series tractor? North Dakota. baling hay and got a code ECU 2795 turbo charger Actuator at fault Limiting Horsepower, tractor has 600 hrs on it and was told could be build up carbon, and told to cycle the key to get actuator to free up, did ...Thanks, Dan. Fault code 94.18 is a fuel pressure related fault code. Check for any leaks or restrictions between your fuel tank and the pump. Also replace your fuel filters and look for contamination of the fuel by dumping your old filter into a clear container. Install a clear hose or site glass to monitor for air bubbles on the suction side ...Posted 9/20/2020 21:51 (#8506914) Subject: JD 9770 codes ECU 412.16 & 1569.31. 9770 w/35 ft bean head. 412.16 Exhaust temp not within specification. 1569.31 EGR code. Had issues last year...mostly in soybean, 8 row corn head doesn't work machine as much. Noting but alarms and warnings today. We have replaced EGR valve and had tech cal new one.Sep 20, 2020 · Posted 9/20/2020 21:51 (#8506914) Subject: JD 9770 codes ECU 412.16 & 1569.31. 9770 w/35 ft bean head. 412.16 Exhaust temp not within specification. 1569.31 EGR code. Had issues last year...mostly in soybean, 8 row corn head doesn't work machine as much. Noting but alarms and warnings today. We have replaced EGR valve and had tech cal new one.

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5075e code ecu 1883.00 1347.01 1569.31, ptrpta 522456.31, Deere 5075e, has 300 hours - Answered by a verified Mechanic. ... ECU 0 /1569.31 which indicates crank sensor fault. I found the wires stripped bare by the fan belt flying apart. Reconnected and tapped up ...California Code, Health and Safety Code - HSC § 1569.312. (a) Care and supervision as defined in Section 1569.2. (b) Assistance with instrumental activities of daily living in the combinations which meet the needs of residents. (c) Helping residents gain access to appropriate supportive services, as defined, in the community.I get ECU PA CODE OF 157.01 AND 1569.31. ENGINE SLOWS DOWN ESPECIALLY WHILE USING MOWER and then dash lights come on and - Answered by a verified Mechanic. ... ECU 0 /1569.31 which indicates crank sensor fault. I found the wires stripped bare by the fan belt flying apart.Cal. HSC Code § 1569.31 - 1569.31. The regulations for a license shall prescribe standards of safety and sanitation for the physical plant and standards for basic care and supervision, personal care, and services to be provided.ThePosted 8/6/2008 22:53 (#429976) Subject: 9630T engine ECU trouble codes. Bartlett TX. ECU 1180.00 exhaust pressure sensor problem. ECU 1180.16 exhaust temp high. ECU 1569.31 fuel derate. of course all say "have dealer repair as soon as possible". anyone else having similar problems?A00 1569 31 2: Engine Control Unit (ECU) 1569: 31: 2: Engine protection – power derated due to other faults. This code occurs in conjunction with 105.16, 110.00, 110.03, 110.04, and 110.16. A00 2000 13 1: Engine Control Unit (ECU) 2000: 13: 1: Engine Control Unit security violation.For all other engine Tier/Stages, see ECU 000107.00—Air Filter Pressure Differential Extremely High in relevant diesel engine CTM. ECU 000107.15 ( ECU 107.15 )— Air Cleaner Pressure Differential Slightly High. Air filter very dirty. For diagnostic procedure, see the relevant CTM for diesel engines.

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Subject: RE: JD 9770 Combine codes. Hi. 1569.31 is a derate code preceded by your EGR code. 2791.07 means EGR valve did not reach the expected position. The ECM commands EGR into a certain position and when the egr actuator doesn't respond or doesn't adjust the valve to the desired position it will throw this code and derate the engine.This morning upon startup it gave me these 3 codes. ECU PA. 3465.02. ECU PA. 1569.31. ICC PA. 2818.31. I'm having a hard time finding these out on the internet, as always. If someone could enlighten me on the meaning of these codes I would greatly appreciate it.Posted 9/20/2020 21:51 (#8506914) Subject: JD 9770 codes ECU 412.16 & 1569.31. 9770 w/35 ft bean head. 412.16 Exhaust temp not within specification. 1569.31 EGR code. Had issues last year...mostly in soybean, 8 row corn head doesn't work machine as much. Noting but alarms and warnings today. We have replaced EGR valve and had tech cal new one.ECU-1569.31. Service Alert. Engine Power Derate Condition Exists. ECU-1347.3. Stop. High Pressure Fuel Pump Control Valve Signal Out of Range High. ECU-1347.5. Stop. High Pressure Fuel Pump Solenoid Circuit Has High Resistance. ECU-1347.7. Service Alert. High Pressure Fuel Pump Not Able to Meet Required Rail Pressure. ECU-157.3. Service AlertCA Health & Safety Code § 1569.31 (2017) The regulations for a license shall prescribe standards of safety and sanitation for the physical plant and standards for basic care and supervision, personal care, and services to be provided. The department's regulations shall allow for the development of new and innovative community programs.the fuel filter in the tank and on the tractor has been changed The oil has been recently been change too. I read the codes on the tractor and tried to clear, but came back. The ecu codes are 3719.16, 1569.31, 637.07 and 636.10. If anyone has a clue to what may be going on with it please response. Tractors has 470 hoursJD 9770 codes ECU 412.16 & 1569.31 - Ryno: 9/20/2020 21:51. RE: JD 9770 codes ECU 412.16 & 1569.31 - Dennis SEND: 9/20/2020 22:04; RE: JD 9770 codes ECU 412.16 & 1569.31 - mschultz: 9/20/2020 23:31; RE: JD 9770 codes ECU 412.16 & 1569.31 - deeretech14: 9/21/2020 05:53. RE: JD 9770 codes ECU 412.16 & 1569.31 - …ECU detecting low oil pressure. code 189.31. ECU, engine speed. code 4364.01. Unidentified. Code 5246.14. No Calibration. code 1569.31. ENGINE IN POWER DERATE CONDITION. engine. This code will only set as a result of another DTC setting. The ECU will limit the amount of engine speed in an attempt to protect the engine. code …What code is 1569 fmi31, mod.4045tf275b,c fam.5jdxl06.8041, put laptop on and read code, no - Answered by a verified MechanicCA Health & Safety Code § 1569.31 (2017) The regulations for a license shall prescribe standards of safety and sanitation for the physical plant and standards for basic care and supervision, personal care, and services to be provided. The department's regulations shall allow for the development of new and innovative community programs.Alt Tune have the ability to tune John Deere pump engines and a EGR and VGT solution applied, these can cause many fault codes such as 103.08 103.31 641.12. 1569.31. 2791.07 2791.131. J1939, J1587, & J1708- This is the system under which most fault codes operate. The first number refers to the hardware like wires, etc while the second and third numbers refer to the non-tangible communication that takes place over the J1939 system. Cummins uses the J1939 system. 2. ….

The Pump Control Unit is not receiving any ECU/CAN messages while detecting a signal on Crank Speed Out (cc# 187). (9540) A00 1077 31 1: Injection Pump initiated engine protection due to Diagnostic Trouble Code 174.31, 1076.02, 1077.12, 1078.07 or 1078.31. Engine will derate. (9540) A00 1078 07 2JD 7430 Premium. Fan belt blew. Got an engine system warning. ECU 0 /1569.31 which indicates crank sensor fault. I found the wires stripped bare by the fan belt flying apart. Reconnected and tapped up the wires but still getting 1 of 2 0 /637.08. Mechanic's Assistant: What is the complete model and serial number of your machine?I have a 2015 5045e, MFWD, 50hp with the Front end loader, 700 hours. This morning upon startup it gave me these 3 codes. ECU PA. 3465.02. ECU PA. 1569.31. ICC PA. 2818.31. I'm having a hard time finding these out on the internet, as always.Apr 2, 2024 · ECU 1569.31 EMU 523694.12 EMU 158.01 ECU 110.15 ECU 110.16 ECU 110.00 I know a couple of codes are for a VIN mismatch from where someone added on a new controller unit (sorry if I use incorrect terminology, learning). The long EMU code I know is from the aux hydraulics and I've been researching that one, which led me here. 4. Glitching Software. The ECM runs on software that tells it how to function. If this software is not calibrated, it can cause the ECM to glitch out and trigger code SPN 1569 FMI 31 as well as other faults. 5. Failed Turbocharger. The turbocharger is responsible for pressurizing the air coming into the engine.Well we got it done. Found open signal wire from crankcase pressure to ECU. 101.4 now stored. Attempt regen, would not get throught pre warm up. New active code (can't remember exact number) air throttle mismatch . Command was 99% actual position 56%. Check wires to and fro airthrottle. Ok . Found air throttle stuck. Replace with new.Apr 6, 2013 · It means your engine is derated. 1- Your pulling hard and its getting the transmission overheated.-. They you need to do a LTC (Low Temperature Circuit) bleed procedure that's in your operators manual. Your tractor does have two cooling systems, most people don't know this. 2- Depending on if you have a DE10 fuel pump. A civil penalty shall be levied if the residential care facility for the elderly has no program in place or if the facility has not shown clear and convincing evidence of its efforts to meet all of the requirements set forth in Section 1569.153. The State Department of Social Services shall issue a deficiency in the event that the manner in ... Ecu 1569.31, I have a 5100 e that last night started throwing codes and can't get JD out till next week. Ecu pr 13470.01, 94.18, 94.17, 18883.00, and a 1569.31, 4 year old JD 3025E wintered in barn. Went to start it up and display says ECU 522241.04. One web site says this - Answered by a verified Mechanic, Codes are ecu tcu sdm communication, derate, and controller failure. I have checked trans/monitor relay, ohms for can bus system at service plug in cab, checked all related fuses, checked plug/inspected harness from trans to rear of machine, inspected harness from ecu to starter (no considerable wear in any harness), plugs at ecu/tcu, …, ECU 1569.31 Engine power derate condition exist *ECU 100.03 Engine oil pressure input voltage problem* ECU 637.10 Crankshaft position signal rate of change …, Apr 19, 2010 · Posted 4/19/2010 17:25 (#1167572) Subject: John Deere 8330 turbo problem. Arkansas. Our 8330 is throwing the following codes: ECU 2795.07 & ECU 1569.31 Dealer has already replaced the actuator that connects to the turbo & it ran fine for a week. Started throwing the codes again today. Anybody know what could be causing this as our service ... , Hello my name is mark rood I have a John deer 319 d and I'm having the same problem John deer replaced the motor about 250 hours ago unfortunately the warranty expires at 200 hrs everything was fine up to about 225 hours I've changed the oil and filter both fuel filters ,both of the air filters and it keeps on happening I contacted John deer shop that put on the new motor and they have no clue ..., ECU-1569.31. Service Alert. Engine Power Derate Condition Exists. ECU-94.18. Service Alert. Low Presssure Fuel Signal Moderately Low. The ECU has derated your power, you will need to have John Deere service advisor software on the laptop connected to reset everything through service advisor and also potentially reflash and …, The codes coming up are: Ecu 1180.16 Ecu 1569.31 Ecu 2791.13 Ecu 2791.02 Ecu 2791.03 Ecu 2791.07 Thanks: Jari: Posted 5/5/2016 23:01 (#5285125 - in …, Table 1. DTC 1569.31 - Engine in Power Derate Condition - Continued. 5-3805-294-10). (Volume 5, WP 0794) ADVISOR. (Volume 3, WP 0375) The engine power derate diagnostic trouble code informs the operator that the ECU has detected a condition such. engine. This code will only set as a result of another DTC setting., ECU 000158.31 – Mismatch Between ELX and Start Inputs ECU 000237.02 – VIN Security Data Invalid ECU 000237.13 – VIN Option Code Security Data Conflict ECU 000237.31 – VIN Security Data Missing ECU 000647.03 – Engine Fan Circuit Current High ECU 000695.19 – Unapproved Engine Speed Request ECU 001110.31 – Engine …, I have a 9630 JD tractor that threw a 94.17 and a 157.01 low fuel pressure code. We changed the filters and it didn't help. The dealer took that tractor away and brought us a 9510R as a replacement until they fixed the one we had. Not one day later that tractor started doing the same thing. Is there a problem with the fuel we put in and what ..., How to fix ECU code 3480.07 fuel dosing. Answered in 47 minutes by: Mechanic: Dan. Dan. Category: Agriculture and Farm Equipment. Satisfied Customers: 17,111. Experience: 17+ yrs. shop and field experience with all major brands of heavy equipment, trucks and farm equipment - 1995 WyoTech graduate. Verified., I have a 2015 5045e, MFWD, 50hp with the Front end loader, 700 hours. This morning upon startup it gave me these 3 codes. ECU PA. 3465.02. ECU PA. 1569.31. ICC PA. 2818.31. I'm having a hard time finding these out on the internet, as always., 1569.31 is a derate code preceded by your EGR code. 2791.07 means EGR valve did not reach the expected position.The ECM commands EGR into a certain position and when the egr actuator doesn`t respond or doesn`t adjust the valve to the desired position it will throw this code and derate the engine., May 18, 2020 · Location. Ny. May 18, 2020. #1. This started with 3673.7 exhaust throttle not responding code came on the went off machine a little under power. now with key on code 3673.31 exhaust throttle invalid position. My question not working on JD that much is should I just free up the assumed stuck throttle valve and send it on its way or should I also ... , Posted 8/1/2015 14:31 (#4711125) Subject: anyone having turbo charger actuator problems on a john deere R series tractor? North Dakota. baling hay and got a code ECU 2795 turbo charger Actuator at fault Limiting Horsepower, tractor has 600 hrs on it and was told could be build up carbon, and told to cycle the key to get actuator to free up, did ..., John Deere 8330 turbo problem. Our 8330 is throwing the following codes: ECU 2795.07 & ECU 1569.31 Dealer has already replaced the actuator that connects to …, Jun 20, 2020 · I have found that one of them at least is related to the fuel pressure. Here are the codes that are showing up if anyone has any information: ECU PA 157.01. ECU PA 1569.31. Ptr PA 2820.31. Ptr PA 524021.31. ECU PA 107.15. ECU PA 157.17. Jul 1, 2020 / 5065e air restriction and now wont run #6. , 1. J1939, J1587, & J1708- This is the system under which most fault codes operate. The first number refers to the hardware like wires, etc while the second and third numbers refer to the non-tangible communication that takes place over the J1939 system. Cummins uses the J1939 system. 2., Lots of communications errors, ECU.001 Fuel Injector 4, 5, and 6 - flow very low, e) Tractor went into Engine derated mode ECU-001 1569.31 Tractor was parked. Just started it up and warming up to temperature.After pulling away from barn started getting all the codes. ... ECU 0 /1569.31 which indicates crank sensor fault. I found the wires ..., For all other engine Tier/Stages, see ECU 000107.00—Air Filter Pressure Differential Extremely High in relevant diesel engine CTM. ECU 000107.15 ( ECU 107.15 )— Air Cleaner Pressure Differential Slightly High. Air filter very dirty. For diagnostic procedure, see the relevant CTM for diesel engines., Lots of communications errors, ECU.001 Fuel Injector 4, 5, and 6 - flow very low, e) Tractor went into Engine derated mode ECU-001 1569.31 Tractor was parked. Just started it up and warming up to temperature.After pulling away from barn started getting all the codes. ... ECU 0 /1569.31 which indicates crank sensor fault. I found the wires ..., I have a john deere 339d and it's throwing throwing ecu codes 100.03, 94.18, 1569.31 and HCU 1594.02 and the engine is - Answered by a verified Mechanic, They are ECU PA 3673.07, ECU PA 1569.31, and ECU A 3465.07. I dont have - Answered by a verified Mechanic. We use cookies to give you the best possible experience on our website. ... ECU 0 /1569.31 which indicates crank sensor fault. I found the wires stripped bare by the fan belt flying apart., Hey guys. Having code/derate issues with our 9870. We currently have ECU 3513.04 (active with key on only), ECU 3822.02 and ECU 1569.31 (active when running).As of right now I believe we have an EGR Valve shorting (valve on left side of engine).Removed connectors and checked codes with each, the 3513.04 only comes up when left valve is connected., 3. AG,OUZXMAY,227 -19-17FEB00-2/8 SPN.FMI Control Unit C00 - Description Priority Level 190.09 CAN Bus message missing from Engine Control Unit - Engine Speed. 3 247.09 CAN Bus message missing from Engine Control Unit - Engine Hours. 3 627.03 Battery voltage is above 16 V. High voltage situation must be resolved. 1 628.12 …, Here is how to get to the fault codes, it is in your manual also. key switch on, engine off... Press & hold the roll mode switch for 5 seconds to begin the diagnostic session. Is there a way to clear all the codes off. Yes, there is, it is in your owners manual, Deere 5075e 2020 model. Lost power/died., Mar 16, 2018. #3. There should be some other code that is associated with the power derate. Usually it's either 1180.00 or 1180.16 which are for too high calculated exhaust temp before turbo. These are not too serious but are telling that the turbo is at it's later stages., Home Questions & Answers 1569.31 john deere code ?. 1569.31 john deere code ? Questions & Answers Tùng Lâm • 30 January, 2023 Tùng Lâm • 30 January, 2023, Flat Threaded Nested. cornfarmer77. Posted 4/14/2019 08:23 (#7438420 - in reply to #7438300) Subject: RE: 7930 John Deere EGR Codes. ECU-001 2791.02 (EGR) ECU-001 1569.31 (derate condition exists) Not sure on the hours. No other engine trouble that I know of., Dec 25, 2011 · Pin #1 on the VGT actuator is wire cc#449 which is VGT Actuator Power. The wire leads to the X256 Engine controller connector which is the one on the right side if standing next to it (closest to the rear of the machine). CC#449 actually splits just before the ECU and goes to pins H4 and H3. , I have a 2016 John Deere 672G Motor Grader we have Low Pressure Fuel flow Issues Filters have bin replaced It will run fine for a couple hrs the it will slow down and code says ECU 94.18 says engine derated. Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix. The Heavy Equipment …, Jun 7, 2016 · The 94.18 code is for low pressure fuel signal low voltage. This sensor is in the top of the secondary fuel filter housing alongside of the fuel temperature sensor. Could be a bad sensor, bad wiring connection, or you could have low fuel pressure due to restricted line, filters, or a bad pump. The 1569.31 code is informational only.