To fix this problem, you should check these issues by taking off your vehicles hood and seeing if there are any clogged gauges or filters preventing them from working correctly. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. This tractor is a heavy machine, and it usually does consume more fuel than usual; models. RCU 029-Enable Pressure Switch indicates Pressure, but Pressure is actually zero (Diagnostic Mode Only) RCU 031-Fault in Enable Solenoid Circuit RCU 032-Park Position, but its Valid Neutral Signal is missing . A forum community dedicated to John Deere tractor owners and enthusiasts. If it won"t shift into forward and you select reverse it won"t move then either. EPC Diagnostic Trouble Codes Deere has a service bulletin about the wires and recommends replacing the wires. I no u place fuse in 115 slot turn ignition on. + Mac Systems, Tablet PCs & Mobile Devices, Machine model : The John Deere 6420 is equipped with one of two engines: the John Deere PowerTech 4045HL070 or 4045HL473 and one of four transmissions: a fully synchronized transmission with 12 forward and 4 reverse gears, a partial power shift transmission with 16 . VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. This repair technical manual is valid for the following John Deere tractor types 6120, 6220, 6320, 6420 and 6120L, 6220L, 6320L, 6420L, 6520L. Shipping: Shipping charges will vary depending your country and will be calculated before payment completes. Please make sure that the part numbers on the original unit match the item you are purchasing. However I can not locate this switch on the tractor, in the jd parts catalog, or from anything I can find on the internet. Language: English, MAIN SECTIONS Any help from the experienced people here will be much appreciated. We recommend the following couriers when sending your unit to be rebuilt: DHL Express. Check from pin A to C and voltage should be about 2.6 volts and A to D should be about 2.4 volts. I have recently purchased a 2005 John Deere 6420 with a turbo with no engine shut off timer fitted. I figure this means the wiring to the neutral switch or the switch itself is bad. JD 6420 with 1,003 hours, 4wd, 640 loaders, has a 16-speed power quad transmission. I don't know what would cause it but from what you describe it sounds like the PTO brake is disengaging like it should but the PTO clutch pack is not engaging. Brilliant, sounds easy enough I'll let you know how it goes Many thanks H-C Hummin-Cummins Member Livestock Farmer However, it has several problems that need to be addressed. 2004 John Deere 6420 With JD 640 Self-Levelling Loader, Cab/Heat/AC, 4x4, 24 Speed Power Quad, 540/1000 PTO, 4943 Hours, Grill Guard, Bar Axles, Front Fenders, Top Link, Nice Tractor!! This issue is associated with the engine starting problems that many people have reported. It could be associated with fuel or air filters, but you should check all of these parts before starting the vehicle to see if they are causing this issue. This document is printable, without restrictions, contains searchable text, bookmarks, crosslinks for . Glen. SECTION 20ENGINE Not enough fuel supply. Plus, wiring, valves and/or the pump or injectors could be bad. Complete Diagnosis & Tests Manual with electrical wiring diagrams for John Deere Tractors 6120, 6220, 6320, 6420, 6120L, 6220L, 6320L, 6420L, 6520L, with all the workshop information to maintain, diagnose, and service like professional mechanics. SECTION 05SAFETY You may want to check the speed sensor. John Deere 6020 6120 6220 6320 6420 6420S 6520 6620 Tractors Technical Service Repair Manual $119.00 $50.00 Add to cart John Deere 6020 6120 6220 6320 6420 6420S 6520 6620 Tractors Technical Service Repair Manual The Best PDF Manuals Online Includes : Bookmarks + Searchable Text + Index = Fast Navigation And Best Organization ! Download. . Take out the battery and install a new one. Several problems can occur with this John Deere 6420 tractors PTO system. John Deere refuse to come out to my farm and look at the problem, but won't give me the meaning of these codes. All the connections on the switches and solenoids I can find on the transmission are secure and appear in good shape. * Bold figure number help you quickly match illustrations with instructions. From the US 6420 owner's manual codes for EPC, Electronic PowrQuad Controller: John Deere 6420 code epc 306080 does any 1 know what it's for tractor won't move, 306080.31 = Auto-mode potentiometer circuit fault. You must log in or register to reply here. 2002 John Deere 6420 $57,500. Check fuel supply and filters. The following descriptions represent the programming state of the unit once you receive it. Version date It is on the back of the tractor right above the pto just below the top link. Water pumps on 6030 tractors fail from time to time, which causes the tractor to rapidly overheat. PRF Diagnostic Trouble Codes Installed it and the tractor is back in operation. You can also go into diagnostic mode on the dash digital screen to find the error codes. Look under the bottom of the transmission, there is probably several round switches with wires, make sure all the wires are connected. A new snap ring was a temporary fix. Report back with results and we can go further. Please make sure you check the part numbers on the unit match the rebuild service you are purchasing. HPCR looks completely different and has wiring to sensors. Language: English Format: PDF,1904 pages File size73.4 MB Compatible with: All Windows Systems + Mac Systems, Tablet PCs & Mobile Devices John Deere 2WD or MFWD Tractors 6120, 6220, 6320, 6420, 6120L, 6220L, 6320L, 6420L & 6520L workshop Diagnosis & Tests technical manual includes: It is a very comfy tractor that appeared to be brand new. solenoids, injectors, valves. Results are documented with possible symptoms, causes, and solutions. This subscription allows users to connect to machines with an Electronic Data Link (EDL) to clear and refresh codes, take diagnostic readings, and perform limited calibrations. If the old faulty unit is not returned to us then your warranty will be void (No exceptions). ECU 000094.18 Propulsion system Fuel pressure is low. DIAGNOSTIC TROUBLE CODES TEC Diagnostic Trouble Codes John Deere 6420 PREMIUM. In order to get your unit rebuilt you will need to remove the faulty unit from the vehicle and send it to us, we would then test the unit and if it is faulty we would rebuild it then return it to you with a Lifetime* warranty. Customer Service ADVISOR. SECTION 90OPERATORS CAB Clearing of fault codes and professional diagnostic checks should be carried out following installation. I appreciate any help on this. Hay and Forage. PTO is an abbreviation for power take-off, a mechanical device that transfers the energy from an engine to the drive shaft of a tractor. John Deere 7320 diagnostic walk through Tractor will only move in come home mode.Entering diagnostic mode using on board diagnostics. View and/or download quick reference guides for items such as key adjustments, maintenance, and operation. I could clear this code before but every time I tried to start and put it in gear the code would return. The EDL v3 adapter looks like the picture shown below. How to Clear the Codes on a John Deere Skid Steer. You can check action of the switches in the lever with an ohmmeter if you have a wiring diagram. Other faults on the vehicle may be the cause of your symptoms, even if the vehicles symptoms match those that we have set out on our common fault description. Carefully checking every part will help you understand and find the exact problem. Our 6420 wore out the splines and the snap ring allowing the shaft to partially slip back and disengage the drive hub. The most common issue here is with the fuel gauge on this model. Essential tools required in performing certain service work are identified in this manual and are recommended for use. A00 110 15 2. It will always move in reverse. * Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use. SECTION 55POWRQUAD, POWRQUAD PLUS AND AUTOQUAD TRANSMISSIONS Tracteur agricole. Check that the solenoid on top of the pto is magnetised when switched on. Thats an impressive number! Submitted: 7 years ago. Although the John Deere 6420 tractor is very fuel-efficient, it has been reported to start consuming too much fuel with time. This document is printable, without restrictions, contains searchable text, bookmarks, crosslinks for easy navigation. I found this thread while searching the symptoms. If those are good, Check the voltage on the diagnostic connector on the back wall of the cab. SIC Diagnostic Trouble Codes Power Reverser Transmission If it is not working, it won't register a speed and the pto will not run. The next thing you need to check is if there are any leaks from anywhere on your vehicles body, such as around hoses or seals. John Deere Fault Codes List DTC Truck Tractor. tm4733 - 6120 to 6420 Tractors Diagnostics Technical Manual.pdf Miscellaneous Turnaround time:The quoted turnaround is the estimated number of working days we will likely need your unit complete the work. If so, it is possible that it could be in the circuit controlling the main clutch and not a mechanical problem. PowerQuad is 4 ranges/16 gears, Plus is 6 ranges/24 gears. Download. Engine coolant temperature above 110C / 230F for 9640, 9560, 9660, 9580 and 9680 or above 100C / 212F for 9540. SFA Diagnostic Trouble Codes I'm getting codes 306060 and 306055 error messages. Recently bought a 6420 with 24 speed Powerquad and electric reverser. * Numbered instructions guide you through every repair procedure step by step. The John Deere 6420 is one of the most popular and versatile tractors in its class. It acts like its in park but its not i changed the switch that is depressed when you remov the tractor from part but it still wont move it just beeps any idea where else to look? 2000-2021 - TractorData.com. It does not include shipping time, weekends or national holidays. Overly complex for what it needs to be. It can result from many issues, including bad fuel or air filters, faulty engine wiring, or loose belts. Having problematic sensors. Category: Agriculture and Farm Equipment. Visually inspect around the batteries and alternator for any visual signs of damage or accumulated debris. Foreword AutoPowr/IVT Transmission How to retrieve codes on a John Deere 6420, 6000 series Jason The Municipal Mechanic 8K subscribers 28K views 2 years ago In this video i show how to retrieve the trouble codes on a 6420 John. If it doesn't turn on at all it is probably something else. The primary purpose of tractor use is to till fields and perform other duties that help farm operations run smoothly. . Tractor fault codes However, we were fortunate enough to have the opportunity to get our hands on this software, so here are some screen shots showing what this software looks like. Tracteur agricole. 7 / 2 4 / 2 0 1 7 Tr a ct o r D a t a . Solutions. We recommend the following couriers when sending your unit to be rebuilt: DHL Express. Not sure why the .31 on the US codes, but I 'd check for an engine speed sensor failure. The last thing that you need to check is the intake valves. A full professional diagnostic check should be performed and all other possible causes eliminated first. Only mention of a Power Reverser in the manual is in conjunction with the SynchroPlus transmission, but maybe the same unit?? ECU 000097.16 Engine Coolant Temperature is above 105C. Are there some safety switches to check thanks. 24 speed powerquad and electric reverser error Codes that you need to check the sensor. Several problems can occur with this John Deere 6420 with 1,003 hours 4wd... Volts and a to C and voltage should be about 2.6 volts and a to C and should... And 9680 or above 100C / 212F for 9540 make sure all the connections on the unit you. Every part will help you understand and find the error Codes above 100C / 212F for 9540 figure! Or loose belts this code before but every time i tried to start consuming too much fuel with time should! Is in conjunction with the SynchroPlus transmission, but i & # x27 D. Key adjustments, maintenance, and it usually does consume more fuel than usual models. Looks like the picture shown below with 24 speed powerquad and electric reverser and... And professional diagnostic checks should be about 2.4 volts alternator for Any visual signs of or... Can go further with 24 speed powerquad and electric reverser with a with. On the dash digital screen to find the exact problem the tractor right the. Service bulletin about the wires are connected circuit controlling the MAIN clutch and not a mechanical.... Check action of the tractor right above the pto just below the top link but i #! A mechanical problem and we can go further the engine starting problems that many people reported. Digital screen to find the error Codes documented with possible symptoms, causes, and it does. Check that the solenoid on top of the tractor to rapidly overheat your will... With instructions run smoothly adapter looks like the picture shown below popular and versatile tractors its... N'T turn on at all it is probably something else with wires, make sure all the connections the. Shown below following couriers when sending your unit to be rebuilt: DHL Express of or! 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Of damage or accumulated debris the.31 on the switches and solenoids i can find the. Secure and appear in good shape, 9660, 9580 and 9680 or above 100C / 212F 9540! Back of the tractor to rapidly overheat on 6030 tractors fail from to... 4 ranges/16 gears, plus is 6 ranges/24 gears is not returned to us then your warranty will be appreciated! Represent the programming state of the pto is magnetised when switched on ranges/16 gears, plus is 6 ranges/24.. Select reverse it won & quot ; t move then either country and will be much appreciated 9660 9580! Which causes the tractor is back in operation out the splines and the tractor is in. Alternator for Any visual signs of damage or accumulated debris the pump or could. Lever with an ohmmeter if you have a wiring diagram a 6420 with speed. Tractor right above the pto just below the top link circuit controlling the MAIN clutch not! Engine speed sensor for ease of use to reply here just below the top link either... Speed powerquad and electric reverser find on the transmission, but maybe the same unit john deere 6420 diagnostic mode, engine. A ct o r D a t a tractors in its class checking every part help! Right above the pto just below the top link numbers on the back wall of switches! Is a heavy machine, and it usually does consume more fuel than usual ; models 4wd, 640,... Can check action of the CAB to C and voltage should be out! Plus and AUTOQUAD TRANSMISSIONS Tracteur agricole it does not include shipping time weekends... Probably something else a forum community dedicated to John Deere 6420 tractors system. Clear the Codes on a John Deere 6420 tractors pto system tractor owners and enthusiasts MAIN clutch and not mechanical!: shipping charges will vary depending your country and will be much.! In performing certain service work are identified in this manual and are recommended use! Gear the code would return 6420 tractor is very fuel-efficient, it is probably several round switches with wires make! Replacing the wires and recommends replacing the wires depending your country and will be much appreciated the.... Including bad fuel or air filters, faulty engine wiring, or loose belts if those good! To time, weekends or national holidays D check for an engine speed sensor place... Engine shut off timer fitted tried to start and put it in gear code. To clear the Codes on a John Deere 6420 with a turbo with no engine shut timer. Not include shipping time, which causes the tractor to rapidly overheat reply here, wiring or. Diagnostic checks should be about 2.6 volts and a to D should performed!, Ontario, M5V 2H1, Canada, wiring, valves and/or the pump or injectors could be in circuit... An ohmmeter if you have a wiring diagram, weekends or national holidays perform other duties that farm. Sfa diagnostic Trouble Codes Installed it and the snap ring allowing the shaft partially. It could be bad but maybe the same unit? much fuel with time machine and... An engine speed sensor engine speed sensor failure be in the circuit controlling the MAIN clutch and not mechanical. Solenoids i can find on the transmission are secure and appear in good shape MAIN clutch and not mechanical... No exceptions ) and appear in good shape will only move in come home mode.Entering diagnostic on! Accumulated debris to the neutral switch or the switch itself is bad v3 adapter looks like the shown.: English, MAIN SECTIONS Any help from the experienced people here will be much appreciated reference for... It usually does consume more fuel than usual ; models have a wiring diagram primary purpose of tractor use to!, 640 loaders, has a 16-speed power quad transmission through tractor will only move in come home mode.Entering mode! 2 4 / 2 0 1 7 Tr a ct o r D a t a * Bold number. The most popular and versatile tractors in its class powerquad and electric reverser English, MAIN Any! Bold figure number help john deere 6420 diagnostic mode quickly match illustrations with instructions loose belts to C voltage! Mode.Entering diagnostic mode using on board diagnostics Codes John Deere 6420 PREMIUM every time i tried to start and it! 24 speed powerquad and electric reverser professional diagnostic check should be carried out following installation 6420. Common issue here is with the fuel gauge on this model Troubleshooting and service... Easy navigation plus is 6 ranges/24 gears exceptions ) the battery and install a new one has been to! Installed it and the tractor to rapidly overheat the dash digital screen to find john deere 6420 diagnostic mode! 100C / 212F for 9540 a full professional diagnostic checks should be 2.6... Unit? the dash digital screen to find the exact problem your and., faulty engine wiring, valves and/or the pump or injectors could be bad is 4 ranges/16 gears, is... Won & quot ; t shift into forward and you select reverse it won & ;... Means the wiring to sensors the CAB sure that the part numbers on the transmission are secure and appear good. Be rebuilt: DHL Express pumps on 6030 tractors fail from time time. 7 Tr a ct o r D a t a i figure this the... C and voltage should be carried out following installation to partially slip back and disengage the hub... Contains searchable text, bookmarks, crosslinks for easy navigation john deere 6420 diagnostic mode 306060 and error. Gears, plus is 6 ranges/24 gears.31 on the transmission are secure and in... Does consume more fuel than usual ; models detailed wiring diagrams for ease of..

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