Error code BCU 001504.14 is an operator information alert generated when the HMS Plus (Headland Management System) function is active, but the Basic Control Unit (BCU) does not detect a valid operator presence signal for more than 30 seconds. This alert is intended to notify the operator that the presence detection system, which ensures the…
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John Deere error BCU codes
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John Deere error BCU codes
Error code BCU 001079.04 is triggered when the Basic Control Unit (BCU) of a John Deere vehicle detects abnormally low voltage (below 0.25 V) at the signal input of the draft sensor. This low voltage condition indicates a potential malfunction in the draft sensor circuit, possibly due to issues such as a broken wire, poor…
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John Deere error BCU codes
Error code BCU 001079.03 is recorded when the Basic Control Unit (BCU) of a John Deere vehicle detects an abnormally high voltage (above 4.75 V) at the signal input of the draft sensor. This condition suggests a malfunction within the draft sensor circuit, potentially due to issues such as an electrical short, incorrect wiring, or…
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John Deere error BCU codes
Error code BCU 001058.18 is triggered when the Basic Control Unit (BCU) of a John Deere vehicle identifies that the pressure switch for the air brake system has not been activated due to pressure being too low. This informational alert is generated following an incorrect entry at address BCU065, indicating potential issues with the system…
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John Deere error BCU codes
Error code BCU 000980.07 is initiated when the Basic Control Unit (BCU) of a John Deere vehicle detects an unrealistic value from the rear Power Take-Off (PTO) switch. This diagnostic trouble code suggests that the switch may be sending incorrect signals, potentially due to electrical faults, wear, or damage, which could misinform the control system…
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John Deere error BCU codes
Error code BCU 000746.31 is triggered when the Basic Control Unit (BCU) of a John Deere vehicle detects an open circuit in the differential lock solenoid valve. This fault indicates a disruption in the electrical path that activates the solenoid, which is crucial for engaging the differential lock. An open circuit can prevent the differential…
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John Deere error BCU codes
Error code BCU 000639.14 occurs when the Basic Control Unit (BCU) of a John Deere vehicle detects a very high error rate in the Controller Area Network (CAN) Bus messages or identifies severe issues with the general connectivity of the vehicle CAN Bus. This diagnostic trouble code points to significant communication disruptions that could be…
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John Deere error BCU codes
Error code BCU 000639.12 is triggered when the Basic Control Unit (BCU) of a John Deere vehicle detects a high error rate in the Controller Area Network (CAN) Bus messages or identifies a general connectivity problem with the vehicle CAN Bus. This diagnostic trouble code indicates issues such as signal interruptions, corrupted data transfers, or…
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John Deere error BCU codes
Error code BCU 000629.12 is triggered when the Basic Control Unit (BCU) of a John Deere vehicle internally detects a watchdog timeout. This condition occurs when an internal monitoring system, designed to ensure the processor does not hang or freeze, detects that too much time has elapsed without the necessary system checks being completed. This…
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John Deere error BCU codes
Error code BCU 000237.31 is activated when the Basic Control Unit (BCU) of a John Deere vehicle does not receive or incorrectly receives the Vehicle Identification Number (VIN) from other control units. This issue can arise due to communication errors, misconfiguration of electronic control units (ECUs), or faults in the data transmission system, leading to…
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John Deere error BCU codes
Error code BCU 000237.14 is triggered in John Deere vehicles when the VIN security function fails to activate due to an internal problem within the control unit. This typically indicates an issue with the reprogramming of the control unit, where the necessary VIN security protocols were not correctly enabled, potentially compromising the vehicle’s electronic security…