John Deere Service & Repair Forum

Hi there, the John Deere RE66265 Digital Tachometer is displaying error code E4. Equipment is not registering engine RPMs accurately. Kindly advise on troubleshooting steps needed for proper diagnosis and repair. Thank you.

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— Posted by Sehm on 2015-07-15

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If you need your John Deere unit tested or repaired,
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Industrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
Phone: 1-336-969-0110


Recent 329 Comments

#John Deere by Ronnebaum on 2015-01-07 11:41
The John Deere AT320355 AT320694 is a CAN Monitor Unit that is currently not working.

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#John Deere by brian egan on 2014-01-07 11:22
The John Deere RE64583 7SUD5JD04 is displaying ERROR CODE 305 - MOTOR CONTROL FAILURE. Equipment is currently down, urgent assistance needed.

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#John Deere by Martin Connor on 2015-07-30 07:20
I need assistance with my John Deere RE65483 7SUD5JD04 for the SCV Setup Panel. This unit caused downtime and I should report it as a shift supervisor. I need a quick answer regarding what happened and when before the next shift starts.

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#John Deere by Pierre Guex on 2015-07-20 13:20
Can the John Deere AT320355 AT320694 CAN Monitor Unit be repaired or bought? I'm trying to check this off my to-do list.

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#John Deere by DAVID LEHMANN /ZIONS on 2013-12-27 17:43
Please provide an update on the John Deere RE64583 7SUD5JD04 SCV setup panel issue. The unit is still down. We need immediate attention on this matter.

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#John Deere by Quartermain on 2016-03-22 01:08
The John Deere RE172237 7VMU0JD01 Vehicle Monitor is not working.

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#John Deere by Frank Taylor on 2015-07-17 09:20
I'm currently experiencing some issues with the SCV Setup Panel on my John Deere RE65483 7SUD5JD04. Something seems to have stopped working and I'm not sure how to fix it. Your assistance in resolving this matter would be greatly appreciated.

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#John Deere by Bernd on 2011-11-15 16:47
I'm sorry to hear about the issue with your John Deere RE66821 7AT6JD01 Analog Tachometer. It seems like something may have stopped working properly. I recommend reaching out to a technician for a detailed evaluation.

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#John Deere by Rheal Guilbault on 2013-08-13 01:32
Bale Trak Plus RE159944 unit malfunctioned mid-shift. Please check and repair tomorrow.

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#John Deere by ahmed gomaa on 2015-07-08 23:32
Hi, the John Deere RE64583 7SUD3JD01 is showing error code SCV Setup Panel. Equipment is currently down and in need of urgent repair. Thank you.

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#John Deere by Thang on 2015-07-05 17:58
Hello, I am interested in the John Deere RE49192 7THM2JD03 Tachometer. Could you please let me know the pricing and availability? I am trying to source one quickly. Thank you.

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#John Deere by OliverAtmob on 2017-06-24 00:00
John Deere ECU 70842 displaying error code A-0530G12, unable to power on or communicate with equipment properly. Need repairs on the controller unit urgently.

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#John Deere by s b sharma on 2015-07-31 05:20
I believe there's an issue with the digital tachometer on the John Deere RE66265 7MRT8JDO1E. It seems like the digital display has stopped working properly. Would you like me to investigate further or seek help from a technician?

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#John Deere by Halder on 2014-02-12 23:58
John Deere RE43902 7MRT2JD02 controller malfunction causing production line downtime. Urgent repair needed to resume operations immediately.

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#John Deere by Bruno Arca on 2013-08-13 20:35
Do you have a John Deere Bale Trak Plus RE159944 available for sale or repair? Our unit has gone down, and we need to get production up and running quickly.

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#John Deere by Al Schrock on 2013-05-25 15:24
Our John Deere RE64583 7SUD5JD04 is still down. Please provide assistance and get back to me as soon as possible. Thank you.

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#John Deere by Ravikumar Jadhav on 2013-11-07 23:37
Unit John Deere RE64583 7SUD5JD04 experienced downtime due to a malfunction in the SCV Setup panel. The issue occurred at 1030 AM today, and we are currently awaiting an analysis to determine the cause. Please advise

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#John Deere by Prahlad on 2013-07-27 16:32
Hello, the John Deere RE64583 SCV setup panel on 7SUD5JD04 unit is not functioning properly. Please check and fix it. Thanks.

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#John Deere by stephen spaner on 2015-07-25 02:20
The John Deere RE65483 7SUD5JD04 is not functioning properly, acting in an unusual way. Please provide more details so we can better assist you.

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#John Deere by V S yadav on 2015-07-28 08:20
Hello, I'm interested in the John Deere RE46704 7AT2JD01 part for a tach display. Could you please provide information on pricing and availability? I'm looking to source this unit quickly. Thank you.

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#John Deere by Haldor on 2013-11-16 23:30
The John Deere Bale Trak Plus RE159944 is not functioning properly and needs maintenance.

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#John Deere by Bateman on 2014-01-18 03:45
The John Deere RE43902 controller is not working. Please check and repair as needed.

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#John Deere by Parand on 2015-06-22 18:12
Hello, I am reaching out on behalf of my client who has a John Deere RE66265 Digital Tachometer with the following issue 7MRT8JDO1E. Can you please provide more information or assistance with this part? Thank you.

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#John Deere by Jonathan Collie on 2013-08-07 02:32
Hey, the John Deere Bale Trak Plus RE159944 monitor unit went down mid-shift. Needs attention before next use. Please check and fix asap. Thanks!

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#John Deere by Neill on 2013-08-03 03:32
The John Deere RE64583 7SUD5JD04 SCV setup panel seems to be experiencing unusual behavior in the warehouse. It is not functioning as it normally does, displaying strange actions that are out of the ordinary.

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#John Deere by Roslin on 2025-06-03 23:52
Can the John Deere RE551415 controller be repaired, or should it be replaced? I'm trying to get this fixed or replaced to check it off my to-do list. Thank you.

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#John Deere by RJ GARCIA on 2014-02-15 23:58
Hi there, we have a John Deere RE43902 7MRT2JD02 controller that stopped working and we need a replacement. Could you please provide us with the repair information for this part? We need a quick solution. Thank you!

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#John Deere by Suliman on 2015-03-09 12:13
Looking for repair for John Deere RE66265 digital tachometer. The unit is not displaying any readings and seems completely dead. Need assistance from a professional technician.

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#John Deere by Richard Byrd on 2013-04-30 03:05
I'm experiencing an issue with the SCV setup panel on my John Deere RE64583 7SUD5JD04. Something seems to have stopped working, and I'm not sure what the exact problem is. Any guidance or assistance would be greatly appreciated.

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#John Deere by ClainiMib on 2014-12-17 12:44
The SCV Setup panel on the John Deere RE64583 7SUD3JD01 is malfunctioning, causing delays in our production line. We need urgent repair services to address this issue and resume operations

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#John Deere by Larry G Roberts on 2015-08-01 10:20
The John Deere RE65483 7SUD5JD04 SCV Setup Panel is not working as reported by the shop personnel.

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#John Deere by TOO on 2013-07-01 14:47
The John Deere RE64583 SCV Setup panel unit is displaying unusual behavior. The panel is not functioning as expected and is acting strangely.

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#John Deere by TT on 2014-04-03 16:29
The John Deere RE43902 7MRT2JD02 Controller is malfunctioning, causing a halt in production. Urgent repair is needed to get the line running smoothly again.

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#John Deere by Stoil on 2010-09-04 01:47
I'm experiencing some issues with the John Deere Motorola RE64583. The digital display seems to have stopped working. I'm not entirely sure what the problem might be, but I wanted to bring it to your attention.

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#John Deere by VERAIN on 2015-07-27 22:20
The John Deere RE49192 7THM2JD03 tachometer is displaying inconsistent readings and is fluctuating erratically, making it difficult to accurately measure engine RPM. It may need to be inspected and possibly replaced to ensure proper functioning.

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#John Deere by TFI on 2015-03-16 06:25
Hello, we're in need of repair information for a John Deere AT320355 AT320694. It's a CAN Monitor Unit that stopped working. Can you please provide the details as soon as possible? Thank you.

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#John Deere by Md. Anwar hossain on 2011-11-23 17:43
Hi there, could you please provide repair information for a John Deere RE66821 7AT6JD01 Analog Tachometer? It's urgent. Thank you!

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#John Deere by Kanishka Weerathunge on 2015-04-23 21:05
John Deere RE65483 7SUD5JD04 showing error message "SCV Setup Panel Malfunction" - production halted.

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#John Deere by adesh on 2013-06-12 23:59
The SCV Setup panel on the John Deere RE64583 7SUD5JD04 is malfunctioning, impacting the production line. Urgent repair service is needed to resolve this issue

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#John Deere by Mcguinness on 2015-07-20 01:20
Can the John Deere RE64583 7SUD5JD04 SCV Setup Panel be repaired or bought to solve the issue you're having? I'm trying to check this off my to-do list. Thank you.

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#John Deere by Preston on 2015-09-30 01:00
The tach display on the John Deere RE46704 7AT2JD01 is not functioning when cold. This issue needs urgent attention to avoid disruptions to production. Please address the failing tach display

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#John Deere by VIJAY PATEL on 2015-07-23 11:43
The John Deere RE66265 7MRT8JDO1E Digital Tachometer is displaying abnormal behavior - it is not functioning as expected.

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#John Deere by Tj on 2015-07-21 11:20
The unit is described as SCV Setup Panel and it is not working as expected on the John Deere RE64583 7SUD5JD04.

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#John Deere by varghese on 2014-09-04 10:02
The John Deere RE64583 7SUD5JD04 motor control unit is not working.

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#John Deere by msuya on 2015-02-14 05:13
Can the John Deere RE64583 7SUD5JD04 SCV Setup Panel be repaired or purchased? I am trying to check this off my to-do list.

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#John Deere by Hopf on 2013-07-23 03:32
Please provide me with information on the availability of support or replacement parts for the John Deere RE64583 7SUD5JD04 SCV Setup panel. Thank you.

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#John Deere by Richard Gosche on 2015-08-05 23:20
Drive or board failure on John Deere RE66265 Digital Tachometer, need immediate maintenance. Heading to next machine, will troubleshoot further upon return.

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#John Deere by Stith on 2014-12-25 19:06
Experiencing issues with my John Deere RE43902 7MRT2JD02 controller unit. Need repairs or troubleshooting assistance.

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#John Deere by Bud Gibson on 2013-09-09 00:00
Experiencing malfunction with John Deere AH2244250 electronic control unit. Device not responding to commands or displaying error codes. Urgent repair needed.

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#John Deere by Geagea on 2015-07-26 04:20
Issue with John Deere RE46704 7AT2JD01 - Tach Display doesn't come on when cold. Likely a failed drive or board.

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