John deere fault code 1569.31

Sep 26, 2010 · 9770 diagnostic codes. These codes popped up for a short time last night. What is the fix? clean air filter out. Before visiting the machine that has a 2791.02, 2791.07, 3822.02, 3822.07, 2659.02, 2659.15 and/ or 2659.17 code, open a DTAC case. Engineering needs the calibration values for the EGR valve.

John deere fault code 1569.31. 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.

Jan 30, 2023 · 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

Oct 2, 2023 · 2 John Deere Engine Fault Codes Spn Fmi File Type Pdf 2022-01-30 Diagnostic trouble codes of the engine control unit (ECU) Diagnostic Trouble Code - Display - Decision ECU 000097.03 - Engine system - The problem with the signal Water in the fuel. Arrange repair as soon as possible throughPosted 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 …1569 31 Engine protection - power derated due to other faults. This code occurs in conjunction with 105.16, 110.00, 110.03, 110.04, and 2630 00 Propulsion system The …Check engine light came on about 7 miles before we pulled in Friday afternoon. Code I pulled up is SPN1569 FMI31 which seems to be indication that the engine is in an engine protect mode but does not say why. Nothing obvious wrong. All gauges looked good at the time. Coolant level is fine. No leaks or anything on the ground after an extended idle.One deer was found with almost 10 lbs of plastic in its stomach. The famous and sacred deer of Nara, Japan’s former imperial capital, attract tourists from the world over. But the ...Hi, my name is*****'m working on a john deere 333D. I am getting a fault code 920.05 (alarm output out of range low). So far I have: inspected all exposed harness connectors, cleaned all of the relay … read moreApr 14, 2019 · 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 …Enter your John Deere Fault Codes in the box below. Results are documented with possible symptoms, causes, and solutions. Additional codes are being continuously added. Toggle Sidebar. Tractor fault codes Find your John Deere Fault code here with the most uptodate information and advice.

May 16, 2016 · Posted 5/16/2016 14:24 (#5304824 - in reply to #5304742) Subject: RE: Trouble with John Deere EGR valve system. Codes are all ECU's. 2659.15 , 1569.31. There is a message that also comes up that says EGR valve not in correct position (didn't catch code on it) John deere 6115d tractor keeps having caution engine light come on, turn it off, imediatly restart may not come on for hours or may come on every 20 min, it does not go off untill u shut engine off. ... Our 6195 is de rating showing fault code ECU.001641.16. this machine has only 86 hours and has give this trouble every 2-3 hours of work. ...Mar 16, 2018 · my problem was that this code 1569.31 comes with 1180.00, we change the turbo and now its all good For code 641.12 says: Communication on Error to Turbo. …Apr 8, 2024 · 2 John Deere Engine Fault Codes Spn Fmi File Type Pdf 2020-03-09 of the engine control unit (ECU) Diagnostic Trouble Code - Display - Decision ECU 000097.03 - Engine system - The problem with the signal Water in the fuel. Arrange repair as soon as possible through a John Deere dealer.JohnDetermining whether you've had an at-fault accident — and what will happen as a result — depends on your insurance company and your state. Get top content in our free newsletter. T...

Apr 6, 2013 · Three codes keep popping up on our tractor and it is restricting the power to the engine. The codes or 641.04, 2795.07, and 1569.31. I had this problem earlier in the year and the dealer came out and changed an electronic part. Which one I do not know as I was not there and the problem was fixed for a while. Jun 7, 2016 · I have a 2015 5100E I bought in December. 2 months ago the check engine light and the red exclamation point lights started flashing when it hit 69 hrs. I couldn't cycle through the console display to get the code. The dealer picked it up. A month later they told me it was the wiring going to the bottom of the water separator. If you’re in the market for a new John Deere tractor or are looking to sell one that you have on your farm, you’ll want the most relevant pricing information that you can find. Rea...4 days ago · This fault code is an aftertreatment system fault code indicating that the tractor cannot perform a regeneration. Service is needed of your aftertreatment system and a complete regeneration will be necessary as well as a possible software update and reset of your aftertreatment system using the John Deere diagnostic software.Aug 4, 2017. #11. 1180 is usually a turbo. However I have also seen low coolant cause this as the turbo actuator isn't getting cooled. Check the coolant level. With engine running and header tank cap off. Put heater on when filling to help …

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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 ... 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. ... 2,830 satisfied customers ...Dec 5, 2019 · Texas. The warning light and buzzer have been coming on with the ECU code 97.16. water trap full. This happened to another operator. I changed the filter/ separator because I don't know it's age. I had drained a lot of water out of old filter, had cleared code and it ran okay for a bit , 20 minutes before light. Coming on.JD 410K Engine Derated code 1569.31. Backhoe will run for about 30 seconds then shuts down. Also code 94.18 is shown - Answered by a verified MechanicI 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.There are a number of places to find genuine John Deere parts and aftermarket John Deere parts, depending on your budget and specific needs. The John Deere website, official John D...

John Deere dealers and all those who use John Deere equipment need a copy the corresponding equipment’s manual. The best option is to visit the John Deere site and search for manua...People tend to have one of three beliefs about the meaning of work and which category you fall into largely depends on your parents, according to new research from the University o...If you’re looking for agricultural, forestry or construction machinery, you can’t go wrong if you choose John Deere. For additional product information and warranty coverage, you n...I've got a Massey Ferguson 1736 and it's throwing code 2041-12. ... Deere 326d 2011 So I got the code "No ecu on the can bus. John deere 326d 2011 So I got the code "No ecu on the can bus abnormal data range" 2000.09 . I have so far checked continuity from the ecu to the hcu,emu, data link and both joysticks.Determining whether you've had an at-fault accident — and what will happen as a result — depends on your insurance company and your state. Get top content in our free newsletter. T...Press “SELECT” to view the machine and engine diagnostic codes. Write down any codes that appear in the system for your records. Press “SELECT” to scroll through the codes until “END” appears on the display. Press “SELECT” again, “WAIT” will be displayed on the screen. Hold “SELECT” for 5 seconds to clear all John Deere ...Aug 4, 2017. #11. 1180 is usually a turbo. However I have also seen low coolant cause this as the turbo actuator isn't getting cooled. Check the coolant level. With engine running and header tank cap off. Put heater on when filling to help …Aug 1, 2015 · another call to the john deere service department. they are good guys do good work not their fault, just irritating when ya need it the damn thing starts flashing codes. the old caseih 2294 and john deere 7800 pulled it never had problems. good tractors, starting to think we should have bought two 7810s instead of one 6150R hahahaTerms Used In California Health and Safety Code 1569.31. Care and supervision: means the facility assumes responsibility for, or provides or promises to provide in the future, ongoing assistance with activities of daily living without which the resident's physical health, mental health, safety, or welfare would be endangered.See California Health and Safety …Jul 1, 2021 · 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 hours

Mar 16, 2018 · 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.

Oct 10, 2018 · John Deere Pump Engine EGR and VGT Solution. 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 2791.13.DTC 1569.31 - ENGINE IN POWER DERATE CONDITION. Table 1. DTC 1569.31 - Engine in Power Derate Condition - Continued. 3. 1. position (TM 5-3805-294-10). resolve all active DTCs. 2.code list deere - Free download as PDF File (.pdf), Text File (.txt) or read online for free. diagnostic list deereMar 27, 2019 · Backhoe will run for. JD 410K Engine Derated code 1569.31. Backhoe will run for about 30 seconds then shuts down. Also code 94.18 is shown (fuel pressure … read more. I have a Deere 550k with the following faults. The machine. I have a John Deere 550k with the following faults. ECU 1569.31 - Engine protection - power derated due to other faults. This code occurs in conjunction with other codes that indicate faults. ECU 157.16 - Fuel pressure high - moderately severe level. (6135) During my digging around I remembered I had an ECU code pop up last fall a couple of times but it always went away immediately.Oct 10, 2018 · John Deere Pump Engine EGR and VGT Solution. 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 2791.13.JD 9770 codes ECU 412.16 & 1569.31. I got the 1569.31 code in May while combining corn, called dealer and he said he was something to do with air filter restriction, (he was a young guy) and I figured he was full of it so pulled air filter and sure enough it was extremely dirty (combining corn this spring was very dusty) I am not a believer in ...FAC9, F9C4, F9A3, FAC4. John Deere 410G. John Deere 410G. Chat - Answered by a verified Mechanic. We use cookies to give you the best possible experience on our website. ... These fault codes indicate loss of datalink communication with the machines electronic control module. Be sure to first check all your fuses and relays for any failed that ...What to do when you experience loss of power and see ECE code 157.01, 1569.31 & ICC code 2818.31 on you John Deere 5 Series Utility Tractor. These are fuel r...

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DTC 1569.31 - ENGINE IN POWER DERATE CONDITION. Table 1. DTC 1569.31 - Engine in Power Derate Condition - Continued. 3. 1. position (TM 5-3805-294-10). resolve all active DTCs. 2.May 10, 2018 · Son has a problem with a 2011 7125R with 1550 hours I thought perhaps someone would have some insight on. Tractor runs hot - over 180F - seems to burn a lot of fuel, and throws a couple codes: ECU .001 1569.31 engine power limited. ECU .001 2795.07 turbocharger position actuator fault, engine power limited. Spent $1400 having the …Candace Baker, Car Insurance WriterApr 7, 2023 No-fault insurance is a system of car insurance laws that requires drivers to use their own coverage to pay for basic medical expense...Aug 1, 2016 · Check engine light came on about 7 miles before we pulled in Friday afternoon. Code I pulled up is SPN1569 FMI31 which seems to be indication that the engine is in an engine protect mode but does not say why. Nothing obvious wrong. All gauges looked good at the time. Coolant level is fine. No leaks or anything on the ground after an extended idle. Sep 21, 2020 · North West. Nov 14, 2020. #4. Henry B said: We have a JD 6210r with this fault code coming up and derating the Tractor power. Someone has suggested we need a new egr cooler at £1200, has anyone else had this issue. The Tractor has done 6700 hrs. I’ve had the exhaust manifold pressure sensor fail on a 7R, gave same problem.Table 1. DTC 1569.31 - Engine in Power Derate Condition - Continued. Test or Inspection. Corrective Action. Malfunction. 3. Turn key switch to OFF. 1. If active DTCs are present,John Deere fault code 1569.31 refers to an issue related to the engine fuel pressure. Specifically, it indicates that the fuel pressure is below the recommended level. When encountering this fault code, there are a few potential repairs you can consider: Check fuel filters: Start by inspecting and replacing the fuel filters.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 ...Apr 2, 2023 · Confirmed 3/4 of a tank so performed a reset and started driving, made it about 50 miles and the low def light came on again followed shortly by a check engine and an eminent derate warning. Checked for codes and SPN 1569 FMI 31 came up. Made it to a rv park and waiting for the Cummings dealer to open tomorrow.333d showing 520194.14 and 520194.13 machine Id wrong or missing. Mechanic's Assistant: What is the complete model and serial number of your machine? T0333DM182496 333d John deere. Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix. The Heavy Equipment Mechanic I'm going to connect you with …i have a 5065 e john deere that is giving me trouble it would lose power at rpm exceeding 1800. the diagnostic codes are ecu1569.31. 157.01. pbr 523959.31 and 1347.18 … read more Wayne ….

Sep 26, 2010 · John Deere. 9770 diagnostic codes. Jump to Latest Follow. 21K views 3 replies 3 participants last post by pivotrock Sep 27, 2010. P. pivotrock Discussion …Jan 20, 2024 · Engine oil pressure is low. Check the oil pressure in the engine and add sufficient oil to the tank. ECU 000110.00. Engine coolant temperature is high. Check the coolant level in the radiator and clean the radiator fins; if the code reappears, get help from a John Deere technical. ECU 000110.03ECU 000110.04.Be sure to check all of your fuses and relays but also your power and grounds to your control module on the tractor. 1569.31 indicates a derate condition As the result of other fault codes existing and being ignored in order to force the operator to shut the equipment down and get the repairs made. 3516. 07. Find out what the fault code means. Enter your John Deere Fault Codes in the box below. Results are documented with possible symptoms, causes, and solutions. Additional codes are being continuously added. 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 the turbo & it ran fine for a week. Started throwing the codes again today.I get ECU PA CODE OF 157.01 AND 1569.31. Mechanic's Assistant: I understand that you're experiencing trouble with your John Deere. Have you noticed any specific issues or symptoms related to these ECU codes? ... ECU 0 /1569.31 which indicates crank sensor fault. I found the wires stripped bare by the fan belt flying apart. Reconnected and ...Types of Divorce - Types of divorce can depend on the state. Learn about different types of divorce like no-fault divorce, annulments and why Reno is so popular for divorces. Adver...Backhoe will run for. JD 410K Engine Derated code 1569.31. Backhoe will run for about 30 seconds then shuts down. Also code 94.18 is shown (fuel pressure … read more. I have a Deere 550k with the following faults. The machine. I have a John Deere 550k with the following faults. John deere fault code 1569.31, 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., Central Control Unit (CCU) Diagnostic Trouble Codes. OMAR283034: 9230, 9330, 9430, 9530 and 9630 Tractors, Block File: RW29387_0000486_19_09MAR09.htm. This may have them all. Diagnostic Trouble Codes. OMAR232106: 7630, 7730, 7830 and 7930 Tractors, Block File: OU1092A_0000020_19_28SEP06.htm. I could not find any reference to the Ptr PA 522456.31., Nov 13, 2011 · I have a John Deere 6930 Premium, when it works hard it give the fail 2659.17 and 1569.31. The problem is EGR Mass Flow Rate Data Slightly Low. Have had a visit from a John Deere service technican, and he found no problem with the temperature sensors. I have a similar tractor and tried to replace the EGR valve, and replace the …, 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., 6 days ago · Thank you for waiting. The ECU will use the crankshaft sensor input to determine the high-pressure fuel pump and pump position. If a crankshaft sensor DTC accompanies 636.10, the engine cannot be started. Inspect the working going to the sensor and the pins,if all good. I suggest you replace the crankshaft sensor., Wondering how to start deer farming? From writing a business plan to marketing, here's everything you need to know. Deer meat is a type of venison. Venison comes from the Latin “Ve..., May 10, 2022 · John Deere BCU Fault Codes List. The BCU (Basic Control Unit) is the main computer controller that controls the functions of John Deere. This group (BCU) contains …, Apr 30, 2018 · Apr 30, 2018. #1. Hi guys, I have a 2010 JD 319d. It has been throwing codes 94.18 and 94.04 which are low fuel pressure codes. Once one of those codes come up it will start to derate the machine. If I pull of the sensor (by the fuel separator) the engine will not derate. I changed the inline filter and the water separator but has not fixed the ... , 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., Write down any codes that appear in the system for your records. Press “SELECT” to scroll through the codes until “END” appears on the display. Press “SELECT” again, “WAIT” will be displayed on the screen. Hold “SELECT” for 5 seconds to clear all John Deere diagnostic codes from the system. When cleared, “END” will ..., May 7, 2014 · Slicker than a Yes album. This is what a failed EGR cooler looks like. Few bolts and you can peek inside. Worth a try. Check your engine settings tab on the command arm screen., Apr 8, 2024 · 2 John Deere Engine Fault Codes Spn Fmi File Type Pdf 2020-03-09 of the engine control unit (ECU) Diagnostic Trouble Code - Display - Decision ECU 000097.03 - Engine system - The problem with the signal Water in the fuel. Arrange repair as soon as possible through a John Deere dealer.John, Sep 17, 2022 · Posted 9/17/2022 19:10 (#9848606 - in reply to #9848411) Subject: RE: John Deere 7780 ecu 27.07. ec. nebr. You haven't given the full code as shown on your display. I find 1209.07, which is exhaust pressure sensor fault.. 1569.31 shows power is derated. ECU 27.07 must be an incomplete code?? , Hantavirus is a life-threatening viral infection spread to humans by rodents. Hantavirus is a life-threatening viral infection spread to humans by rodents. Hantavirus is carried by..., Apr 2, 2023 · Confirmed 3/4 of a tank so performed a reset and started driving, made it about 50 miles and the low def light came on again followed shortly by a check engine and an eminent derate warning. Checked for codes and SPN 1569 FMI 31 came up. Made it to a rv park and waiting for the Cummings dealer to open tomorrow., code 97.03. 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 …, 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., Aug 24, 2021 · Since then I have put some 60 hours on it, and now I have ECU codes 1209.07 - exhaust manifold pressure sensor fault/mismatch - and 1569.31 - engine power limited - due to the previous code. Those are the only codes. The tractor was not maintained very well, so I have completed most of the requirements - engine oil & filter change, fuel tank ... , Oct 10, 2018 · 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. , Mechanic: Jeremy. Jeremy. Category: Agriculture and Farm Equipment. Satisfied Customers: 4,370. Experience: ASE Certified Medium/Heavy Duty Technician, Hydraulics, Electrical, Brakes Certified. Verified. My name is ***** ***** I will assist you with your question today. I'm an independent contractor and I don't get paid until a rating has been ..., Good morning I have a John Deere 710K, and I am receiving a code ECU 1569.31. ... T0750CX819987 Unfortunately, it's already throwing a fault code. , 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. , Jun 7, 2021 · Disable the fault code. Operate the engine within the "Conditions for Clearing the Fault Code" found in the Overview section of the troubleshooting procedure. Verify that the fault code is no longer active. Use the recommended Cummins® electronic service tool or equivalent to find the current ECM code and revision number in the ECM., Nov 10, 2017 · Posted 11/10/2017 20:15 (#6357562 - in reply to #6357327) 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 ... , Aug 30, 2019 · Here are steps to clear codes: Recall, Record, and Clear Codes Using On-Board Diagnostics Action: 1)Place key switch in RUN position (engine OFF). 2)Stored Diagnostic Trouble Codes (DTC) appear on Instrument Cluster Control (ICC) screen. If codes appear, record the information as the displays scrolls through the stored codes list. , Since then I have put some 60 hours on it, and now I have ECU codes 1209.07 - exhaust manifold pressure sensor fault/mismatch - and 1569.31 - engine power limited - due to the previous code. Those are the only codes. The tractor was not maintained very well, so I have completed most of the requirements - engine oil & filter change, fuel tank ..., Sep 26, 2010 · John Deere. 9770 diagnostic codes. Jump to Latest Follow. 21K views 3 replies 3 participants last post by pivotrock Sep 27, 2010. P. pivotrock Discussion …, May 7, 2014 · Slicker than a Yes album. This is what a failed EGR cooler looks like. Few bolts and you can peek inside. Worth a try. Check your engine settings tab on the command arm screen., Posted 11/13/2011 15:55 (#2048090 - in reply to #2048041) Subject: RE: John Deere motor problem ECU 2659.17 HELP. Used to buy all the maintenance CDs , but they are getting expensive. I tried "justanswer.com" they have a guy who claims to be a John Deere expert, who will give you an answer. It will cost you something like $29 but you only pay ..., John Deere. Guttler. Fransguard. Sparex. Tractor Fault Codes. Service. Performance. Find out what the fault code means. Enter your John Deere Fault Codes in the box below. …, I have a 5085E and it is showing several codes. They are ECU PA 3673.07, ECU PA 1569.31, and ECU A 3465.07. I dont have - Answered by a verified Mechanic ... John Deere 5075e 2020 model. Lost power/died. ... 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 ..., 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., To view and/or clear diagnostic trouble codes for any given control unit, do the following: 1. Use the right turn signal switch to scroll to the desired control unit. 2. Press and release the roll mode switch to enter the diagnostic addresses for that desired control unit. 3.