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,
give us a call at 1-336-969-0110.
We offer free estimates and extended warranties on the work performed.
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Industrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
Phone: 1-336-969-0110


Recent 327 Comments

#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 ARUMOY CHATTERJEE on 2011-04-07 15:48
John Deere RE66821 7AT6JD01 Analog Tachometer issue Drive or board failure. Requires immediate troubleshooting and replacement.

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#John Deere by Len Minor on 2013-04-10 20:34
John Deere Bale Trak Plus RE159944 board/drive failure on Bale Monitor. Needs immediate attention to restore functionality.

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#John Deere by AVELLANEDA on 2015-07-05 21:58
The John Deere RE49192 Tachometer is not working.

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#John Deere by Kendra on 2014-07-29 05:24
RE43902 7MRT2JD02 showing error code 2143 Controller malfunction. Governor signal not received.

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#John Deere by Enzo lezzi on 2020-02-08 00:00
Urgent Repair Needed for John Deere RE81075 ControllerHi, we are experiencing issues with our John Deere RE81075 - the controller is not responding and displaying error code E123. Equipment is currently down, affecting operations. Please advise on urgent repair action required. Thank you.—> …Purchase or Repair: Ticket Image...
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#John Deere by syarif hidayat on 2013-08-13 13:35
The John Deere Bale Trak Plus RE159944 is failing to display accurate bale counts and is not registering bale sizes correctly. This issue is affecting the production line efficiency and needs immediate attention to prevent further delays.

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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 Derek Baker on 2016-03-23 17:19
John Deere 120974T AT167497 Monitor is malfunctioning, impacting production line efficiency. Urgent repair needed to resume operations

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#John Deere by Fabrizio Colucci on 2011-03-02 03:55
John Deere RE66821 7AT6JD01 unit tachometer malfunctioned, needs repair ASAP.

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#John Deere by Michael Groll on 2025-06-03 19:00
I can definitely help you with that. I'll reach out to inquire about the support and availability of parts for the John Deere RE218346 controller.

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#John Deere by Mike Martinelli on 2014-12-25 11:06
John Deere RE43902 7MRT2JD02 is down. Issue with the controller. Check and fix during the day.

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#John Deere by donald messier on 2015-02-23 13:47
Equipment down due to John Deere RE65483 SCV Setup Panel issue. Error code 7SUD5JD04. Need immediate assistance to resolve.

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#John Deere by Mark W Griffin on 2013-02-19 03:27
Do you have a replacement John Deere RE64583 SCV Setup panel available for purchase or repair? Production has been interrupted, and we need to keep things running smoothly.

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#John Deere by Paris Mihai on 2015-01-01 03:54
I'm currently experiencing an issue with the SCV Setup Panel on my John Deere RE64583 7SUD5JD04 machine. It seems that this feature has stopped working and I'm unsure of what the exact problem is. Your assistance in diagnosing and fixing this issue would be greatly appreciated. —> …Purchase or Repair: Ticket Image...
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#John Deere by Robert Schmitt on 2013-12-30 19:27
Could you please provide some guidance and information regarding troubleshooting and repairing a John Deere RE64583 7SUD5JD04 SCV setup panel? My client is experiencing issues with it and requires assistance. Thank you for your support.

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#John Deere by Hemal Shah on 2016-06-17 18:28
The John Deere RE172237 7VMU0JD01 Vehicle Monitor is failing to display critical data, causing delays and disruptions in our production line. Immediate repair service is urgently needed to prevent further downtime.

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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 TINE on 2015-07-17 07:20
John Deere RE64583 7SUD5JD04 experienced downtime due to an issue with the SCV Setup Panel on . Need resolution before the next shift, appreciate a fast response.

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#John Deere by FARHAT on 2013-04-12 00:15
Hello, I am inquiring about the John Deere RE64583 7SUD5JD04 SCV Setup panel. Is this unit still supported, and are replacement parts available for it? Thank you.

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#John Deere by Fitim Cena on 2014-12-24 07:06
The John Deere RE64583 7SUD3JD01 is not functioning correctly. It relates to the SCV Setup panel, although I am unsure of its exact purpose as I am new to the role.

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#John Deere by Josip on 2015-08-08 08:20
The John Deere AT320355 AT320694 CAN Monitor Unit malfunctioned yesterday during the night shift, causing unexpected downtime. Can you quickly provide an update on what went wrong and when it started? It's important to address this before the next shift begins.

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#John Deere by Zac Cameron on 2014-12-20 19:44
Hello, I am interested in purchasing a John Deere RE64583 7SUD5JD04 motor control unit. I'm not entirely sure if this is the right model, but my team recommended asking you. Could you please provide information on pricing and availability? I'm aiming to source one quickly. Thank you. —> …Purchase or Repair: Ticket Image...
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#John Deere by Miguel Reyes on 2011-09-09 07:35
Please provide me with more information about the John Deere RE66821 7AT6JD01 Analog Tachometer. I need to know if it is still supported and if replacement parts are available. Thank you.

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#John Deere by Leonardo Jose Fueyo on 2015-07-30 01:20
Can you please assist in checking whether the John Deere AT320355 AT320694 CAN Monitor Unit is still supported or if replacement parts are available? It's an older unit, and we are unsure about its manufacturer. Thank you.

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#John Deere by bouzid on 2015-02-23 05:47
Equipment down due to faulty tachometer (John Deere RE49192 7THM2JD03). No display on screen, possible internal connection issue. Need urgent repair.

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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 Peter Winter on 2010-04-15 20:57
Our John Deere Motorola RE64583 digital display unit is still down. Please provide a response at your earliest convenience. Thank you.

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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 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 claudia on 2014-12-16 15:44
Please advise if the John Deere RE43902 7MRT2JD02 controller is still supported or if replacement parts are available for this unit. Thank you.

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#John Deere by REALI on 2015-08-06 21:20
The John Deere RE64583 7SUD3JD01 SCV Setup Panel is displaying abnormal behavior in the warehouse.

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#John Deere by doug dakin on 2013-01-11 20:25
I need more information in order to help you effectively.

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#John Deere by Pennington on 2015-07-09 18:21
Can the John Deere RE49192 Tachometer be repaired or purchased? I'm looking to check this off my to-do list.

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#John Deere by Eckmann on 2016-12-13 01:59
The John Deere RE172237 7VMU0JD01 Vehicle Monitor unit is not working.

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#John Deere by DARLENE CARTER on 2013-09-12 07:28
I need repair info for a John Deere RE64583 SCV Setup panel. Can you assist with this inquiry? Thank you.

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#John Deere by film on 2015-07-28 12:20
Unit RE46704 7AT2JD01 experienced downtime due to the Tach Display not coming on when cold. This issue occurred during the night shift and is currently affecting production. Please advise on a solution before the next shift starts.

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#John Deere by G K SEYMOUR on 2015-07-18 08:20
Can the John Deere RE64583 7SUD3JD01 SCV Setup Panel be repaired or bought? I'm trying to check this off my to-do list.

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#John Deere by chris siberas on 2009-08-20 00:00
I am having issues with my John Deere AH2244250 Electronic Control unit. It is not responding to inputs or displaying any data. Looking for a repair service as soon as possible.

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#John Deere by Dag on 2015-02-23 11:47
The John Deere RE46704 7AT2JD01 experienced downtime due to the tach display not turning on when cold. To address this issue

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#John Deere by Matt on 2013-08-18 17:32
Hello, I wanted to inquire about the pricing and availability of the John Deere Bale Trak Plus RE159944. I'm looking to source one quickly and would appreciate any assistance you can provide. Thank you.

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#John Deere by Al Schrock on 2013-08-13 10:35
Could you please confirm if the John Deere RE64583 7SUD5JD04 SCV setup panel is still supported and if replacement parts are available? Your

—> Purchase or Repair:
#John Deere by Eric Mildebrath on 2015-01-08 13:41
Hello, I am interested in purchasing the John Deere AT320355 AT320694 CAN Monitor Unit. Could you please provide information on pricing and availability? We are looking to source one quickly. Thank you.

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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 Chris Norwood on 2013-08-07 09:32
Hello, I hope this message finds you well. I am interested in purchasing the John Deere RE64583 7SUD5JD04 SCV Setup panel. Could you please provide information on pricing and availability? I am looking to source one quickly and would appreciate any assistance you can offer. Thank you. —> …Purchase or Repair: Ticket Image...
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#John Deere by Ron Geiser on 2013-08-15 10:32
Could you please confirm if the John Deere RE64583 7SUD5JD04 SCV Setup panel is still supported or if replacement parts are available for it? Thank you.

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#John Deere by Leo McCarthy on 2015-08-11 04:20
Drive or board failure in John Deere AT320355 AT320694 CAN Monitor Unit. Action needed ASAP.

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#John Deere by Cornia/Desert on 2016-06-02 03:22
Can the John Deere RE64583 7SUD5JD04 SCV Setup Panel be repaired or purchased? I'm looking to check this off my to-do list. Thank you.

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#John Deere by Wisnu R Maulana on 2015-03-10 05:13
Please provide an update on the status of my John Deere RE66265 7MRT8JDO1E Digital Tachometer. This issue needs

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#John Deere by TREJO on 2010-01-31 21:46
Do you have a John Deere Motorola RE64583 Digital Display available for sale or repair? The unit went down and production needs to keep running.

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