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AIC codes

John Deere AIC Fault Codes / AIC Error Codes

The Armrest Integrated Controller (AIC) plays a crucial role in centralizing the processing and integration of control signals within John Deere tractors. It effectively broadcasts signals across CAN Bus and LIN Bus systems, coordinating the tractor’s various systems. This component is essential, especially in tractors with the CommandARM™ control system, where it resides in the A012 control unit and forms an integral part of the cab control unit.

AIC software processes a broad range of inputs from devices such as:

Various positioned LIN Bus Modules (e.g., H, W, D, E, P, F, G, S, K)
Electro-hydraulic distributor control levers (E-SCV)
Speed control sensors
Front and rear PTO switches
Throttle and transmission control lever potentiometers

By ensuring precise signal processing and transmission, the AIC allows tractors to accurately respond to operator commands and manage load operations among other control functions. When it detects signal discrepancies or errors, the system logs specific AIC error codes to help diagnose and resolve system issues.

These error codes are vital for the maintenance and repair processes, allowing for the quick identification and resolution of issues related to the tractor’s electronic and hydraulic systems. By addressing every signal discrepancy or operational fault promptly, these codes help maintain optimal tractor performance and safety.

AIC 524096.04 – Low Voltage in Armrest Engine Speed Control Module. John Deere System Alert.
John Deere AIC codes
This error code AIC 524096.04 signals a low voltage issue in the armrest engine speed control module, specifically at the signal input from channel 1 of the potentiometer. The voltage measurement below 0.5 volts indicates potential issues with the signal…
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AIC 524096.03 – High Voltage in Armrest Engine Speed Control Module. John Deere System Notification.
John Deere AIC codes
This error code AIC 524096.03 identifies an issue with excessive voltage at the signal input of channel 1 of the potentiometer used in the armrest engine speed control module. The voltage reading above 4.5 volts suggests there might be a…
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AIC 524096.02 – Engine Speed Control Module Communication Fault. John Deere System Notification.
John Deere AIC codes
This error code AIC 524096.02 arises when there is a fault in the communication between the Armrest Interface Control software (AIC) and the engine speed control module, specifically regarding the LIN message received. The fault is characterized by a mismatch…
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AIC 524021.31 – Multiple Reverser Switches Conflict. John Deere System Alert.
John Deere AIC codes
This error code, AIC 524021.31, indicates a conflict arising from multiple failures in the reverser lever switches. This issue stems from receiving incorrect combinations of signals from more than two switches associated with the reverse drive lever, including but not…
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AIC 524020.31 – Transmission Not in PARK at Startup. John Deere Informational Alert.
John Deere AIC codes
This error code, AIC 524020.31, is triggered when the transmission of a vehicle equipped with AutoPowr™/IVT™ is not set to PARK at the time of power-up. The transmission was in a position for either forward or reverse travel during the…
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AIC 524019.31 – Right Hand Reverser Neutral/Not-Neutral Transition Delay. John Deere Informational Alert.
John Deere AIC codes
This error code AIC 524019.31 is generated when the right-hand reverser lever remains in transition between neutral and not-neutral positions for an extended period, exceeding five seconds. This situation is noted as informational and suggests that the lever was either…
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AIC 524017.31 – Reverse Drive Lever Supply Voltage Fault. John Deere System Alert.
John Deere AIC codes
This error code, AIC 524017.31, signifies a fault in the supply voltage or switch operation of the reverse drive lever system. The incorrect status detection of the neutral and/or reverse switches suggests potential issues either directly at the switches or…
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AIC 523954.11 – Mismatched Output Signals in Speed Control Lever Sensor Unit. John Deere System Advisory.
John Deere AIC codes
This error code AIC 523954.11 indicates a problem with the sensor unit of the speed control lever, specifically the speed wheel. There is a discrepancy between the output signals from channels 1 and 2, suggesting an incorrect combination of signals…
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AIC 523953.04 – Low Voltage in Speed Control Lever Sensor. John Deere System Notification.
John Deere AIC codes
This error code, AIC 523953.04, alerts to a low voltage condition in the speed control lever sensor circuit, relevant to systems such as AutoPowr™, IVT™, or CommandQuad™. The voltage detected is below the normal operational range, suggesting a potential short…
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AIC 523953.03 – High Voltage Detected in Speed Control Lever Sensor. John Deere System Alert.
John Deere AIC codes
The error code AIC 523953.03 points to an abnormally high voltage reading from the speed control lever sensor, specifically within systems like AutoPowr™, IVT™, or CommandQuad™. The sensor’s voltage exceeding 4.5 V suggests a possible short to a high voltage…
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AIC 523953.02 – Speed Control Lever Sensor Circuit Conflict. John Deere System Alert.
John Deere AIC codes
The error code AIC 523953.02 indicates a conflict between the voltage readings from channels 1 and 2 of the speed control lever sensor. This discrepancy points to an improper voltage ratio, which suggests there may be a malfunction in the…
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John Deere News & Innovations: Equipment, Technology, Solutions

AIC codes

John Deere AIC Fault Codes / AIC Error Codes

AIC software processes a broad range of inputs from devices such as:

AIC 524096.04 – Low Voltage in Armrest Engine Speed Control Module. John Deere System Alert.

AIC 524096.03 – High Voltage in Armrest Engine Speed Control Module. John Deere System Notification.

AIC 524096.02 – Engine Speed Control Module Communication Fault. John Deere System Notification.

AIC 524021.31 – Multiple Reverser Switches Conflict. John Deere System Alert.

AIC 524020.31 – Transmission Not in PARK at Startup. John Deere Informational Alert.

AIC 524019.31 – Right Hand Reverser Neutral/Not-Neutral Transition Delay. John Deere Informational Alert.

AIC 524017.31 – Reverse Drive Lever Supply Voltage Fault. John Deere System Alert.

AIC 523954.11 – Mismatched Output Signals in Speed Control Lever Sensor Unit. John Deere System Advisory.

AIC 523953.04 – Low Voltage in Speed Control Lever Sensor. John Deere System Notification.

AIC 523953.03 – High Voltage Detected in Speed Control Lever Sensor. John Deere System Alert.

AIC 523953.02 – Speed Control Lever Sensor Circuit Conflict. John Deere System Alert.

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